ALL: initialise -> initialize

121 files changed, 324 insertions, 324 deletions

diff --git a/audio/decoders/flac.cpp b/audio/decoders/flac.cpp
index b818d4f7e9..d06a7b9c0e 100644
--- a/audio/decoders/flac.cpp
+++ b/audio/decoders/flac.cpp
@@ -303,7 +303,7 @@ int FLACStream::readBuffer(int16 *buffer, const int numSamples) {
 	const uint numChannels = getChannels();
 
 	if (numChannels == 0) {
-		warning("FLACStream: Stream not successfully initialised, cant playback");
+		warning("FLACStream: Stream not successfully initialized, cant playback");
 		return -1; // streaminfo wasnt read!
 	}
 
diff --git a/audio/mods/tfmx.cpp b/audio/mods/tfmx.cpp
index afc7d3b40b..a89da78af1 100644
--- a/audio/mods/tfmx.cpp
+++ b/audio/mods/tfmx.cpp
@@ -332,7 +332,7 @@ void Tfmx::macroRun(ChannelContext &channel) {
 			channel.vibLength = macroPtr[1];
 			channel.vibCount = macroPtr[1] / 2;
 			channel.vibDelta = macroPtr[3];
-			// TODO: Perhaps a bug, vibValue could be left uninitialised
+			// TODO: Perhaps a bug, vibValue could be left uninitialized
 			if (!channel.portaDelta) {
 				channel.period = channel.refPeriod;
 				channel.vibValue = 0;
@@ -700,7 +700,7 @@ void Tfmx::noteCommand(const uint8 note, const uint8 param1, const uint8 param2,
 		channel.relVol = param2 >> 4;
 		channel.fineTune = (int8)param3;
 
-		// TODO: the point where the channel gets initialised varies with the games, needs more research.
+		// TODO: the point where the channel gets initialized varies with the games, needs more research.
 		initMacroProgramm(channel);
 		channel.keyUp = false; // key down = playing a Note
 
diff --git a/audio/softsynth/mt32.cpp b/audio/softsynth/mt32.cpp
index a9a612f410..27a5a629c4 100644
--- a/audio/softsynth/mt32.cpp
+++ b/audio/softsynth/mt32.cpp
@@ -63,7 +63,7 @@ protected:
 	void generateSamples(int16 *buf, int len);
 
 public:
-	bool _initialising;
+	bool _initializing;
 
 	MidiDriver_MT32(Audio::Mixer *mixer);
 	virtual ~MidiDriver_MT32();
@@ -215,7 +215,7 @@ static MT32Emu::File *MT32_OpenFile(void *userData, const char *filename, MT32Em
 }
 
 static void MT32_PrintDebug(void *userData, const char *fmt, va_list list) {
-	if (((MidiDriver_MT32 *)userData)->_initialising) {
+	if (((MidiDriver_MT32 *)userData)->_initializing) {
 		char buf[512];
 
 		vsnprintf(buf, 512, fmt, list);
@@ -239,7 +239,7 @@ static int MT32_Report(void *userData, MT32Emu::ReportType type, const void *rep
 		error("Failed to load MT32_PCM.ROM");
 		break;
 	case MT32Emu::ReportType_progressInit:
-		if (((MidiDriver_MT32 *)userData)->_initialising) {
+		if (((MidiDriver_MT32 *)userData)->_initializing) {
 			drawProgress(*((const float *)reportData));
 			return eatSystemEvents();
 		}
@@ -283,7 +283,7 @@ MidiDriver_MT32::MidiDriver_MT32(Audio::Mixer *mixer) : MidiDriver_Emulated(mixe
 	// at rates other than 32KHz, thus we produce data at 32KHz and
 	// rely on Mixer to convert.
 	_outputRate = 32000; //_mixer->getOutputRate();
-	_initialising = false;
+	_initializing = false;
 }
 
 MidiDriver_MT32::~MidiDriver_MT32() {
@@ -324,11 +324,11 @@ int MidiDriver_MT32::open() {
 		g_system->getPaletteManager()->setPalette(dummy_palette, 0, 3);
 	}
 
-	_initialising = true;
-	drawMessage(-1, _s("Initialising MT-32 Emulator"));
+	_initializing = true;
+	drawMessage(-1, _s("Initializing MT-32 Emulator"));
 	if (!_synth->open(prop))
 		return MERR_DEVICE_NOT_AVAILABLE;
-	_initialising = false;
+	_initializing = false;
 
 	if (screenFormat.bytesPerPixel > 1)
 		g_system->fillScreen(screenFormat.RGBToColor(0, 0, 0));
diff --git a/audio/softsynth/mt32/partial.cpp b/audio/softsynth/mt32/partial.cpp
index d06634dc91..c4f2e94ebe 100644
--- a/audio/softsynth/mt32/partial.cpp
+++ b/audio/softsynth/mt32/partial.cpp
@@ -164,7 +164,7 @@ void Partial::startPartial(dpoly *usePoly, const PatchCache *useCache, Partial *
 	structurePosition = patchCache->structurePosition;
 
 	play = true;
-	initKeyFollow(poly->freqnum); // Initialises noteVal, filtVal and realVal
+	initKeyFollow(poly->freqnum); // Initializes noteVal, filtVal and realVal
 #if MT32EMU_ACCURATENOTES == 0
 	noteLookup = &synth->tables.noteLookups[noteVal - LOWEST_NOTE];
 #else
diff --git a/audio/softsynth/mt32/synth.cpp b/audio/softsynth/mt32/synth.cpp
index 5e74b262ae..322b864b6e 100644
--- a/audio/softsynth/mt32/synth.cpp
+++ b/audio/softsynth/mt32/synth.cpp
@@ -426,36 +426,36 @@ bool Synth::open(SynthProperties &useProp) {
 		}
 	}
 
-	printDebug("Initialising Timbre Bank A");
+	printDebug("Initializing Timbre Bank A");
 	if (!initTimbres(controlROMMap->timbreAMap, controlROMMap->timbreAOffset, 0)) {
 		return false;
 	}
 
-	printDebug("Initialising Timbre Bank B");
+	printDebug("Initializing Timbre Bank B");
 	if (!initTimbres(controlROMMap->timbreBMap, controlROMMap->timbreBOffset, 64)) {
 		return false;
 	}
 
-	printDebug("Initialising Timbre Bank R");
+	printDebug("Initializing Timbre Bank R");
 	if (!initRhythmTimbres(controlROMMap->timbreRMap, controlROMMap->timbreRCount)) {
 		return false;
 	}
 
-	printDebug("Initialising Timbre Bank M");
-	// CM-64 seems to initialise all bytes in this bank to 0.
+	printDebug("Initializing Timbre Bank M");
+	// CM-64 seems to initialize all bytes in this bank to 0.
 	memset(&mt32ram.timbres[128], 0, sizeof (mt32ram.timbres[128]) * 64);
 
 	partialManager = new PartialManager(this);
 
 	pcmWaves = new PCMWaveEntry[controlROMMap->pcmCount];
 
-	printDebug("Initialising PCM List");
+	printDebug("Initializing PCM List");
 	initPCMList(controlROMMap->pcmTable, controlROMMap->pcmCount);
 
-	printDebug("Initialising Rhythm Temp");
+	printDebug("Initializing Rhythm Temp");
 	memcpy(mt32ram.rhythmSettings, &controlROMData[controlROMMap->rhythmSettings], controlROMMap->rhythmSettingsCount * 4);
 
-	printDebug("Initialising Patches");
+	printDebug("Initializing Patches");
 	for (Bit8u i = 0; i < 128; i++) {
 		PatchParam *patch = &mt32ram.patches[i];
 		patch->timbreGroup = i / 64;
@@ -468,9 +468,9 @@ bool Synth::open(SynthProperties &useProp) {
 		patch->dummy = 0;
 	}
 
-	printDebug("Initialising System");
+	printDebug("Initializing System");
 	// The MT-32 manual claims that "Standard pitch" is 442Hz.
-	mt32ram.system.masterTune = 0x40; // Confirmed on CM-64 as 0x4A, but SCUMM games use 0x40 and we don't want to initialise twice
+	mt32ram.system.masterTune = 0x40; // Confirmed on CM-64 as 0x4A, but SCUMM games use 0x40 and we don't want to initialize twice
 	mt32ram.system.reverbMode = 0; // Confirmed
 	mt32ram.system.reverbTime = 5; // Confirmed
 	mt32ram.system.reverbLevel = 3; // Confirmed
@@ -792,7 +792,7 @@ void Synth::writeSysex(unsigned char device, const Bit8u *sysex, Bit32u len) {
 	for (;;) {
 		// Find the appropriate memory region
 		int regionNum;
-		const MemoryRegion *region = NULL; // Initialised to please compiler
+		const MemoryRegion *region = NULL; // Initialized to please compiler
 		for (regionNum = 0; regionNum < NUM_REGIONS; regionNum++) {
 			region = &memoryRegions[regionNum];
 			if (region->contains(addr)) {
diff --git a/audio/softsynth/mt32/synth.h b/audio/softsynth/mt32/synth.h
index edda446287..0ef2c9d135 100644
--- a/audio/softsynth/mt32/synth.h
+++ b/audio/softsynth/mt32/synth.h
@@ -263,7 +263,7 @@ public:
 	Synth();
 	~Synth();
 
-	// Used to initialise the MT-32. Must be called before any other function.
+	// Used to initialize the MT-32. Must be called before any other function.
 	// Returns true if initialization was sucessful, otherwise returns false.
 	bool open(SynthProperties &useProp);
 
diff --git a/audio/softsynth/mt32/tables.cpp b/audio/softsynth/mt32/tables.cpp
index 25ee0436db..9fdb595467 100644
--- a/audio/softsynth/mt32/tables.cpp
+++ b/audio/softsynth/mt32/tables.cpp
@@ -203,7 +203,7 @@ void Tables::initEnvelopes(float samplerate) {
 
 void Tables::initMT32ConstantTables(Synth *synth) {
 	int lf;
-	synth->printDebug("Initialising Pitch Tables");
+	synth->printDebug("Initializing Pitch Tables");
 	for (lf = -108; lf <= 108; lf++) {
 		tvfKeyfollowMult[lf + 108] = (int)(256 * powf(2.0f, (float)(lf / 24.0f)));
 		//synth->printDebug("KT %d = %d", f, keytable[f+108]);
@@ -668,7 +668,7 @@ bool Tables::initNotes(Synth *synth, PCMWaveEntry *pcmWaves, float rate, float m
 	bool abort = false;
 	synth->report(ReportType_progressInit, &progress);
 	for (int f = LOWEST_NOTE; f <= HIGHEST_NOTE; f++) {
-		synth->printDebug("Initialising note %s%d", NoteNames[f % 12], (f / 12) - 2);
+		synth->printDebug("Initializing note %s%d", NoteNames[f % 12], (f / 12) - 2);
 		NoteLookup *noteLookup = &noteLookups[f - LOWEST_NOTE];
 		file = initNote(synth, noteLookup, (float)f, rate, masterTune, pcmWaves, file);
 		progress = (f - LOWEST_NOTE + 1) / (float)NUM_NOTES;
@@ -723,12 +723,12 @@ void Tables::freeNotes() {
 			}
 		}
 	}
-	initialisedMasterTune = 0.0f;
+	initializedMasterTune = 0.0f;
 }
 
 Tables::Tables() {
-	initialisedSampleRate = 0.0f;
-	initialisedMasterTune = 0.0f;
+	initializedSampleRate = 0.0f;
+	initializedMasterTune = 0.0f;
 	memset(&noteLookups, 0, sizeof(noteLookups));
 }
 
@@ -737,23 +737,23 @@ bool Tables::init(Synth *synth, PCMWaveEntry *pcmWaves, float sampleRate, float
 		synth->printDebug("Bad sampleRate (%f <= 0.0f)", (double)sampleRate);
 		return false;
 	}
-	if (initialisedSampleRate == 0.0f) {
+	if (initializedSampleRate == 0.0f) {
 		initMT32ConstantTables(synth);
 	}
-	if (initialisedSampleRate != sampleRate) {
+	if (initializedSampleRate != sampleRate) {
 		initFiltCoeff(sampleRate);
 		initEnvelopes(sampleRate);
 		for (int key = 12; key <= 108; key++) {
 			initDep(&keyLookups[key - 12], (float)key);
 		}
 	}
-	if (initialisedSampleRate != sampleRate || initialisedMasterTune != masterTune) {
+	if (initializedSampleRate != sampleRate || initializedMasterTune != masterTune) {
 		freeNotes();
 		if (!initNotes(synth, pcmWaves, sampleRate, masterTune)) {
 			return false;
 		}
-		initialisedSampleRate = sampleRate;
-		initialisedMasterTune = masterTune;
+		initializedSampleRate = sampleRate;
+		initializedMasterTune = masterTune;
 	}
 	return true;
 }
diff --git a/audio/softsynth/mt32/tables.h b/audio/softsynth/mt32/tables.h
index d9af5114b2..9950323e7b 100644
--- a/audio/softsynth/mt32/tables.h
+++ b/audio/softsynth/mt32/tables.h
@@ -69,8 +69,8 @@ struct KeyLookup {
 };
 
 class Tables {
-	float initialisedSampleRate;
-	float initialisedMasterTune;
+	float initializedSampleRate;
+	float initializedMasterTune;
 	void initMT32ConstantTables(Synth *synth);
 	static Bit16s clampWF(Synth *synth, const char *n, float ampVal, double input);
 	static File *initWave(Synth *synth, NoteLookup *noteLookup, float ampsize, float div2, File *file);
diff --git a/backends/audiocd/audiocd.h b/backends/audiocd/audiocd.h
index a4aeb41e74..92b7598cb5 100644
--- a/backends/audiocd/audiocd.h
+++ b/backends/audiocd/audiocd.h
@@ -108,7 +108,7 @@ public:
 	//@{
 
 	/**
-	 * Initialise the specified CD drive for audio playback.
+	 * Initialize the specified CD drive for audio playback.
 	 * @param drive the drive id
 	 * @return true if the CD drive was inited succesfully
 	 */
diff --git a/backends/midi/alsa.cpp b/backends/midi/alsa.cpp
index 9f1e48dc2b..c006b6b6bf 100644
--- a/backends/midi/alsa.cpp
+++ b/backends/midi/alsa.cpp
@@ -164,7 +164,7 @@ int MidiDriver_ALSA::open() {
 	}
 
 	printf("Connected to Alsa sequencer client [%d:%d]\n", seq_client, seq_port);
-	printf("ALSA client initialised [%d:0]\n", my_client);
+	printf("ALSA client initialized [%d:0]\n", my_client);
 
 	return 0;
 }
diff --git a/backends/platform/android/gfx.cpp b/backends/platform/android/gfx.cpp
index 62226eb8b1..89e918a34e 100644
--- a/backends/platform/android/gfx.cpp
+++ b/backends/platform/android/gfx.cpp
@@ -179,7 +179,7 @@ void OSystem_Android::initSurface() {
 
 	JNI::initSurface();
 
-	// Initialise OpenGLES context.
+	// Initialize OpenGLES context.
 	GLESTexture::initGLExtensions();
 
 	if (_game_texture)
diff --git a/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java b/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java
index c4de6d62f8..ef9f4cc1e0 100644
--- a/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java
+++ b/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java
@@ -260,7 +260,7 @@ public abstract class ScummVM implements SurfaceHolder.Callback, Runnable {
 
 		if (_audio_track.getState() != AudioTrack.STATE_INITIALIZED)
 			throw new Exception(
-				String.format("Error initialising AudioTrack: %d",
+				String.format("Error initializing AudioTrack: %d",
 								_audio_track.getState()));
 	}
 
diff --git a/backends/platform/dc/dc.h b/backends/platform/dc/dc.h
index 81f93a077e..e31b817d7c 100644
--- a/backends/platform/dc/dc.h
+++ b/backends/platform/dc/dc.h
@@ -53,7 +53,7 @@ class DCHardware {
 };
 
 class DCCDManager : public DefaultAudioCDManager {
-  // Initialise the specified CD drive for audio playback.
+  // Initialize the specified CD drive for audio playback.
   bool openCD(int drive);
 
   // Poll cdrom status
diff --git a/backends/platform/ds/arm9/source/fat/gba_nds_fat.c b/backends/platform/ds/arm9/source/fat/gba_nds_fat.c
index 698590418c..76508a1664 100644
--- a/backends/platform/ds/arm9/source/fat/gba_nds_fat.c
+++ b/backends/platform/ds/arm9/source/fat/gba_nds_fat.c
@@ -1010,7 +1010,7 @@ DIR_ENT FAT_GetDirEntry ( u32 dirCluster, int entry, int origin)
 	dir.name[0] = FILE_FREE; // default to no file found
 	dir.attrib = 0x00;
 
-	// Check if fat has been initialised
+	// Check if fat has been initialized
 	if (filesysBytePerSec == 0)
 	{
 		return (dir);
diff --git a/backends/platform/gp2x/gp2x.cpp b/backends/platform/gp2x/gp2x.cpp
index 4cdb4cd0d5..0e28a6b738 100644
--- a/backends/platform/gp2x/gp2x.cpp
+++ b/backends/platform/gp2x/gp2x.cpp
@@ -125,7 +125,7 @@ void OSystem_GP2X::initBackend() {
 
 	ConfMan.setBool("FM_low_quality", true);
 
-	/* Initialise any GP2X specific stuff we may want (Batt Status, scaler etc.) */
+	/* Initialize any GP2X specific stuff we may want (Batt Status, scaler etc.) */
 	GP2X_HW::deviceInit();
 
 	/* Set Default hardware mixer volume to a preset level (VOLUME_INITIAL). This is done to 'reset' volume level if set by other apps. */
diff --git a/backends/platform/gph/gph-backend.cpp b/backends/platform/gph/gph-backend.cpp
index 375ee37378..cb52da441d 100644
--- a/backends/platform/gph/gph-backend.cpp
+++ b/backends/platform/gph/gph-backend.cpp
@@ -141,7 +141,7 @@ void OSystem_GPH::initBackend() {
 		printf("%s\n", "Debug: STDOUT and STDERR redirected to text files.");
 	#endif /* DUMP_STDOUT */
 
-	/* Initialise any GP2X Wiz specific stuff we may want (Batt Status, scaler etc.) */
+	/* Initialize any GP2X Wiz specific stuff we may want (Batt Status, scaler etc.) */
 	WIZ_HW::deviceInit();
 
 	/* Set Default hardware mixer volume to a preset level (VOLUME_INITIAL). This is done to 'reset' volume level if set by other apps. */
diff --git a/backends/platform/wii/options.cpp b/backends/platform/wii/options.cpp
index ffabc5ae97..8c12ad9b81 100644
--- a/backends/platform/wii/options.cpp
+++ b/backends/platform/wii/options.cpp
@@ -175,15 +175,15 @@ void WiiOptionsDialog::handleTickle() {
 			break;
 
 		case -EBUSY:
-			label = _("Initialising network");
+			label = _("Initializing network");
 			break;
 
 		case -ETIMEDOUT:
-			label = _("Timeout while initialising network");
+			label = _("Timeout while initializing network");
 			break;
 
 		default:
-			label = String::format(_("Network not initialised (%d)"), status);
+			label = String::format(_("Network not initialized (%d)"), status);
 			break;
 		}
 
diff --git a/common/events.h b/common/events.h
index 11eb0c316e..371080c1b2 100644
--- a/common/events.h
+++ b/common/events.h
@@ -306,7 +306,7 @@ public:
 
 
 	/**
-	 * Initialise the event manager.
+	 * Initialize the event manager.
 	 * @note	called after graphics system has been set up
 	 */
 	virtual void init() {}
diff --git a/common/system.h b/common/system.h
index e02779fe47..b584739b77 100644
--- a/common/system.h
+++ b/common/system.h
@@ -1031,7 +1031,7 @@ public:
 };
 
 
-/** The global OSystem instance. Initialised in main(). */
+/** The global OSystem instance. Initialized in main(). */
 extern OSystem *g_system;
 
 #endif
diff --git a/common/unzip.cpp b/common/unzip.cpp
index f0590dcbfd..91f352f40a 100644
--- a/common/unzip.cpp
+++ b/common/unzip.cpp
@@ -349,7 +349,7 @@ typedef struct {
 	z_stream stream;            /* zLib stream structure for inflate */
 
 	uLong pos_in_zipfile;       /* position in byte on the zipfile, for fseek*/
-	uLong stream_initialised;   /* flag set if stream structure is initialised*/
+	uLong stream_initialized;   /* flag set if stream structure is initialized*/
 
 	uLong offset_local_extrafield;/* offset of the local extra field */
 	uInt  size_local_extrafield;/* size of the local extra field */
@@ -1073,7 +1073,7 @@ int unzOpenCurrentFile (unzFile file) {
 		return UNZ_INTERNALERROR;
 	}
 
-	pfile_in_zip_read_info->stream_initialised=0;
+	pfile_in_zip_read_info->stream_initialized=0;
 
 	if ((s->cur_file_info.compression_method!=0) &&
 	    (s->cur_file_info.compression_method!=Z_DEFLATED))
@@ -1096,7 +1096,7 @@ int unzOpenCurrentFile (unzFile file) {
 
 		err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
 		if (err == Z_OK)
-			pfile_in_zip_read_info->stream_initialised = 1;
+			pfile_in_zip_read_info->stream_initialized = 1;
 	/* windowBits is passed < 0 to tell that there is no zlib header.
 	 * Note that in this case inflate *requires* an extra "dummy" byte
 	 * after the compressed stream in order to complete decompression and
@@ -1365,7 +1365,7 @@ int unzCloseCurrentFile(unzFile file) {
 		if (pfile_in_zip_read_info->crc32_data != pfile_in_zip_read_info->crc32_wait)
 			err=UNZ_CRCERROR;
 	}
-	if (pfile_in_zip_read_info->stream_initialised)
+	if (pfile_in_zip_read_info->stream_initialized)
 		inflateEnd(&pfile_in_zip_read_info->stream);
 #endif
 
@@ -1373,7 +1373,7 @@ int unzCloseCurrentFile(unzFile file) {
 	free(pfile_in_zip_read_info->read_buffer);
 	pfile_in_zip_read_info->read_buffer = NULL;
 
-	pfile_in_zip_read_info->stream_initialised = 0;
+	pfile_in_zip_read_info->stream_initialized = 0;
 	free(pfile_in_zip_read_info);
 
 	s->pfile_in_zip_read=NULL;
diff --git a/devtools/create_hugo/create_hugo.h b/devtools/create_hugo/create_hugo.h
index 16d15fe317..e176dbb195 100644
--- a/devtools/create_hugo/create_hugo.h
+++ b/devtools/create_hugo/create_hugo.h
@@ -144,7 +144,7 @@ struct act1 {                                       // Type 1 - Start an object
 	cycle_t  cycle;                                 // Direction to start cycling
 };
 
-struct act2 {                                       // Type 2 - Initialise an object coords
+struct act2 {                                       // Type 2 - Initialize an object coords
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
@@ -168,21 +168,21 @@ struct act4 {                                       // Type 4 - Set new backgrou
 	long     newBkgColor;                           // New color
 };
 
-struct act5 {                                       // Type 5 - Initialise an object velocity
+struct act5 {                                       // Type 5 - Initialize an object velocity
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
 	int      vx, vy;                                // velocity
 };
 
-struct act6 {                                       // Type 6 - Initialise an object carrying
+struct act6 {                                       // Type 6 - Initialize an object carrying
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
 	bool     carriedFl;                             // carrying
 };
 
-struct act7 {                                       // Type 7 - Initialise an object to hero's coords
+struct act7 {                                       // Type 7 - Initialize an object to hero's coords
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
@@ -194,14 +194,14 @@ struct act8 {                                       // Type 8 - switch to new sc
 	int      screenIndex;                           // The new screen number
 };
 
-struct act9 {                                       // Type 9 - Initialise an object state
+struct act9 {                                       // Type 9 - Initialize an object state
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
 	byte     newState;                              // New state
 };
 
-struct act10 {                                      // Type 10 - Initialise an object path type
+struct act10 {                                      // Type 10 - Initialize an object path type
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
@@ -290,7 +290,7 @@ struct act21 {                                      // Type 21 - Gameover.  Disa
 	int      timer;                                 // Time to set off the action
 };
 
-struct act22 {                                      // Type 22 - Initialise an object to hero's coords
+struct act22 {                                      // Type 22 - Initialize an object to hero's coords
 	byte     actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objNumb;                               // The object number
diff --git a/devtools/create_hugo/enums.h b/devtools/create_hugo/enums.h
index 90cb1d54f3..f721c3d4f5 100644
--- a/devtools/create_hugo/enums.h
+++ b/devtools/create_hugo/enums.h
@@ -1376,7 +1376,7 @@ enum action_t {                                     // Parameters:
 	INIT_MAZE          = 30,                        // 30 - Start special maze hotspot processing
 	EXIT_MAZE          = 31,                        // 31 - Exit special maze processing
 	INIT_PRIORITY      = 32,                        // 32 - Initialize fbg field
-	INIT_SCREEN        = 33,                        // 33 - Initialise screen field of object
+	INIT_SCREEN        = 33,                        // 33 - Initialize screen field of object
 	AGSCHEDULE         = 34,                        // 34 - Global schedule - lasts over new screen
 	REMAPPAL           = 35,                        // 35 - Remappe palette - palette index, color
 	COND_NOUN          = 36,                        // 36 - Conditional on noun appearing in line
diff --git a/devtools/create_mads/parser.cpp b/devtools/create_mads/parser.cpp
index 2daaff0d33..0c6df43046 100644
--- a/devtools/create_mads/parser.cpp
+++ b/devtools/create_mads/parser.cpp
@@ -237,10 +237,10 @@ void close_source_file() {
 }
 
 /**
- * Initialises the scanner
+ * Initializes the scanner
  */
 void init_scanner(const char *name) {
-	// Initialise character table
+	// Initialize character table
 	for (int i = 0;   i < 256;  ++i) char_table[i] = SPECIAL;
 	for (int i = '0'; i <= '9'; ++i) char_table[i] = DIGIT;
 	for (int i = 'A'; i <= 'Z'; ++i) char_table[i] = LETTER;
@@ -265,7 +265,7 @@ void quit_scanner() {
 
 
 /**
- * Initialises the output
+ * Initializes the output
  */
 void init_output(const char *destFilename) {
 	dest_file = fopen(destFilename, "wb");
diff --git a/engines/agos/string_pn.cpp b/engines/agos/string_pn.cpp
index 9656eb469e..570fbc6200 100644
--- a/engines/agos/string_pn.cpp
+++ b/engines/agos/string_pn.cpp
@@ -131,7 +131,7 @@ void AGOSEngine_PN::pcf(uint8 ch) {
 	if (ch == 255) {
 		_bp = 0;
 		_xofs = 0;
-		return;		/* pcf(255) initialises the routine */
+		return;		/* pcf(255) initializes the routine */
 	}			/* pcf(254) flushes its working _buffer */
 	if (ch != 254) {
 		if ((ch != 32) || (_bp + _xofs != 50))
diff --git a/engines/cruise/cruise.cpp b/engines/cruise/cruise.cpp
index 1e0b7b1d7a..b57e0ab188 100644
--- a/engines/cruise/cruise.cpp
+++ b/engines/cruise/cruise.cpp
@@ -92,7 +92,7 @@ Common::Error CruiseEngine::run() {
 
 	mainLoop();
 
-	deinitialise();
+	deinitialize();
 
 	return Common::kNoError;
 }
@@ -118,7 +118,7 @@ void CruiseEngine::initialize() {
 	_vm->_polyStruct = NULL;
 }
 
-void CruiseEngine::deinitialise() {
+void CruiseEngine::deinitialize() {
 	_vm->_polyStructNorm.clear();
 	_vm->_polyStructExp.clear();
 
diff --git a/engines/cruise/cruise.h b/engines/cruise/cruise.h
index a9eb39c3f2..44e3f26d9d 100644
--- a/engines/cruise/cruise.h
+++ b/engines/cruise/cruise.h
@@ -69,7 +69,7 @@ private:
 	bool _speedFlag;
 
 	void initialize();
-	void deinitialise();
+	void deinitialize();
 	bool loadLanguageStrings();
 	bool makeLoad(char *saveName);
 	void mainLoop();
diff --git a/engines/draci/script.h b/engines/draci/script.h
index d788dfb66f..72d6f6c344 100644
--- a/engines/draci/script.h
+++ b/engines/draci/script.h
@@ -106,7 +106,7 @@ private:
 	int _jump;
 	bool _endProgram;
 
-	/** List of all GPL commands. Initialised in the constructor. */
+	/** List of all GPL commands. Initialized in the constructor. */
 	const GPL2Command *_commandList;
 	const GPL2Operator *_operatorList;
 	const GPL2Function *_functionList;
diff --git a/engines/hugo/hugo.cpp b/engines/hugo/hugo.cpp
index 7d35aec972..6a0eaac331 100644
--- a/engines/hugo/hugo.cpp
+++ b/engines/hugo/hugo.cpp
@@ -593,7 +593,7 @@ void HugoEngine::initialize() {
 	_scheduler->initEventQueue();                   // Init scheduler stuff
 	_screen->initDisplay();                         // Create Dibs and palette
 	_file->openDatabaseFiles();                     // Open database files
-	calcMaxScore();                                 // Initialise maxscore
+	calcMaxScore();                                 // Initialize maxscore
 
 	_rnd = new Common::RandomSource("hugo");
 	_rnd->setSeed(42);                              // Kick random number generator
diff --git a/engines/hugo/object_v1d.cpp b/engines/hugo/object_v1d.cpp
index 297a856203..ecdbb3b4c6 100644
--- a/engines/hugo/object_v1d.cpp
+++ b/engines/hugo/object_v1d.cpp
@@ -58,7 +58,7 @@ ObjectHandler_v1d::~ObjectHandler_v1d() {
 void ObjectHandler_v1d::updateImages() {
 	debugC(5, kDebugObject, "updateImages");
 
-	// Initialise the index array to visible objects in current screen
+	// Initialize the index array to visible objects in current screen
 	int  num_objs = 0;
 	byte objindex[kMaxObjNumb];                     // Array of indeces to objects
 
diff --git a/engines/hugo/object_v1w.cpp b/engines/hugo/object_v1w.cpp
index 098acdf367..11c09176e5 100644
--- a/engines/hugo/object_v1w.cpp
+++ b/engines/hugo/object_v1w.cpp
@@ -58,7 +58,7 @@ ObjectHandler_v1w::~ObjectHandler_v1w() {
 void ObjectHandler_v1w::updateImages() {
 	debugC(5, kDebugObject, "updateImages");
 
-	// Initialise the index array to visible objects in current screen
+	// Initialize the index array to visible objects in current screen
 	int  num_objs = 0;
 	byte objindex[kMaxObjNumb];                     // Array of indeces to objects
 
diff --git a/engines/hugo/object_v2d.cpp b/engines/hugo/object_v2d.cpp
index 3a98885ebe..c9e5104972 100644
--- a/engines/hugo/object_v2d.cpp
+++ b/engines/hugo/object_v2d.cpp
@@ -58,7 +58,7 @@ ObjectHandler_v2d::~ObjectHandler_v2d() {
 void ObjectHandler_v2d::updateImages() {
 	debugC(5, kDebugObject, "updateImages");
 
-	// Initialise the index array to visible objects in current screen
+	// Initialize the index array to visible objects in current screen
 	int  num_objs = 0;
 	byte objindex[kMaxObjNumb];                     // Array of indeces to objects
 
diff --git a/engines/hugo/schedule.cpp b/engines/hugo/schedule.cpp
index 7e66f34af2..a099bec21c 100644
--- a/engines/hugo/schedule.cpp
+++ b/engines/hugo/schedule.cpp
@@ -61,7 +61,7 @@ void Scheduler::initCypher() {
 }
 
 /**
- * Initialise the timer event queue
+ * Initialize the timer event queue
  */
 void Scheduler::initEventQueue() {
 	debugC(1, kDebugSchedule, "initEventQueue");
@@ -159,7 +159,7 @@ void Scheduler::processBonus(const int bonusIndex) {
  * 2. Set the new screen (in the hero object and any carried objects)
  * 3. Read in the screen files for the new screen
  * 4. Schedule action list for new screen
- * 5. Initialise prompt line and status line
+ * 5. Initialize prompt line and status line
  */
 void Scheduler::newScreen(const int screenIndex) {
 	debugC(1, kDebugSchedule, "newScreen(%d)", screenIndex);
@@ -193,7 +193,7 @@ void Scheduler::newScreen(const int screenIndex) {
 	// 4. Schedule action list for this screen
 	_vm->_scheduler->screenActions(screenIndex);
 
-	// 5. Initialise prompt line and status line
+	// 5. Initialize prompt line and status line
 	_vm->_screen->initNewScreenDisplay();
 }
 
@@ -201,7 +201,7 @@ void Scheduler::newScreen(const int screenIndex) {
  * Transition to a new screen as follows:
  * 1. Set the new screen (in the hero object and any carried objects)
  * 2. Read in the screen files for the new screen
- * 3. Initialise prompt line and status line
+ * 3. Initialize prompt line and status line
  */
 void Scheduler::restoreScreen(const int screenIndex) {
 	debugC(1, kDebugSchedule, "restoreScreen(%d)", screenIndex);
@@ -212,7 +212,7 @@ void Scheduler::restoreScreen(const int screenIndex) {
 	// 2. Read in new screen files
 	_vm->readScreenFiles(screenIndex);
 
-	// 3. Initialise prompt line and status line
+	// 3. Initialize prompt line and status line
 	_vm->_screen->initNewScreenDisplay();
 }
 
@@ -1135,7 +1135,7 @@ void Scheduler::restoreEvents(Common::ReadStream *f) {
 void Scheduler::insertAction(act *action) {
 	debugC(1, kDebugSchedule, "insertAction() - Action type A%d", action->a0.actType);
 
-	// First, get and initialise the event structure
+	// First, get and initialize the event structure
 	event_t *curEvent = getQueue();
 	curEvent->action = action;
 	switch (action->a0.actType) {                   // Assign whether local or global
@@ -1208,7 +1208,7 @@ event_t *Scheduler::doAction(event_t *curEvent) {
 		_vm->_object->_objects[action->a1.objIndex].cycleNumb = action->a1.cycleNumb;
 		_vm->_object->_objects[action->a1.objIndex].cycling = action->a1.cycle;
 		break;
-	case INIT_OBJXY:                                // act2: Initialise an object
+	case INIT_OBJXY:                                // act2: Initialize an object
 		_vm->_object->_objects[action->a2.objIndex].x = action->a2.x;          // Coordinates
 		_vm->_object->_objects[action->a2.objIndex].y = action->a2.y;
 		break;
@@ -1218,13 +1218,13 @@ event_t *Scheduler::doAction(event_t *curEvent) {
 	case BKGD_COLOR:                                // act4: Set new background color
 		_vm->_screen->setBackgroundColor(action->a4.newBackgroundColor);
 		break;
-	case INIT_OBJVXY:                               // act5: Initialise an object velocity
+	case INIT_OBJVXY:                               // act5: Initialize an object velocity
 		_vm->_object->setVelocity(action->a5.objIndex, action->a5.vx, action->a5.vy);
 		break;
-	case INIT_CARRY:                                // act6: Initialise an object
+	case INIT_CARRY:                                // act6: Initialize an object
 		_vm->_object->setCarry(action->a6.objIndex, action->a6.carriedFl);  // carried status
 		break;
-	case INIT_HF_COORD:                             // act7: Initialise an object to hero's "feet" coords
+	case INIT_HF_COORD:                             // act7: Initialize an object to hero's "feet" coords
 		_vm->_object->_objects[action->a7.objIndex].x = _vm->_hero->x - 1;
 		_vm->_object->_objects[action->a7.objIndex].y = _vm->_hero->y + _vm->_hero->currImagePtr->y2 - 1;
 		_vm->_object->_objects[action->a7.objIndex].screenIndex = *_vm->_screen_p;  // Don't forget screen!
@@ -1232,10 +1232,10 @@ event_t *Scheduler::doAction(event_t *curEvent) {
 	case NEW_SCREEN:                                // act8: Start new screen
 		newScreen(action->a8.screenIndex);
 		break;
-	case INIT_OBJSTATE:                             // act9: Initialise an object state
+	case INIT_OBJSTATE:                             // act9: Initialize an object state
 		_vm->_object->_objects[action->a9.objIndex].state = action->a9.newState;
 		break;
-	case INIT_PATH:                                 // act10: Initialise an object path and velocity
+	case INIT_PATH:                                 // act10: Initialize an object path and velocity
 		_vm->_object->setPath(action->a10.objIndex, (path_t) action->a10.newPathType, action->a10.vxPath, action->a10.vyPath);
 		break;
 	case COND_R:                                    // act11: action lists conditional on object state
@@ -1284,7 +1284,7 @@ event_t *Scheduler::doAction(event_t *curEvent) {
 		// any objects are to be made invisible!
 		gameStatus.gameOverFl = true;
 		break;
-	case INIT_HH_COORD:                             // act22: Initialise an object to hero's actual coords
+	case INIT_HH_COORD:                             // act22: Initialize an object to hero's actual coords
 		_vm->_object->_objects[action->a22.objIndex].x = _vm->_hero->x;
 		_vm->_object->_objects[action->a22.objIndex].y = _vm->_hero->y;
 		_vm->_object->_objects[action->a22.objIndex].screenIndex = *_vm->_screen_p;// Don't forget screen!
diff --git a/engines/hugo/schedule.h b/engines/hugo/schedule.h
index 003974f2fa..e3107809cf 100644
--- a/engines/hugo/schedule.h
+++ b/engines/hugo/schedule.h
@@ -73,7 +73,7 @@ enum action_t {                                     // Parameters:
 	INIT_MAZE,                                      // 30 - Start special maze hotspot processing
 	EXIT_MAZE,                                      // 31 - Exit special maze processing
 	INIT_PRIORITY,                                  // 32 - Initialize fbg field
-	INIT_SCREEN,                                    // 33 - Initialise screen field of object
+	INIT_SCREEN,                                    // 33 - Initialize screen field of object
 	AGSCHEDULE,                                     // 34 - Global schedule - lasts over new screen
 	REMAPPAL,                                       // 35 - Remappe palette - palette index, color
 	COND_NOUN,                                      // 36 - Conditional on noun appearing in line
@@ -106,7 +106,7 @@ struct act1 {                                       // Type 1 - Start an object
 	cycle_t  cycle;                                 // Direction to start cycling
 };
 
-struct act2 {                                       // Type 2 - Initialise an object coords
+struct act2 {                                       // Type 2 - Initialize an object coords
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
@@ -129,21 +129,21 @@ struct act4 {                                       // Type 4 - Set new backgrou
 	long     newBackgroundColor;                    // New color
 };
 
-struct act5 {                                       // Type 5 - Initialise an object velocity
+struct act5 {                                       // Type 5 - Initialize an object velocity
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
 	int      vx, vy;                                // velocity
 };
 
-struct act6 {                                       // Type 6 - Initialise an object carrying
+struct act6 {                                       // Type 6 - Initialize an object carrying
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
 	bool     carriedFl;                             // carrying
 };
 
-struct act7 {                                       // Type 7 - Initialise an object to hero's coords
+struct act7 {                                       // Type 7 - Initialize an object to hero's coords
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
@@ -155,14 +155,14 @@ struct act8 {                                       // Type 8 - switch to new sc
 	int      screenIndex;                           // The new screen number
 };
 
-struct act9 {                                       // Type 9 - Initialise an object state
+struct act9 {                                       // Type 9 - Initialize an object state
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
 	byte     newState;                              // New state
 };
 
-struct act10 {                                      // Type 10 - Initialise an object path type
+struct act10 {                                      // Type 10 - Initialize an object path type
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
@@ -251,7 +251,7 @@ struct act21 {                                      // Type 21 - Gameover.  Disa
 	int      timer;                                 // Time to set off the action
 };
 
-struct act22 {                                      // Type 22 - Initialise an object to hero's coords
+struct act22 {                                      // Type 22 - Initialize an object to hero's coords
 	action_t actType;                               // The type of action
 	int      timer;                                 // Time to set off the action
 	int      objIndex;                              // The object number
diff --git a/engines/kyra/sound_adlib.cpp b/engines/kyra/sound_adlib.cpp
index 6ca01c65f3..75041b8161 100644
--- a/engines/kyra/sound_adlib.cpp
+++ b/engines/kyra/sound_adlib.cpp
@@ -1558,7 +1558,7 @@ int AdLibDriver::update_changeExtraLevel2(uint8 *&dataptr, Channel &channel, uin
 	return 0;
 }
 
-// Apart from initialising to zero, these two functions are the only ones that
+// Apart from initializing to zero, these two functions are the only ones that
 // modify _vibratoAndAMDepthBits.
 
 int AdLibDriver::update_setAMDepth(uint8 *&dataptr, Channel &channel, uint8 value) {
diff --git a/engines/lure/lure.cpp b/engines/lure/lure.cpp
index c6be5c48fe..3217cf039d 100644
--- a/engines/lure/lure.cpp
+++ b/engines/lure/lure.cpp
@@ -51,7 +51,7 @@ LureEngine::LureEngine(OSystem *system, const LureGameDescription *gameDesc)
 
 Common::Error LureEngine::init() {
 	int_engine = this;
-	_initialised = false;
+	_initialized = false;
 	_saveLoadAllowed = false;
 
 	initGraphics(FULL_SCREEN_WIDTH, FULL_SCREEN_HEIGHT, false);
@@ -85,12 +85,12 @@ Common::Error LureEngine::init() {
 	_mouse = new Mouse();
 	_events = new Events();
 	_menu = new Menu();
-	Surface::initialise();
+	Surface::initialize();
 	_room = new Room();
 	_fights = new FightsManager();
 
 	_gameToLoad = -1;
-	_initialised = true;
+	_initialized = true;
 
 	// Setup mixer
 	syncSoundSettings();
@@ -102,9 +102,9 @@ LureEngine::~LureEngine() {
 	// Remove all of our debug levels here
 	DebugMan.clearAllDebugChannels();
 
-	if (_initialised) {
-		// Delete and deinitialise subsystems
-		Surface::deinitialise();
+	if (_initialized) {
+		// Delete and deinitialize subsystems
+		Surface::deinitialize();
 		Sound.destroy();
 		delete _fights;
 		delete _room;
diff --git a/engines/lure/lure.h b/engines/lure/lure.h
index 53fdb8c713..7a67c8b855 100644
--- a/engines/lure/lure.h
+++ b/engines/lure/lure.h
@@ -65,7 +65,7 @@ struct LureGameDescription;
 
 class LureEngine : public Engine {
 private:
-	bool _initialised;
+	bool _initialized;
 	int _gameToLoad;
 	uint8 _saveVersion;
 	Disk *_disk;
diff --git a/engines/lure/res.cpp b/engines/lure/res.cpp
index 31c4efa2aa..fbf9f33b87 100644
--- a/engines/lure/res.cpp
+++ b/engines/lure/res.cpp
@@ -345,7 +345,7 @@ void Resources::reloadData() {
 	}
 	delete mb;
 
-	// Initialise delay list
+	// Initialize delay list
 	_delayList.clear(true);
 
 	// Load miscellaneous data
diff --git a/engines/lure/res_struct.cpp b/engines/lure/res_struct.cpp
index 0d9d75b00b..222f55b5dc 100644
--- a/engines/lure/res_struct.cpp
+++ b/engines/lure/res_struct.cpp
@@ -415,7 +415,7 @@ HotspotData::HotspotData(HotspotResource *rec) {
 	flags2 = READ_LE_UINT16(&rec->flags2);
 	headerFlags = READ_LE_UINT16(&rec->hdrFlags);
 
-	// Initialise runtime fields
+	// Initialize runtime fields
 	actionCtr = 0;
 	blockedState = BS_NONE;
 	blockedFlag = false;
diff --git a/engines/lure/sound.h b/engines/lure/sound.h
index 58b4a68966..9fa9a91260 100644
--- a/engines/lure/sound.h
+++ b/engines/lure/sound.h
@@ -153,7 +153,7 @@ public:
 	uint sfxVolume() const { return _sfxVolume; }
 
 	// The following methods implement the external sound player module
-	void musicInterface_Initialise();
+	void musicInterface_Initialize();
 	void musicInterface_Play(uint8 soundNumber, uint8 channelNumber, uint8 numChannels = 4);
 	void musicInterface_Stop(uint8 soundNumber);
 	bool musicInterface_CheckPlaying(uint8 soundNumber);
diff --git a/engines/lure/surface.cpp b/engines/lure/surface.cpp
index 106b62b7a4..bfada8fde6 100644
--- a/engines/lure/surface.cpp
+++ b/engines/lure/surface.cpp
@@ -33,8 +33,8 @@
 
 namespace Lure {
 
-// These variables hold resources commonly used by the Surfaces, and must be initialised and freed
-// by the static Surface methods initialise and deinitailse
+// These variables hold resources commonly used by the Surfaces, and must be initialized and freed
+// by the static Surface methods initialize and deinitailse
 
 static MemoryBlock *int_font = NULL;
 static MemoryBlock *int_dialog_frame = NULL;
@@ -45,7 +45,7 @@ static const byte char8A[8] = {0x40, 0x20, 0x00, 0x90, 0x90, 0x90, 0x68, 0x00};
 static const byte char8D[8] = {0x80, 0x40, 0x00, 0xc0, 0x40, 0x40, 0x60, 0x00}; // accented `i
 static const byte char95[8] = {0x40, 0x20, 0x00, 0x60, 0x90, 0x90, 0x60, 0x00}; // accented `o
 
-void Surface::initialise() {
+void Surface::initialize() {
 	Disk &disk = Disk::getReference();
 	int_font = disk.getEntry(FONT_RESOURCE_ID);
 	int_dialog_frame = disk.getEntry(DIALOG_RESOURCE_ID);
@@ -80,7 +80,7 @@ void Surface::initialise() {
 	}
 }
 
-void Surface::deinitialise() {
+void Surface::deinitialize() {
 	delete int_font;
 	delete int_dialog_frame;
 }
diff --git a/engines/lure/surface.h b/engines/lure/surface.h
index 56af37c049..d56e37632b 100644
--- a/engines/lure/surface.h
+++ b/engines/lure/surface.h
@@ -49,8 +49,8 @@ public:
 	static void getDialogBounds(Common::Point &size, int charWidth, int numLines,
 		bool squashedLines = true);
 
-	static void initialise();
-	static void deinitialise();
+	static void initialize();
+	static void deinitialize();
 
 	uint16 width() { return _width; }
 	uint16 height() { return _height; }
diff --git a/engines/m4/animation.cpp b/engines/m4/animation.cpp
index c89f74bd0a..39a3f175cd 100644
--- a/engines/m4/animation.cpp
+++ b/engines/m4/animation.cpp
@@ -61,9 +61,9 @@ MadsAnimation::~MadsAnimation() {
 #define FILENAME_SIZE 13
 
 /**
- * Initialises and loads the data of an animation
+ * Initializes and loads the data of an animation
  */
-void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) {
+void MadsAnimation::initialize(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) {
 	MadsPack anim(filename.c_str(), _vm);
 	bool madsRes = filename[0] == '*';
 	char buffer[20];
@@ -131,7 +131,7 @@ void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4S
 	if (flags & 0x100)
 		loadInterface(surface, depthSurface);
 
-	// Initialise the reference list
+	// Initialize the reference list
 	for (int i = 0; i < spriteListCount; ++i)
 		_spriteListIndexes.push_back(-1);
 
@@ -266,7 +266,7 @@ void MadsAnimation::initialise(const Common::String &filename, uint16 flags, M4S
  * Loads an animation file for display
  */
 void MadsAnimation::load(const Common::String &filename, int abortTimers) {
-	initialise(filename, 0, NULL, NULL);
+	initialize(filename, 0, NULL, NULL);
 	_messageCtr = 0;
 	_skipLoad = true;
 
@@ -279,7 +279,7 @@ void MadsAnimation::load(const Common::String &filename, int abortTimers) {
 	}
 */
 
-	// Initialise miscellaneous fields
+	// Initialize miscellaneous fields
 	_currentFrame = 0;
 	_oldFrameEntry = 0;
 	_nextFrameTimer = _madsVm->_currentTimer;
@@ -289,7 +289,7 @@ void MadsAnimation::load(const Common::String &filename, int abortTimers) {
 	if (_madsVm->_scene)
 		_actionNouns = _madsVm->scene()->_action._action;
 
-	// Initialise kernel message list
+	// Initialize kernel message list
 	for (uint i = 0; i < _messages.size(); ++i)
 		_messages[i].kernelMsgIndex = -1;
 }
diff --git a/engines/m4/animation.h b/engines/m4/animation.h
index ed6f49786d..68a2883241 100644
--- a/engines/m4/animation.h
+++ b/engines/m4/animation.h
@@ -111,7 +111,7 @@ public:
 	MadsAnimation(MadsM4Engine *vm, MadsView *view);
 	virtual ~MadsAnimation();
 
-	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface);
+	virtual void initialize(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface);
 	virtual void load(const Common::String &filename, int abortTimers);
 	virtual void update();
 	virtual void setCurrentFrame(int frameNumber);
diff --git a/engines/m4/compression.cpp b/engines/m4/compression.cpp
index 4ec9fae32f..65a25c14e3 100644
--- a/engines/m4/compression.cpp
+++ b/engines/m4/compression.cpp
@@ -44,16 +44,16 @@ bool MadsPack::isCompressed(Common::SeekableReadStream *stream) {
 }
 
 MadsPack::MadsPack(Common::SeekableReadStream *stream) {
-	initialise(stream);
+	initialize(stream);
 }
 
 MadsPack::MadsPack(const char *resourceName, MadsM4Engine* vm) {
 	Common::SeekableReadStream *stream = vm->_resourceManager->get(resourceName);
-	initialise(stream);
+	initialize(stream);
 	vm->_resourceManager->toss(resourceName);
 }
 
-void MadsPack::initialise(Common::SeekableReadStream *stream) {
+void MadsPack::initialize(Common::SeekableReadStream *stream) {
 	if (!MadsPack::isCompressed(stream))
 		error("Attempted to decompress a resource that was not MadsPacked");
 
@@ -121,7 +121,7 @@ void FabDecompressor::decompress(const byte *srcData, int srcSize, byte *destDat
 	copyOfs = 0xFFFF0000;
 	destP = destData;
 
-	// Initialise data fields
+	// Initialize data fields
 	_srcData = srcData;
 	_srcP = _srcData + 6;
 	_srcSize = srcSize;
diff --git a/engines/m4/compression.h b/engines/m4/compression.h
index a24a41da3c..cb0ef74eb7 100644
--- a/engines/m4/compression.h
+++ b/engines/m4/compression.h
@@ -45,7 +45,7 @@ private:
 	int _count;
 	int _dataOffset;
 
-	void initialise(Common::SeekableReadStream *stream);
+	void initialize(Common::SeekableReadStream *stream);
 public:
 	static bool isCompressed(Common::SeekableReadStream *stream);
 	MadsPack(Common::SeekableReadStream *stream);
diff --git a/engines/m4/gui.h b/engines/m4/gui.h
index 99b44a3af7..2b673d624c 100644
--- a/engines/m4/gui.h
+++ b/engines/m4/gui.h
@@ -443,7 +443,7 @@ public:
 	GameInterfaceView(MadsM4Engine *vm, const Common::Rect &rect): View(vm, rect) {}
 	~GameInterfaceView() {}
 
-	virtual void initialise() {}
+	virtual void initialize() {}
 	virtual void setSelectedObject(int objectNumber) {}
 	virtual void addObjectToInventory(int objectNumber) {}
 };
diff --git a/engines/m4/m4.cpp b/engines/m4/m4.cpp
index d456accca1..93f5ab4cba 100644
--- a/engines/m4/m4.cpp
+++ b/engines/m4/m4.cpp
@@ -530,7 +530,7 @@ Common::Error MadsEngine::run() {
 	//debugCN(kDebugCore, "%s\n----------\n", _globals->loadMessage(i));
 
 	if (getGameType() == GType_RexNebular) {
-		MadsGameLogic::initialiseGlobals();
+		MadsGameLogic::initializeGlobals();
 
 		_scene = NULL;
 		loadMenu(MAIN_MENU);
diff --git a/engines/m4/m4.h b/engines/m4/m4.h
index 4c9b100117..18c3936db8 100644
--- a/engines/m4/m4.h
+++ b/engines/m4/m4.h
@@ -223,7 +223,7 @@ public:
 	void startScene(int sceneNum) {
 		if (!_scene) {
 			_scene = new MadsScene(this);
-			((MadsScene *)_scene)->initialise();
+			((MadsScene *)_scene)->initialize();
 		}
 		_scene->show();
 		_scene->loadScene(101);
diff --git a/engines/m4/mads_anim.cpp b/engines/m4/mads_anim.cpp
index dc2758bedc..d35b31943a 100644
--- a/engines/m4/mads_anim.cpp
+++ b/engines/m4/mads_anim.cpp
@@ -603,7 +603,7 @@ static bool tempFlag = true;//****DEBUG - Temporarily allow me to skip several i
 		flags |= 0x100;
 
 	_activeAnimation = new MadsAnimation(_vm, this);
-	_activeAnimation->initialise(_currentLine, flags, &_backgroundSurface, &_codeSurface);
+	_activeAnimation->initialize(_currentLine, flags, &_backgroundSurface, &_codeSurface);
 
 	if (_startFrame != -1)
 		_activeAnimation->setCurrentFrame(_startFrame);
diff --git a/engines/m4/mads_logic.cpp b/engines/m4/mads_logic.cpp
index a28d38080b..a73e943f4f 100644
--- a/engines/m4/mads_logic.cpp
+++ b/engines/m4/mads_logic.cpp
@@ -31,7 +31,7 @@
 
 namespace M4 {
 
-void MadsGameLogic::initialiseGlobals() {
+void MadsGameLogic::initializeGlobals() {
 	// Clear the entire globals list
 	Common::set_to(&_madsVm->globals()->_globals[0], &_madsVm->globals()->_globals[TOTAL_NUM_VARIABLES], 0);
 
@@ -170,7 +170,7 @@ const char *MadsSceneLogic::_opcodeStrings[] = {
  * convert game specific offsets for various fields in the original game's data segment into a generic data index
  * that will be common across all the MADS games
 
-void MadsSceneLogic::initialiseDataMap() {
+void MadsSceneLogic::initializeDataMap() {
 	// The unique order of these items must be maintained
 }
 */
@@ -382,7 +382,7 @@ void MadsSceneLogic::getPlayerSpritesPrefix2() {
 /**
  * Loads the MADS.DAT file and loads the script data for the correct game/language
  */
-void MadsSceneLogic::initialiseScripts() {
+void MadsSceneLogic::initializeScripts() {
 	Common::File f;
 	if (!f.open("mads.dat")) {
 		warning("Could not locate mads.dat file");
diff --git a/engines/m4/mads_logic.h b/engines/m4/mads_logic.h
index 016adb2ebf..3132094252 100644
--- a/engines/m4/mads_logic.h
+++ b/engines/m4/mads_logic.h
@@ -92,7 +92,7 @@ public:
 	MadsSceneLogic() { _scriptsData = NULL; }
 	~MadsSceneLogic() { delete _scriptsData; }
 
-	void initialiseScripts();
+	void initializeScripts();
 	void selectScene(int sceneNum);
 
 	void setupScene();
@@ -109,7 +109,7 @@ public:
 
 class MadsGameLogic {
 public:
-	static void initialiseGlobals();
+	static void initializeGlobals();
 };
 
 }
diff --git a/engines/m4/mads_menus.cpp b/engines/m4/mads_menus.cpp
index a6e2b77253..fa65329d76 100644
--- a/engines/m4/mads_menus.cpp
+++ b/engines/m4/mads_menus.cpp
@@ -596,18 +596,18 @@ RexDialogView::RexDialogView(): View(_madsVm, Common::Rect(0, 0, _madsVm->_scree
 		MadsView(this) {
 	_screenType = VIEWID_MENU;
 
-	// Initialise class variables
+	// Initialize class variables
 	_priorSceneId = _madsVm->_scene->getCurrentScene();
 	_dialogType = DIALOG_NONE;
 
 	// Load necessary quotes
 	_madsVm->globals()->loadQuoteRange(1, 48);
 
-	initialiseLines();
-	initialiseGraphics();
+	initializeLines();
+	initializeGraphics();
 }
 
-void RexDialogView::initialiseLines() {
+void RexDialogView::initializeLines() {
 	// Set up a list of blank entries for use in the various dialogs
 	for (int i = 0; i < DIALOG_LINES_SIZE; ++i) {
 		DialogTextEntry rec;
@@ -622,7 +622,7 @@ void RexDialogView::initialiseLines() {
 	_spriteSlots[0].seqIndex = -1;
 }
 
-void RexDialogView::initialiseGraphics() {
+void RexDialogView::initializeGraphics() {
 	// Set needed palette entries
 	_madsVm->_palette->blockRange(0, 16);
 	_madsVm->_palette->setEntry(10, 0, 255, 0);
diff --git a/engines/m4/mads_menus.h b/engines/m4/mads_menus.h
index 766767dc84..4d3ea5da39 100644
--- a/engines/m4/mads_menus.h
+++ b/engines/m4/mads_menus.h
@@ -117,8 +117,8 @@ class RexDialogView : public View, public MadsView {
 private:
 	int _priorSceneId;
 
-	void initialiseLines();
-	void initialiseGraphics();
+	void initializeLines();
+	void initializeGraphics();
 	void loadBackground();
 	void loadMenuSprites();
 protected:
diff --git a/engines/m4/mads_scene.cpp b/engines/m4/mads_scene.cpp
index b305242bbb..1a44c49f00 100644
--- a/engines/m4/mads_scene.cpp
+++ b/engines/m4/mads_scene.cpp
@@ -94,12 +94,12 @@ void MadsScene::loadScene2(const char *aaName, int sceneNumber) {
 	// Load scene walk paths
 	loadSceneCodes(_currentScene);
 
-	// Initialise the scene animation
+	// Initialize the scene animation
 	uint16 flags = 0x4100;
 	if (_madsVm->globals()->_config.textWindowStill)
 		flags |= 0x200;
 
-	_sceneAnimation->initialise(aaName, flags, _interfaceSurface, NULL);
+	_sceneAnimation->initialize(aaName, flags, _interfaceSurface, NULL);
 }
 
 /**
@@ -113,7 +113,7 @@ void MadsScene::loadSceneTemporary() {
 		{0x00<<2, 0x10<<2, 0x16<<2}};
 	_vm->_palette->setPalette(&sysColors[0], 4, 3);
 
-	_interfaceSurface->initialise();
+	_interfaceSurface->initialize();
 
 	loadSceneHotspots(_currentScene);
 
@@ -596,7 +596,7 @@ void MadsSceneResources::load(int sceneNumber, const char *resName, int v0, M4Su
 	char buffer1[80];
 	const char *sceneName;
 
-	// TODO: Initialise spriteSet / xp_list
+	// TODO: Initialize spriteSet / xp_list
 
 	if (sceneNumber > 0) {
 		sceneName = MADSResourceManager::getResourceName(RESPREFIX_RM, sceneNumber, ".DAT");
@@ -668,7 +668,7 @@ void MadsSceneResources::load(int sceneNumber, const char *resName, int v0, M4Su
 
 	delete stream;
 
-	// Initialise a copy of the surfaces if they weren't provided
+	// Initialize a copy of the surfaces if they weren't provided
 	bool dsFlag = false, ssFlag = false;
 	if (!surface) {
 		surface = new M4Surface(_width, _height);
@@ -864,7 +864,7 @@ void MadsInterfaceView::setFontMode(InterfaceFontMode newMode) {
 	}
 }
 
-void MadsInterfaceView::initialise() {
+void MadsInterfaceView::initialize() {
 	// Build up the inventory list
 	_inventoryList.clear();
 
diff --git a/engines/m4/mads_scene.h b/engines/m4/mads_scene.h
index 12d7088a2f..9835de4daf 100644
--- a/engines/m4/mads_scene.h
+++ b/engines/m4/mads_scene.h
@@ -108,8 +108,8 @@ public:
 public:
 	MadsScene(MadsEngine *vm);
 	virtual ~MadsScene();
-	void initialise() {
-		_sceneLogic.initialiseScripts();
+	void initialize() {
+		_sceneLogic.initializeScripts();
 	}
 
 	// Methods that differ between engines
@@ -177,7 +177,7 @@ public:
 	MadsInterfaceView(MadsM4Engine *vm);
 	~MadsInterfaceView();
 
-	virtual void initialise();
+	virtual void initialize();
 	virtual void setSelectedObject(int objectNumber);
 	virtual void addObjectToInventory(int objectNumber);
 	int getSelectedObject() { return _selectedObject; }
diff --git a/engines/m4/mads_views.h b/engines/m4/mads_views.h
index 72a70cfbc0..e49c9e6d94 100644
--- a/engines/m4/mads_views.h
+++ b/engines/m4/mads_views.h
@@ -447,7 +447,7 @@ protected:
 public:
 	Animation(MadsM4Engine *vm);
 	virtual ~Animation();
-	virtual void initialise(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) = 0;
+	virtual void initialize(const Common::String &filename, uint16 flags, M4Surface *surface, M4Surface *depthSurface) = 0;
 	virtual void load(const Common::String &filename, int v0) = 0;
 	virtual void update() = 0;
 	virtual void setCurrentFrame(int frameNumber) = 0;
diff --git a/engines/queen/command.h b/engines/queen/command.h
index 772d6cb0f1..aa72537a9f 100644
--- a/engines/queen/command.h
+++ b/engines/queen/command.h
@@ -97,7 +97,7 @@ public:
 	Command(QueenEngine *vm);
 	~Command();
 
-	//! initialise command construction
+	//! initialize command construction
 	void clear(bool clearTexts);
 
 	//! execute last constructed command
diff --git a/engines/queen/display.h b/engines/queen/display.h
index ffb4479426..4256b19d72 100644
--- a/engines/queen/display.h
+++ b/engines/queen/display.h
@@ -44,7 +44,7 @@ public:
 	Display(QueenEngine *vm, OSystem *system);
 	~Display();
 
-	//! initialise dynalum for the specified room
+	//! initialize dynalum for the specified room
 	void dynalumInit(const char *roomName, uint16 roomNum);
 
 	//! update dynalum for the current room
@@ -138,7 +138,7 @@ public:
 	//! show/hide mouse cursor
 	void showMouseCursor(bool show);
 
-	//! initialise font, compute justification sizes
+	//! initialize font, compute justification sizes
 	void initFont();
 
 	//! add the specified text to the texts list
diff --git a/engines/sci/engine/script.cpp b/engines/sci/engine/script.cpp
index eae2dd674c..a38aa06bc4 100644
--- a/engines/sci/engine/script.cpp
+++ b/engines/sci/engine/script.cpp
@@ -492,7 +492,7 @@ SegmentRef Script::dereference(reg_t pointer) {
 	return ret;
 }
 
-void Script::initialiseLocals(SegManager *segMan) {
+void Script::initializeLocals(SegManager *segMan) {
 	LocalVariables *locals = segMan->allocLocalsSegment(this);
 	if (locals) {
 		if (getSciVersion() > SCI_VERSION_0_EARLY) {
@@ -508,7 +508,7 @@ void Script::initialiseLocals(SegManager *segMan) {
 	}
 }
 
-void Script::initialiseClasses(SegManager *segMan) {
+void Script::initializeClasses(SegManager *segMan) {
 	const byte *seeker = 0;
 	uint16 mult = 0;
 
@@ -580,7 +580,7 @@ void Script::initialiseClasses(SegManager *segMan) {
 	}
 }
 
-void Script::initialiseObjectsSci0(SegManager *segMan, SegmentId segmentId) {
+void Script::initializeObjectsSci0(SegManager *segMan, SegmentId segmentId) {
 	bool oldScriptHeader = (getSciVersion() == SCI_VERSION_0_EARLY);
 
 	// We need to make two passes, as the objects in the script might be in the
@@ -632,7 +632,7 @@ void Script::initialiseObjectsSci0(SegManager *segMan, SegmentId segmentId) {
 		relocateSci0Sci21(make_reg(segmentId, relocationBlock - getBuf() + 4));
 }
 
-void Script::initialiseObjectsSci11(SegManager *segMan, SegmentId segmentId) {
+void Script::initializeObjectsSci11(SegManager *segMan, SegmentId segmentId) {
 	const byte *seeker = _heapStart + 4 + READ_SCI11ENDIAN_UINT16(_heapStart + 2) * 2;
 
 	while (READ_SCI11ENDIAN_UINT16(seeker) == SCRIPT_OBJECT_MAGIC_NUMBER) {
@@ -667,7 +667,7 @@ void Script::initialiseObjectsSci11(SegManager *segMan, SegmentId segmentId) {
 	relocateSci0Sci21(make_reg(segmentId, READ_SCI11ENDIAN_UINT16(_heapStart)));
 }
 
-void Script::initialiseObjectsSci3(SegManager *segMan, SegmentId segmentId) {
+void Script::initializeObjectsSci3(SegManager *segMan, SegmentId segmentId) {
 	const byte *seeker = getSci3ObjectsPointer();
 
 	while (READ_SCI11ENDIAN_UINT16(seeker) == SCRIPT_OBJECT_MAGIC_NUMBER) {
@@ -681,13 +681,13 @@ void Script::initialiseObjectsSci3(SegManager *segMan, SegmentId segmentId) {
 	relocateSci3(make_reg(segmentId, 0));
 }
 
-void Script::initialiseObjects(SegManager *segMan, SegmentId segmentId) {
+void Script::initializeObjects(SegManager *segMan, SegmentId segmentId) {
 	if (getSciVersion() <= SCI_VERSION_1_LATE)
-		initialiseObjectsSci0(segMan, segmentId);
+		initializeObjectsSci0(segMan, segmentId);
 	else if (getSciVersion() >= SCI_VERSION_1_1 && getSciVersion() <= SCI_VERSION_2_1)
-		initialiseObjectsSci11(segMan, segmentId);
+		initializeObjectsSci11(segMan, segmentId);
 	else if (getSciVersion() == SCI_VERSION_3)
-		initialiseObjectsSci3(segMan, segmentId);
+		initializeObjectsSci3(segMan, segmentId);
 }
 
 reg_t Script::findCanonicAddress(SegManager *segMan, reg_t addr) const {
diff --git a/engines/sci/engine/script.h b/engines/sci/engine/script.h
index 13744b6f93..ff061e0e36 100644
--- a/engines/sci/engine/script.h
+++ b/engines/sci/engine/script.h
@@ -137,20 +137,20 @@ public:
 	 * Initializes the script's local variables
 	 * @param segMan	A reference to the segment manager
 	 */
-	void initialiseLocals(SegManager *segMan);
+	void initializeLocals(SegManager *segMan);
 
 	/**
 	 * Adds the script's classes to the segment manager's class table
 	 * @param segMan	A reference to the segment manager
 	 */
-	void initialiseClasses(SegManager *segMan);
+	void initializeClasses(SegManager *segMan);
 
 	/**
 	 * Initializes the script's objects (SCI0)
 	 * @param segMan	A reference to the segment manager
 	 * @param segmentId	The script's segment id
 	 */
-	void initialiseObjects(SegManager *segMan, SegmentId segmentId);
+	void initializeObjects(SegManager *segMan, SegmentId segmentId);
 
 	// script lock operations
 
@@ -280,21 +280,21 @@ private:
 	 * @param segMan	A reference to the segment manager
 	 * @param segmentId	The script's segment id
 	 */
-	void initialiseObjectsSci0(SegManager *segMan, SegmentId segmentId);
+	void initializeObjectsSci0(SegManager *segMan, SegmentId segmentId);
 
 	/**
 	 * Initializes the script's objects (SCI1.1 - SCI2.1)
 	 * @param segMan	A reference to the segment manager
 	 * @param segmentId	The script's segment id
 	 */
-	void initialiseObjectsSci11(SegManager *segMan, SegmentId segmentId);
+	void initializeObjectsSci11(SegManager *segMan, SegmentId segmentId);
 
 	/**
 	 * Initializes the script's objects (SCI3)
 	 * @param segMan	A reference to the segment manager
 	 * @param segmentId	The script's segment id
 	 */
-	void initialiseObjectsSci3(SegManager *segMan, SegmentId segmentId);
+	void initializeObjectsSci3(SegManager *segMan, SegmentId segmentId);
 };
 
 } // End of namespace Sci
diff --git a/engines/sci/engine/seg_manager.cpp b/engines/sci/engine/seg_manager.cpp
index 3692bb2d55..ab67da32db 100644
--- a/engines/sci/engine/seg_manager.cpp
+++ b/engines/sci/engine/seg_manager.cpp
@@ -1007,9 +1007,9 @@ int SegManager::instantiateScript(int scriptNum) {
 
 	scr->init(scriptNum, _resMan);
 	scr->load(_resMan);
-	scr->initialiseLocals(this);
-	scr->initialiseClasses(this);
-	scr->initialiseObjects(this, segmentId);
+	scr->initializeLocals(this);
+	scr->initializeClasses(this);
+	scr->initializeObjects(this, segmentId);
 
 	return segmentId;
 }
diff --git a/engines/sci/engine/seg_manager.h b/engines/sci/engine/seg_manager.h
index a579ba10e1..ab5aeacabf 100644
--- a/engines/sci/engine/seg_manager.h
+++ b/engines/sci/engine/seg_manager.h
@@ -71,7 +71,7 @@ public:
 	 */
 	Script *allocateScript(int script_nr, SegmentId *seg_id);
 
-	// The script must then be initialised; see section (1b.), below.
+	// The script must then be initialized; see section (1b.), below.
 
 	/**
 	 * Forcefully deallocate a previously allocated script.
diff --git a/engines/scumm/boxes.cpp b/engines/scumm/boxes.cpp
index 1acb7e5586..64d4d7422c 100644
--- a/engines/scumm/boxes.cpp
+++ b/engines/scumm/boxes.cpp
@@ -962,7 +962,7 @@ void ScummEngine::calcItineraryMatrix(byte *itineraryMatrix, int num) {
 	// Allocate the adjacent & itinerary matrices
 	adjacentMatrix = (byte *)malloc(boxSize * boxSize);
 
-	// Initialise the adjacent matrix: each box has distance 0 to itself,
+	// Initialize the adjacent matrix: each box has distance 0 to itself,
 	// and distance 1 to its direct neighbors. Initially, it has distance
 	// 255 (= infinity) to all other boxes.
 	for (i = 0; i < num; i++) {
diff --git a/engines/scumm/palette.cpp b/engines/scumm/palette.cpp
index b85771e897..ba13ff46d9 100644
--- a/engines/scumm/palette.cpp
+++ b/engines/scumm/palette.cpp
@@ -214,7 +214,7 @@ void ScummEngine::resetPalette() {
 	} else {
 		if ((_game.platform == Common::kPlatformAmiga) && _game.version == 4) {
 			// if rendermode is set to EGA we use the full palette from the resources
-			// else we initialise and then lock down the first 16 colors.
+			// else we initialize and then lock down the first 16 colors.
 			if (_renderMode != Common::kRenderEGA)
 				setPaletteFromTable(tableAmigaMIPalette, sizeof(tableAmigaMIPalette) / 3);
 #ifndef DISABLE_TOWNS_DUAL_LAYER_MODE
diff --git a/engines/scumm/player_v4a.h b/engines/scumm/player_v4a.h
index b51ca2f993..d01c70f295 100644
--- a/engines/scumm/player_v4a.h
+++ b/engines/scumm/player_v4a.h
@@ -67,7 +67,7 @@ private:
 //		byte type;
 	} _sfxSlots[4];
 
-	int8 _initState; // < 0: failed, 0: uninitialised, > 0: initialised
+	int8 _initState; // < 0: failed, 0: uninitialized, > 0: initialized
 
 	int getSfxChan(int id) const {
 		for (int i = 0; i < ARRAYSIZE(_sfxSlots); ++i)
diff --git a/engines/sky/logic.cpp b/engines/sky/logic.cpp
index de081bb631..616670b0fd 100644
--- a/engines/sky/logic.cpp
+++ b/engines/sky/logic.cpp
@@ -1890,7 +1890,7 @@ bool Logic::fnCheckRequest(uint32 a, uint32 b, uint32 c) {
 }
 
 bool Logic::fnStartMenu(uint32 firstObject, uint32 b, uint32 c) {
-	/// initialise the top menu bar
+	/// initialize the top menu bar
 	// firstObject is o0 for game menu, k0 for linc
 
 	uint i;
@@ -1939,7 +1939,7 @@ bool Logic::fnStartMenu(uint32 firstObject, uint32 b, uint32 c) {
 	else if (menuLength < _scriptVariables[SCROLL_OFFSET] + 11)
 		_scriptVariables[SCROLL_OFFSET] = menuLength - 11;
 
-	// (6) AND FINALLY, INITIALISE THE 11 OBJECTS SO THEY APPEAR ON SCREEEN
+	// (6) AND FINALLY, INITIALIZE THE 11 OBJECTS SO THEY APPEAR ON SCREEEN
 
 	uint16 rollingX = TOP_LEFT_X + 28;
 	for (i = 0; i < 11; i++) {
diff --git a/engines/sword2/console.cpp b/engines/sword2/console.cpp
index 8d95670308..957b2431e0 100644
--- a/engines/sword2/console.cpp
+++ b/engines/sword2/console.cpp
@@ -779,19 +779,19 @@ bool Debugger::Cmd_Sfx(int argc, const char **argv) {
 }
 
 bool Debugger::Cmd_English(int argc, const char **argv) {
-	_vm->initialiseFontResourceFlags(DEFAULT_TEXT);
+	_vm->initializeFontResourceFlags(DEFAULT_TEXT);
 	DebugPrintf("Default fonts selected\n");
 	return true;
 }
 
 bool Debugger::Cmd_Finnish(int argc, const char **argv) {
-	_vm->initialiseFontResourceFlags(FINNISH_TEXT);
+	_vm->initializeFontResourceFlags(FINNISH_TEXT);
 	DebugPrintf("Finnish fonts selected\n");
 	return true;
 }
 
 bool Debugger::Cmd_Polish(int argc, const char **argv) {
-	_vm->initialiseFontResourceFlags(POLISH_TEXT);
+	_vm->initializeFontResourceFlags(POLISH_TEXT);
 	DebugPrintf("Polish fonts selected\n");
 	return true;
 }
diff --git a/engines/sword2/icons.cpp b/engines/sword2/icons.cpp
index f179f3c899..a555e63449 100644
--- a/engines/sword2/icons.cpp
+++ b/engines/sword2/icons.cpp
@@ -147,7 +147,7 @@ void Mouse::buildMenu() {
 		}
 	}
 
-	// Initialise the menu from the master list.
+	// Initialize the menu from the master list.
 
 	for (i = 0; i < 15; i++) {
 		uint32 res = _masterMenuList[i].icon_resource;
diff --git a/engines/sword2/interpreter.cpp b/engines/sword2/interpreter.cpp
index fbfb03cf61..e7fb979d69 100644
--- a/engines/sword2/interpreter.cpp
+++ b/engines/sword2/interpreter.cpp
@@ -264,7 +264,7 @@ int Logic::runScript2(byte *scriptData, byte *objectData, byte *offsetPtr) {
 	//	int32_TYPE	1		numberOfScripts
 	//	int32_TYPE	numberOfScripts	The offsets for each script
 
-	// Initialise some stuff
+	// Initialize some stuff
 
 	uint32 ip = 0;			 // Code pointer
 	int scriptNumber;
@@ -614,7 +614,7 @@ int Logic::runScript2(byte *scriptData, byte *objectData, byte *offsetPtr) {
 
 			// The scripts do not always call the mcode command
 			// with as many parameters as it can accept. To keep
-			// things predictable, initialise the remaining
+			// things predictable, initialize the remaining
 			// parameters to 0.
 
 			for (i = STACK_SIZE - 1; i >= value; i--) {
diff --git a/engines/sword2/layers.cpp b/engines/sword2/layers.cpp
index ad65336c0f..b13006cd70 100644
--- a/engines/sword2/layers.cpp
+++ b/engines/sword2/layers.cpp
@@ -22,7 +22,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-// high level layer initialising
+// high level layer initializing
 
 // the system supports:
 //	1 optional background parallax layer
@@ -97,7 +97,7 @@ void Screen::initBackground(int32 res, int32 new_palette) {
 
 	debug(2, "layers=%d width=%d depth=%d", screen_head.noLayers, screen_head.width, screen_head.height);
 
-	// initialise the driver back buffer
+	// initialize the driver back buffer
 	setLocationMetrics(screen_head.width, screen_head.height);
 
 	for (i = 0; i < screen_head.noLayers; i++) {
@@ -180,22 +180,22 @@ void Screen::initBackground(int32 res, int32 new_palette) {
 
 	for (i = 0; i < 2; i++) {
 		if (screenLayerTable.bg_parallax[i])
-			initialiseBackgroundLayer(_vm->fetchBackgroundParallaxLayer(file, i));
+			initializeBackgroundLayer(_vm->fetchBackgroundParallaxLayer(file, i));
 		else
-			initialiseBackgroundLayer(NULL);
+			initializeBackgroundLayer(NULL);
 	}
 
 	// Normal backround layer
 
-	initialiseBackgroundLayer(_vm->fetchBackgroundLayer(file));
+	initializeBackgroundLayer(_vm->fetchBackgroundLayer(file));
 
 	// Foreground parallax layers
 
 	for (i = 0; i < 2; i++) {
 		if (screenLayerTable.fg_parallax[i])
-			initialiseBackgroundLayer(_vm->fetchForegroundParallaxLayer(file, i));
+			initializeBackgroundLayer(_vm->fetchForegroundParallaxLayer(file, i));
 		else
-			initialiseBackgroundLayer(NULL);
+			initializeBackgroundLayer(NULL);
 	}
 
 	_vm->_resman->closeResource(_thisScreen.background_layer_id);
@@ -243,7 +243,7 @@ void Screen::initPsxBackground(int32 res, int32 new_palette) {
 
 	debug(2, "layers=%d width=%d depth=%d", screen_head.noLayers, screen_head.width, screen_head.height);
 
-	// initialise the driver back buffer
+	// initialize the driver back buffer
 	setLocationMetrics(screen_head.width, screen_head.height);
 
 	for (i = 0; i < screen_head.noLayers; i++) {
@@ -279,15 +279,15 @@ void Screen::initPsxBackground(int32 res, int32 new_palette) {
 	_thisScreen.feet_y = 340;
 
 	// Background parallax layers
-	initialisePsxParallaxLayer(_vm->fetchBackgroundParallaxLayer(file, 0));
-	initialisePsxParallaxLayer(NULL);
+	initializePsxParallaxLayer(_vm->fetchBackgroundParallaxLayer(file, 0));
+	initializePsxParallaxLayer(NULL);
 
 	// Normal backround layer
-	initialisePsxBackgroundLayer(_vm->fetchBackgroundLayer(file));
+	initializePsxBackgroundLayer(_vm->fetchBackgroundLayer(file));
 
 	// Foreground parallax layers
-	initialisePsxParallaxLayer(_vm->fetchForegroundParallaxLayer(file, 1));
-	initialisePsxParallaxLayer(NULL);
+	initializePsxParallaxLayer(_vm->fetchForegroundParallaxLayer(file, 1));
+	initializePsxParallaxLayer(NULL);
 
 	_vm->_resman->closeResource(_thisScreen.background_layer_id);
 
diff --git a/engines/sword2/maketext.cpp b/engines/sword2/maketext.cpp
index 804862e13f..e279284d76 100644
--- a/engines/sword2/maketext.cpp
+++ b/engines/sword2/maketext.cpp
@@ -636,7 +636,7 @@ void FontRenderer::killTextBloc(uint32 bloc_number) {
 
 #define SAVE_LINE_NO	1
 
-void Sword2Engine::initialiseFontResourceFlags() {
+void Sword2Engine::initializeFontResourceFlags() {
 	byte *textFile = _resman->openResource(TEXT_RES);
 
 	// If language is Polish or Finnish it requires alternate fonts.
@@ -649,11 +649,11 @@ void Sword2Engine::initialiseFontResourceFlags() {
 	char *textLine = (char *)fetchTextLine(textFile, SAVE_LINE_NO) + 2;
 
 	if (strcmp(textLine, "tallenna") == 0)
-		initialiseFontResourceFlags(FINNISH_TEXT);
+		initializeFontResourceFlags(FINNISH_TEXT);
 	else if (strcmp(textLine, "zapisz") == 0)
-		initialiseFontResourceFlags(POLISH_TEXT);
+		initializeFontResourceFlags(POLISH_TEXT);
 	else
-		initialiseFontResourceFlags(DEFAULT_TEXT);
+		initializeFontResourceFlags(DEFAULT_TEXT);
 
 	// Get the game name for the windows application
 
@@ -677,10 +677,10 @@ void Sword2Engine::initialiseFontResourceFlags() {
 }
 
 /**
- * Called from initialiseFontResourceFlags(), and also from console.cpp
+ * Called from initializeFontResourceFlags(), and also from console.cpp
  */
 
-void Sword2Engine::initialiseFontResourceFlags(uint8 language) {
+void Sword2Engine::initializeFontResourceFlags(uint8 language) {
 	switch (language) {
 	case FINNISH_TEXT:
 		_speechFontId = FINNISH_SPEECH_FONT_ID;
diff --git a/engines/sword2/render.cpp b/engines/sword2/render.cpp
index e3bce7d27f..1e068d6061 100644
--- a/engines/sword2/render.cpp
+++ b/engines/sword2/render.cpp
@@ -342,10 +342,10 @@ void Screen::renderParallax(byte *ptr, int16 l) {
 #define LIMIT_FRAME_RATE
 
 /**
- * Initialises the timers before the render loop is entered.
+ * Initializes the timers before the render loop is entered.
  */
 
-void Screen::initialiseRenderCycle() {
+void Screen::initializeRenderCycle() {
 	_initialTime = _vm->_system->getMillis();
 	_totalTime = _initialTime + (1000 / _vm->getFramesPerSecond());
 }
@@ -399,7 +399,7 @@ bool Screen::endRenderCycle() {
 		renderCountIndex = 0;
 
 	if (_renderTooSlow) {
-		initialiseRenderCycle();
+		initializeRenderCycle();
 		return true;
 	}
 
@@ -461,13 +461,13 @@ void Screen::resetRenderEngine() {
  * or a NULL pointer in order of background parallax to foreground parallax.
  */
 
-int32 Screen::initialiseBackgroundLayer(byte *parallax) {
+int32 Screen::initializeBackgroundLayer(byte *parallax) {
 	Parallax p;
 	uint16 i, j, k;
 	byte *data;
 	byte *dst;
 
-	debug(2, "initialiseBackgroundLayer");
+	debug(2, "initializeBackgroundLayer");
 
 	assert(_layer < MAXLAYERS);
 
@@ -588,14 +588,14 @@ int32 Screen::initialiseBackgroundLayer(byte *parallax) {
  * ratio correction), while PC backgrounds are in tiles of 64x64.
  */
 
-int32 Screen::initialisePsxBackgroundLayer(byte *parallax) {
+int32 Screen::initializePsxBackgroundLayer(byte *parallax) {
 	uint16 bgXres, bgYres;
 	uint16 trueXres, stripeNumber, totStripes;
 	uint32 baseAddress, stripePos;
 	uint16 i, j;
 	byte *dst;
 
-	debug(2, "initialisePsxBackgroundLayer");
+	debug(2, "initializePsxBackgroundLayer");
 
 	assert(_layer < MAXLAYERS);
 
@@ -698,14 +698,14 @@ int32 Screen::initialisePsxBackgroundLayer(byte *parallax) {
  * can be understood by renderParallax functions.
  */
 
-int32 Screen::initialisePsxParallaxLayer(byte *parallax) {
+int32 Screen::initializePsxParallaxLayer(byte *parallax) {
 	uint16 plxXres, plxYres;
 	uint16 xTiles, yTiles;
 	uint16 i, j, k;
 	byte *data;
 	byte *dst;
 
-	debug(2, "initialisePsxParallaxLayer");
+	debug(2, "initializePsxParallaxLayer");
 
 	assert(_layer < MAXLAYERS);
 
diff --git a/engines/sword2/router.h b/engines/sword2/router.h
index ec711bcc40..7196ea8df4 100644
--- a/engines/sword2/router.h
+++ b/engines/sword2/router.h
@@ -26,7 +26,7 @@
 #define SWORD2_ROUTER_H
 
 // This used to be a variable, but it was never set. Actually, it wasn't even
-// initialised!
+// initialized!
 //
 // Define this to force the use of slidy router (so solid path not used when
 // ending walk in ANY direction)
diff --git a/engines/sword2/screen.cpp b/engines/sword2/screen.cpp
index cae719c1d4..0cb951fdfc 100644
--- a/engines/sword2/screen.cpp
+++ b/engines/sword2/screen.cpp
@@ -61,11 +61,11 @@ Screen::Screen(Sword2Engine *vm, int16 width, int16 height) {
 
 	_dirtyGrid = (byte *)calloc(_gridWide, _gridDeep);
 	if (!_dirtyGrid)
-		error("Could not initialise dirty grid");
+		error("Could not initialize dirty grid");
 
 	_buffer = (byte *)malloc(width * height);
 	if (!_buffer)
-		error("Could not initialise display");
+		error("Could not initialize display");
 
 	for (int i = 0; i < ARRAYSIZE(_blockSurfaces); i++)
 		_blockSurfaces[i] = NULL;
@@ -1225,11 +1225,11 @@ void Screen::rollCredits() {
 void Screen::splashScreen() {
 	byte *bgfile = _vm->_resman->openResource(2950);
 
-	initialiseBackgroundLayer(NULL);
-	initialiseBackgroundLayer(NULL);
-	initialiseBackgroundLayer(_vm->fetchBackgroundLayer(bgfile));
-	initialiseBackgroundLayer(NULL);
-	initialiseBackgroundLayer(NULL);
+	initializeBackgroundLayer(NULL);
+	initializeBackgroundLayer(NULL);
+	initializeBackgroundLayer(_vm->fetchBackgroundLayer(bgfile));
+	initializeBackgroundLayer(NULL);
+	initializeBackgroundLayer(NULL);
 
 	_vm->fetchPalette(bgfile, _palette);
 	setPalette(0, 256, _palette, RDPAL_FADE);
diff --git a/engines/sword2/screen.h b/engines/sword2/screen.h
index 2d15692299..11e323d0a7 100644
--- a/engines/sword2/screen.h
+++ b/engines/sword2/screen.h
@@ -390,12 +390,12 @@ public:
 	void resetRenderLists();
 
 	void setLocationMetrics(uint16 w, uint16 h);
-	int32 initialiseBackgroundLayer(byte *parallax);
-	int32 initialisePsxParallaxLayer(byte *parallax);   // These are used to initialize psx backgrounds and
-	int32 initialisePsxBackgroundLayer(byte *parallax); // parallaxes, which are different from pc counterparts.
+	int32 initializeBackgroundLayer(byte *parallax);
+	int32 initializePsxParallaxLayer(byte *parallax);   // These are used to initialize psx backgrounds and
+	int32 initializePsxBackgroundLayer(byte *parallax); // parallaxes, which are different from pc counterparts.
 	void closeBackgroundLayer();
 
-	void initialiseRenderCycle();
+	void initializeRenderCycle();
 
 	void initBackground(int32 res, int32 new_palette);
 	void initPsxBackground(int32 res, int32 new_palette);
diff --git a/engines/sword2/sword2.cpp b/engines/sword2/sword2.cpp
index bc34e15236..62a391923d 100644
--- a/engines/sword2/sword2.cpp
+++ b/engines/sword2/sword2.cpp
@@ -425,7 +425,7 @@ Common::Error Sword2Engine::run() {
 	setInputEventFilter(RD_LEFTBUTTONUP | RD_RIGHTBUTTONUP | RD_WHEELUP | RD_WHEELDOWN);
 
 	setupPersistentResources();
-	initialiseFontResourceFlags();
+	initializeFontResourceFlags();
 
 	if (_features & GF_DEMO)
 		_logic->writeVar(DEMO, 1);
@@ -463,7 +463,7 @@ Common::Error Sword2Engine::run() {
 	} else
 		startGame();
 
-	_screen->initialiseRenderCycle();
+	_screen->initializeRenderCycle();
 
 	while (1) {
 		_debugger->onFrame();
diff --git a/engines/sword2/sword2.h b/engines/sword2/sword2.h
index 27cbd9e49d..e4c9dcca3c 100644
--- a/engines/sword2/sword2.h
+++ b/engines/sword2/sword2.h
@@ -233,8 +233,8 @@ public:
 
 	void sleepUntil(uint32 time);
 
-	void initialiseFontResourceFlags();
-	void initialiseFontResourceFlags(uint8 language);
+	void initializeFontResourceFlags();
+	void initializeFontResourceFlags(uint8 language);
 
 	bool initStartMenu();
 	void registerStartPoint(int32 key, char *name);
diff --git a/engines/sword25/gfx/graphicengine.h b/engines/sword25/gfx/graphicengine.h
index 04826c2e5a..3309763966 100644
--- a/engines/sword25/gfx/graphicengine.h
+++ b/engines/sword25/gfx/graphicengine.h
@@ -106,7 +106,7 @@ public:
 	// ---------
 
 	/**
-	 * Initialises the graphics engine and sets the screen mode. Returns
+	 * Initializes the graphics engine and sets the screen mode. Returns
 	 * true if initialisation failed.
 	 * @note This method should be called immediately after the
 	 * initialisation of all services.
diff --git a/engines/sword25/gfx/panel.cpp b/engines/sword25/gfx/panel.cpp
index 34ab4876ea..6d5b2a623d 100644
--- a/engines/sword25/gfx/panel.cpp
+++ b/engines/sword25/gfx/panel.cpp
@@ -47,12 +47,12 @@ Panel::Panel(RenderObjectPtr<RenderObject> parentPtr, int width, int height, uin
 	_height = height;
 
 	if (_width < 0) {
-		error("Tried to initialise a panel with an invalid width (%d).", _width);
+		error("Tried to initialize a panel with an invalid width (%d).", _width);
 		return;
 	}
 
 	if (_height < 0) {
-		error("Tried to initialise a panel with an invalid height (%d).", _height);
+		error("Tried to initialize a panel with an invalid height (%d).", _height);
 		return;
 	}
 
diff --git a/engines/sword25/input/inputengine.h b/engines/sword25/input/inputengine.h
index a84c215076..f79890a9fd 100644
--- a/engines/sword25/input/inputengine.h
+++ b/engines/sword25/input/inputengine.h
@@ -172,7 +172,7 @@ public:
 	/// --------------------------------------------------------------
 
 	/**
-	 * Initialises the input engine
+	 * Initializes the input engine
 	 * @return          Returns a true on success, otherwise false.
 	 */
 	bool init();
diff --git a/engines/sword25/kernel/kernel.cpp b/engines/sword25/kernel/kernel.cpp
index f45137ce02..d6388eee2b 100644
--- a/engines/sword25/kernel/kernel.cpp
+++ b/engines/sword25/kernel/kernel.cpp
@@ -63,7 +63,7 @@ Kernel::Kernel() :
 	// Create the resource manager
 	_resourceManager = new ResourceManager(this);
 
-	// Initialise the script engine
+	// Initialize the script engine
 	_script = new LuaScriptEngine(this);
 	if (!_script || !_script->init()) {
 		_initSuccess = false;
diff --git a/engines/sword25/kernel/kernel.h b/engines/sword25/kernel/kernel.h
index a0c2927fdc..adf69f92d6 100644
--- a/engines/sword25/kernel/kernel.h
+++ b/engines/sword25/kernel/kernel.h
@@ -79,7 +79,7 @@ public:
 	uint getMilliTicks();
 
 	/**
-	 * Specifies whether the kernel was successfully initialised
+	 * Specifies whether the kernel was successfully initialized
 	 */
 	bool getInitSuccess() const {
 		return _initSuccess;
diff --git a/engines/sword25/math/polygon.cpp b/engines/sword25/math/polygon.cpp
index fe2fc84cad..2e7836ff77 100644
--- a/engines/sword25/math/polygon.cpp
+++ b/engines/sword25/math/polygon.cpp
@@ -59,7 +59,7 @@ Polygon::~Polygon() {
 }
 
 bool Polygon::init(int vertexCount_, const Vertex *vertices_) {
-	// Rember the old obstate to restore it if an error occurs whilst initialising it with the new data
+	// Rember the old obstate to restore it if an error occurs whilst initializing it with the new data
 	int oldvertexCount = this->vertexCount;
 	Vertex *oldvertices = this->vertices;
 
diff --git a/engines/sword25/math/polygon.h b/engines/sword25/math/polygon.h
index eac19d7900..ffdbf14f6b 100644
--- a/engines/sword25/math/polygon.h
+++ b/engines/sword25/math/polygon.h
@@ -78,15 +78,15 @@ public:
 	virtual ~Polygon();
 
 	/**
-	 * Initialises the BS_Polygon with a list of Vertecies.
+	 * Initializes the BS_Polygon with a list of Vertecies.
 	 *
 	 * The Vertices need to define a polygon must not have self-intersections.
-	 * If a polygon already has verticies, this will re-initialise it with the new list.
+	 * If a polygon already has verticies, this will re-initialize it with the new list.
 	 *
 	 * @param VertexCount       The number of vertices being passed
 	 * @param Vertecies         An array of BS_Vertex objects representing the vertices in the polygon.
 	 * @return                  Returns false if the Vertecies have self-intersections. In this case,
-	 * the object is not initialised.
+	 * the object is not initialized.
 	 */
 	bool init(int vertexCount_, const Vertex *vertices_);
 
diff --git a/engines/sword25/math/region.cpp b/engines/sword25/math/region.cpp
index 8790860a55..7681ef6d9f 100644
--- a/engines/sword25/math/region.cpp
+++ b/engines/sword25/math/region.cpp
@@ -115,7 +115,7 @@ bool Region::init(const Polygon &contour, const Common::Array<Polygon> *pHoles)
 	}
 
 
-	// Initialise bounding box
+	// Initialize bounding box
 	updateBoundingBox();
 
 	_valid = true;
diff --git a/engines/sword25/math/region.h b/engines/sword25/math/region.h
index f9a3f50b3f..0fd7223631 100644
--- a/engines/sword25/math/region.h
+++ b/engines/sword25/math/region.h
@@ -73,12 +73,12 @@ public:
 	virtual ~Region();
 
 	/**
-	 * Initialises a BS_Region object
+	 * Initializes a BS_Region object
 	 * @param Contour       A polygon indicating the outline of the region
 	 * @param pHoles        A pointer to an array of polygons representing the hole state in the region.
 	 * If the region has no holes, it must be passed as NULL. The default value is NULL.
 	 * @return              Returns true if the initialisation was successful, otherwise false.
-	 * @remark              If the region was already initialised, the old state will be deleted.
+	 * @remark              If the region was already initialized, the old state will be deleted.
 	 */
 	virtual bool init(const Polygon &contour, const Common::Array<Polygon> *pHoles = NULL);
 
diff --git a/engines/sword25/math/walkregion.cpp b/engines/sword25/math/walkregion.cpp
index 3eea689877..bace4d54bc 100644
--- a/engines/sword25/math/walkregion.cpp
+++ b/engines/sword25/math/walkregion.cpp
@@ -101,7 +101,7 @@ static void initDijkstraNodes(DijkstraNode::Container &dijkstraNodes, const Regi
 	// Allocate sufficient space in the array
 	dijkstraNodes.resize(nodes.size());
 
-	// Initialise all the nodes which are visible from the starting node
+	// Initialize all the nodes which are visible from the starting node
 	DijkstraNode::Iter dijkstraIter = dijkstraNodes.begin();
 	for (Common::Array<Vertex>::const_iterator nodesIter = nodes.begin();
 	        nodesIter != nodes.end(); nodesIter++, dijkstraIter++) {
@@ -173,7 +173,7 @@ void reverseArray(Common::Array<T> &arr) {
 bool WalkRegion::findPath(const Vertex &start, const Vertex &end, BS_Path &path) const {
 	// This is an implementation of Dijkstra's algorithm
 
-	// Initialise edge node list
+	// Initialize edge node list
 	DijkstraNode::Container dijkstraNodes;
 	initDijkstraNodes(dijkstraNodes, *this, start, _nodes);
 
@@ -247,7 +247,7 @@ void WalkRegion::initNodeVector() {
 }
 
 void WalkRegion::computeVisibilityMatrix() {
-	// Initialise visibility matrix
+	// Initialize visibility matrix
 	_visibilityMatrix = Common::Array< Common::Array <int> >();
 	for (uint idx = 0; idx < _nodes.size(); ++idx) {
 		Common::Array<int> arr;
diff --git a/engines/sword25/script/luascript.cpp b/engines/sword25/script/luascript.cpp
index 7fd3d1b658..9c65c9948d 100644
--- a/engines/sword25/script/luascript.cpp
+++ b/engines/sword25/script/luascript.cpp
@@ -112,7 +112,7 @@ bool LuaScriptEngine::init() {
 	// Place the error handler function in the Lua registry, and remember the index
 	_pcallErrorhandlerRegistryIndex = luaL_ref(_state, LUA_REGISTRYINDEX);
 
-	// Initialise the Pluto-Persistence library
+	// Initialize the Pluto-Persistence library
 	luaopen_pluto(_state);
 	lua_pop(_state, 1);
 
diff --git a/engines/sword25/script/luascript.h b/engines/sword25/script/luascript.h
index cd6d0e8878..1a4a38c3be 100644
--- a/engines/sword25/script/luascript.h
+++ b/engines/sword25/script/luascript.h
@@ -49,7 +49,7 @@ public:
 	virtual ~LuaScriptEngine();
 
 	/**
-	 * Initialises the scripting engine
+	 * Initializes the scripting engine
 	 * @return              Returns true if successful, otherwise false.
 	*/
 	virtual bool init();
diff --git a/engines/sword25/script/script.h b/engines/sword25/script/script.h
index e4ce846b66..04f248fe7e 100644
--- a/engines/sword25/script/script.h
+++ b/engines/sword25/script/script.h
@@ -54,7 +54,7 @@ public:
 	// -----------------------------------------------------------------------------
 
 	/**
-	 * Initialises the scrip tengine. Returns true if successful, false otherwise.
+	 * Initializes the scrip tengine. Returns true if successful, false otherwise.
 	 */
 	virtual bool init() = 0;
 
diff --git a/engines/sword25/sfx/soundengine.h b/engines/sword25/sfx/soundengine.h
index c087392570..4dbd475846 100644
--- a/engines/sword25/sfx/soundengine.h
+++ b/engines/sword25/sfx/soundengine.h
@@ -88,7 +88,7 @@ public:
 	~SoundEngine() {}
 
 	/**
-	 * Initialises the sound engine
+	 * Initializes the sound engine
 	 * @param SampleRate    Specifies the sample rate to use.
 	 * @param Channels      The maximum number of channels. The default is 32.
 	 * @return              Returns true on success, otherwise false.
diff --git a/engines/sword25/sword25.cpp b/engines/sword25/sword25.cpp
index 93666fed39..b111746c32 100644
--- a/engines/sword25/sword25.cpp
+++ b/engines/sword25/sword25.cpp
@@ -94,7 +94,7 @@ Common::Error Sword25Engine::run() {
 }
 
 Common::Error Sword25Engine::appStart() {
-	// Initialise the graphics mode to ARGB8888
+	// Initialize the graphics mode to ARGB8888
 	Graphics::PixelFormat format = Graphics::PixelFormat(4, 8, 8, 8, 8, 16, 8, 0, 24);
 	initGraphics(800, 600, true, &format);
 	if (format != g_system->getScreenFormat())
@@ -142,7 +142,7 @@ bool Sword25Engine::appMain() {
 }
 
 bool Sword25Engine::appEnd() {
-	// The kernel is shutdown, and un-initialises all subsystems
+	// The kernel is shutdown, and un-initializes all subsystems
 	Kernel::deleteInstance();
 
 	AnimationTemplateRegistry::destroy();
diff --git a/engines/tinsel/actors.cpp b/engines/tinsel/actors.cpp
index 9caa12d320..4e9847f8b4 100644
--- a/engines/tinsel/actors.cpp
+++ b/engines/tinsel/actors.cpp
@@ -434,7 +434,7 @@ void StartTaggedActors(SCNHANDLE ah, int numActors, bool bRunScript) {
 		memset(taggedActors, 0, sizeof(taggedActors));
 		numTaggedActors = numActors;
 	} else {
-		// Only actors with code blocks got (x, y) re-initialised, so...
+		// Only actors with code blocks got (x, y) re-initialized, so...
 		for (i = 0; i < NumActors; i++) {
 			actorInfo[i].x = actorInfo[i].y = 0;
 			actorInfo[i].mtype = 0;
diff --git a/engines/tinsel/background.cpp b/engines/tinsel/background.cpp
index 5e2ebaafdc..72397db97f 100644
--- a/engines/tinsel/background.cpp
+++ b/engines/tinsel/background.cpp
@@ -37,7 +37,7 @@ namespace Tinsel {
 const BACKGND *pCurBgnd = NULL;
 
 /**
- * Called to initialise a background.
+ * Called to initialize a background.
  * @param pBgnd			Pointer to data struct for current background
  */
 
diff --git a/engines/tinsel/background.h b/engines/tinsel/background.h
index 37ab4d4d5c..34f1bd6dd2 100644
--- a/engines/tinsel/background.h
+++ b/engines/tinsel/background.h
@@ -73,7 +73,7 @@ struct BACKGND {
 |*			Background Function Prototypes			*|
 \*----------------------------------------------------------------------*/
 
-void InitBackground(		// called to initialise a background
+void InitBackground(		// called to initialize a background
 	const BACKGND *pBgnd);	// pointer to data struct for current background
 
 void StartupBackground(CORO_PARAM, SCNHANDLE hFilm);
diff --git a/engines/tinsel/bg.cpp b/engines/tinsel/bg.cpp
index e5618afc5c..cf692e16ea 100644
--- a/engines/tinsel/bg.cpp
+++ b/engines/tinsel/bg.cpp
@@ -126,7 +126,7 @@ static void BGmainProcess(CORO_PARAM, const void *param) {
 			// Get the MULTI_INIT structure
 			pmi = (const MULTI_INIT *)LockMem(FROM_LE_32(pReel->mobj));
 
-			// Initialise and insert the object, and initialise its script.
+			// Initialize and insert the object, and initialize its script.
 			pBG[0] = MultiInitObject(pmi);
 			MultiInsertObject(GetPlayfieldList(FIELD_WORLD), pBG[0]);
 			InitStepAnimScript(&thisAnim[0], pBG[0], FROM_LE_32(pReel->script), BGspeed);
@@ -141,7 +141,7 @@ static void BGmainProcess(CORO_PARAM, const void *param) {
 				// Get the MULTI_INIT structure
 				pmi = (PMULTI_INIT) LockMem(FROM_LE_32(pFilm->reels[i].mobj));
 
-				// Initialise and insert the object, and initialise its script.
+				// Initialize and insert the object, and initialize its script.
 				pBG[i] = MultiInitObject(pmi);
 				MultiInsertObject(GetPlayfieldList(FIELD_WORLD), pBG[i]);
 				MultiSetZPosition(pBG[i], 0);
@@ -176,7 +176,7 @@ static void BGmainProcess(CORO_PARAM, const void *param) {
 			pFilm = (const FILM *)LockMem(hBackground);
 			assert(bgReels == (int32)FROM_LE_32(pFilm->numreels));
 
-			// Just re-initialise the scripts.
+			// Just re-initialize the scripts.
 			for (int i = 0; i < bgReels; i++) {
 				InitStepAnimScript(&thisAnim[i], pBG[i], pFilm->reels[i].script, BGspeed);
 				StepAnimScript(&thisAnim[i]);
@@ -202,7 +202,7 @@ static void BGotherProcess(CORO_PARAM, const void *param) {
 
 	CORO_BEGIN_CODE(_ctx);
 
-	// Initialise and insert the object, and initialise its script.
+	// Initialize and insert the object, and initialize its script.
 	_ctx->pObj = MultiInitObject(pmi);
 	MultiInsertObject(GetPlayfieldList(FIELD_WORLD), _ctx->pObj);
 
diff --git a/engines/tinsel/bmv.cpp b/engines/tinsel/bmv.cpp
index db56c5bbba..24d47b920f 100644
--- a/engines/tinsel/bmv.cpp
+++ b/engines/tinsel/bmv.cpp
@@ -385,7 +385,7 @@ void BMVPlayer::MoviePalette(int paletteOffset) {
 		SetTextPal(talkColor);
 }
 
-void BMVPlayer::InitialiseMovieSound() {
+void BMVPlayer::InitializeMovieSound() {
 	_audioStream = Audio::makeQueuingAudioStream(22050, true);
 	audioStarted = false;
 }
@@ -663,7 +663,7 @@ void BMVPlayer::LoadSlots(int number) {
 /**
  * Called from the foreground when starting playback of a movie.
  */
-void BMVPlayer::InitialiseBMV() {
+void BMVPlayer::InitializeBMV() {
 	if (!stream.open(szMovieFile))
 		error(CANNOT_FIND_FILE, szMovieFile);
 
@@ -680,7 +680,7 @@ void BMVPlayer::InitialiseBMV() {
 	// Pass the sceen buffer to the decompresser
 	InitBMV(screenBuffer);
 
-	// Initialise some stuff
+	// Initialize some stuff
 	nextUseOffset = 0;
 	nextSoundOffset = 0;
 	wrapUseOffset = -1;
@@ -705,8 +705,8 @@ void BMVPlayer::InitialiseBMV() {
 	while (numAdvancePackets < ADVANCE_SOUND)
 		LoadSlots(1);
 
-	// Initialise the sound channel
-	InitialiseMovieSound();
+	// Initialize the sound channel
+	InitializeMovieSound();
 }
 
 /**
@@ -1066,7 +1066,7 @@ void BMVPlayer::FettleBMV() {
 
 		// First time in with this movie
 
-		InitialiseBMV();
+		InitializeBMV();
 
 		for (i = 0; i < ADVANCE_SOUND;) {
 			if (DoSoundFrame())
diff --git a/engines/tinsel/bmv.h b/engines/tinsel/bmv.h
index 02ba6d100f..eadf65c3aa 100644
--- a/engines/tinsel/bmv.h
+++ b/engines/tinsel/bmv.h
@@ -134,7 +134,7 @@ private:
 	void InitBMV(byte *memoryBuffer);
 	void PrepAudio(const byte *sourceData, int blobCount, byte *destPtr);
 	void MoviePalette(int paletteOffset);
-	void InitialiseMovieSound();
+	void InitializeMovieSound();
 	void StartMovieSound();
 	void FinishMovieSound();
 	void MovieAudio(int audioOffset, int blobs);
@@ -144,7 +144,7 @@ private:
 	int MovieCommand(char cmd, int commandOffset);
 	int FollowingPacket(int thisPacket, bool bReallyImportant);
 	void LoadSlots(int number);
-	void InitialiseBMV();
+	void InitializeBMV();
 	bool MaintainBuffer();
 	bool DoBMVFrame();
 	bool DoSoundFrame();
diff --git a/engines/tinsel/cliprect.cpp b/engines/tinsel/cliprect.cpp
index f8d8011b12..76feede83f 100644
--- a/engines/tinsel/cliprect.cpp
+++ b/engines/tinsel/cliprect.cpp
@@ -209,7 +209,7 @@ void UpdateClipRect(OBJECT **pObjList, Common::Point *pWin, Common::Rect *pClip)
 	DRAWOBJECT currentObj;		// filled in to draw the current object in list
 	OBJECT *pObj;				// object list iterator
 
-	// Initialise the fields of the drawing object to empty
+	// Initialize the fields of the drawing object to empty
 	memset(&currentObj, 0, sizeof(DRAWOBJECT));
 
 	for (pObj = *pObjList; pObj != NULL; pObj = pObj->pNext) {
diff --git a/engines/tinsel/cursor.cpp b/engines/tinsel/cursor.cpp
index 6e04feff57..8248609a81 100644
--- a/engines/tinsel/cursor.cpp
+++ b/engines/tinsel/cursor.cpp
@@ -77,7 +77,7 @@ static int nextTrail = 0;
 
 static bool bWhoa = false;		// Set by DropCursor() at the end of a scene
 				// - causes cursor processes to do nothing
-				// Reset when main cursor has re-initialised
+				// Reset when main cursor has re-initialized
 
 static uint16 restart = 0;	// When main cursor has been bWhoa-ed, it waits
 							// for this to be set to 0x8000.
@@ -106,8 +106,8 @@ static int lastCursorX = 0, lastCursorY = 0;
 static void DoCursorMove();
 
 /**
- * Initialise and insert a cursor trail object, set its Z-pos, and hide
- * it. Also initialise its animation script.
+ * Initialize and insert a cursor trail object, set its Z-pos, and hide
+ * it. Also initialize its animation script.
  */
 static void InitCurTrailObj(int i, int x, int y) {
 	const FREEL *pfr;		// pointer to reel
@@ -127,13 +127,13 @@ static void InitCurTrailObj(int i, int x, int y) {
 	assert(BgPal()); // No background palette
 	pim->hImgPal = TO_LE_32(BgPal());
 
-	// Initialise and insert the object, set its Z-pos, and hide it
+	// Initialize and insert the object, set its Z-pos, and hide it
 	ntrailData[i].trailObj = MultiInitObject(pmi);
 	MultiInsertObject(GetPlayfieldList(FIELD_STATUS), ntrailData[i].trailObj);
 	MultiSetZPosition(ntrailData[i].trailObj, Z_CURSORTRAIL);
 	MultiSetAniXY(ntrailData[i].trailObj, x, y);
 
-	// Initialise the animation script
+	// Initialize the animation script
 	InitStepAnimScript(&ntrailData[i].trailAnim, ntrailData[i].trailObj, FROM_LE_32(pfr->script), ONE_SECOND / FROM_LE_32(pfilm->frate));
 	StepAnimScript(&ntrailData[i].trailAnim);
 }
@@ -227,7 +227,7 @@ void GetCursorXY(int *x, int *y, bool absolute) {
 }
 
 /**
- * Re-initialise the main cursor to use the main cursor reel.
+ * Re-initialize the main cursor to use the main cursor reel.
  * Called from TINLIB.C to restore cursor after hiding it.
  * Called from INVENTRY.C to restore cursor after customising it.
  */
@@ -385,11 +385,11 @@ void SetAuxCursor(SCNHANDLE hFilm) {
 	ACoY = (short)((FROM_LE_16(pim->imgHeight) & ~C16_FLAG_MASK)/2 -
 		((int16) FROM_LE_16(pim->anioffY)));
 
-	// Initialise and insert the auxillary cursor object
+	// Initialize and insert the auxillary cursor object
 	AcurObj = MultiInitObject(pmi);
 	MultiInsertObject(GetPlayfieldList(FIELD_STATUS), AcurObj);
 
-	// Initialise the animation and set its position
+	// Initialize the animation and set its position
 	InitStepAnimScript(&AcurAnim, AcurObj, FROM_LE_32(pfr->script), ONE_SECOND / FROM_LE_32(pfilm->frate));
 	MultiSetAniXY(AcurObj, x - ACoX, y - ACoY);
 	MultiSetZPosition(AcurObj, Z_ACURSOR);
@@ -470,7 +470,7 @@ static void DoCursorMove() {
 }
 
 /**
- * Initialise cursor object.
+ * Initialize cursor object.
  */
 static void InitCurObj() {
 	const FILM *pFilm;
@@ -500,7 +500,7 @@ static void InitCurObj() {
 }
 
 /**
- * Initialise the cursor position.
+ * Initialize the cursor position.
  */
 static void InitCurPos() {
 	Common::Point ptMouse = _vm->getMousePosition();
@@ -530,7 +530,7 @@ static void CursorStoppedCheck(CORO_PARAM) {
 		while (restart != 0x8000)
 			CORO_SLEEP(1);
 
-		// Re-initialise
+		// Re-initialize
 		InitCurObj();
 		InitCurPos();
 		InventoryIconCursor(false);	// May be holding something
@@ -656,7 +656,7 @@ void DropCursor() {
  * RestartCursor is called when a new scene is starting up.
  */
 void RestartCursor() {
-	restart = 0x8000;	// Get the main cursor to re-initialise
+	restart = 0x8000;	// Get the main cursor to re-initialize
 }
 
 /**
diff --git a/engines/tinsel/dialogs.cpp b/engines/tinsel/dialogs.cpp
index 6deeab27cd..6ca070b67a 100644
--- a/engines/tinsel/dialogs.cpp
+++ b/engines/tinsel/dialogs.cpp
@@ -1319,7 +1319,7 @@ extern int WhichItemHeld() {
 }
 
 /**
- * Called from the cursor module when it re-initialises (at the start of
+ * Called from the cursor module when it re-initializes (at the start of
  * a new scene). For if we are holding something at scene-change time.
  */
 extern void InventoryIconCursor(bool bNewItem) {
diff --git a/engines/tinsel/heapmem.cpp b/engines/tinsel/heapmem.cpp
index 2376583222..026dc9457e 100644
--- a/engines/tinsel/heapmem.cpp
+++ b/engines/tinsel/heapmem.cpp
@@ -100,7 +100,7 @@ static void MemoryStats() {
 #endif
 
 /**
- * Initialises the memory manager.
+ * Initializes the memory manager.
  */
 void MemoryInit() {
 	// place first node on free list
@@ -133,7 +133,7 @@ void MemoryInit() {
 }
 
 /**
- * Deinitialises the memory manager.
+ * Deinitializes the memory manager.
  */
 void MemoryDeinit() {
 	const MEM_NODE *pHeap = &heapSentinel;
diff --git a/engines/tinsel/heapmem.h b/engines/tinsel/heapmem.h
index 277463e4ef..7b29a3ecce 100644
--- a/engines/tinsel/heapmem.h
+++ b/engines/tinsel/heapmem.h
@@ -35,8 +35,8 @@ struct MEM_NODE;
 |*			Memory Function Prototypes			*|
 \*----------------------------------------------------------------------*/
 
-void MemoryInit();			// initialises the memory manager
-void MemoryDeinit();		// deinitialises the memory manager
+void MemoryInit();			// initializes the memory manager
+void MemoryDeinit();		// deinitializes the memory manager
 
 // reserves a memory node for a movable & discardable block
 MEM_NODE *MemoryNoAlloc();
diff --git a/engines/tinsel/multiobj.cpp b/engines/tinsel/multiobj.cpp
index 4a9d4b65d4..c48fefdd22 100644
--- a/engines/tinsel/multiobj.cpp
+++ b/engines/tinsel/multiobj.cpp
@@ -29,7 +29,7 @@
 namespace Tinsel {
 
 /**
- * Initialise a multi-part object using a list of images to init
+ * Initialize a multi-part object using a list of images to init
  * each object piece. One object is created for each image in the list.
  * All objects are given the same palette as the first image. A pointer
  * to the first (master) object created is returned.
diff --git a/engines/tinsel/multiobj.h b/engines/tinsel/multiobj.h
index a467fac425..a0f977553a 100644
--- a/engines/tinsel/multiobj.h
+++ b/engines/tinsel/multiobj.h
@@ -53,7 +53,7 @@ typedef MULTI_INIT *PMULTI_INIT;
 |*			Multi Object Function Prototypes		*|
 \*----------------------------------------------------------------------*/
 
-OBJECT *MultiInitObject(	// Initialise a multi-part object
+OBJECT *MultiInitObject(	// Initialize a multi-part object
 	const MULTI_INIT *pInitTbl);	// pointer to multi-object initialisation table
 
 void MultiInsertObject(		// Insert a multi-part object onto a object list
diff --git a/engines/tinsel/object.cpp b/engines/tinsel/object.cpp
index b1090058d1..cbe5b0a88f 100644
--- a/engines/tinsel/object.cpp
+++ b/engines/tinsel/object.cpp
@@ -345,7 +345,7 @@ void GetAniPosition(OBJECT *pObj, int *pPosX, int *pPosY) {
 }
 
 /**
- * Initialise a object using a OBJ_INIT structure to supply parameters.
+ * Initialize a object using a OBJ_INIT structure to supply parameters.
  * @param pInitTbl			Pointer to object initialisation table
  */
 OBJECT *InitObject(const OBJ_INIT *pInitTbl) {
@@ -486,7 +486,7 @@ void AnimateObject(OBJECT *pAniObj, SCNHANDLE hNewImg) {
  * @param height		Height of rectangle
  */
 OBJECT *RectangleObject(SCNHANDLE hPal, int color, int width, int height) {
-	// template for initialising the rectangle object
+	// template for initializing the rectangle object
 	static const OBJ_INIT rectObj = {0, DMA_CONST, OID_EFFECTS, 0, 0, 0};
 	PALQ *pPalQ;		// palette queue pointer
 
@@ -522,7 +522,7 @@ OBJECT *RectangleObject(SCNHANDLE hPal, int color, int width, int height) {
  * @param height		Height of rectangle
  */
 OBJECT *TranslucentObject(int width, int height) {
-	// template for initialising the rectangle object
+	// template for initializing the rectangle object
 	static const OBJ_INIT rectObj = {0, DMA_TRANS, OID_EFFECTS, 0, 0, 0};
 
 	// allocate and init a new object
diff --git a/engines/tinsel/pcode.cpp b/engines/tinsel/pcode.cpp
index 39423813bf..0834e7df24 100644
--- a/engines/tinsel/pcode.cpp
+++ b/engines/tinsel/pcode.cpp
@@ -348,7 +348,7 @@ void FreeMasterInterpretContext() {
 }
 
 /**
- * Allocate and initialise an interpret context.
+ * Allocate and initialize an interpret context.
  * Called from a process prior to Interpret().
  * @param gsort			which sort of code
  * @param hCode			Handle to code to execute
@@ -385,7 +385,7 @@ INT_CONTEXT *InitInterpretContext(GSORT gsort, SCNHANDLE hCode,	TINSEL_EVENT eve
 }
 
 /**
- * Allocate and initialise an interpret context with restored data.
+ * Allocate and initialize an interpret context with restored data.
  */
 INT_CONTEXT *RestoreInterpretContext(INT_CONTEXT *ric) {
 	INT_CONTEXT *ic;
diff --git a/engines/tinsel/pcode.h b/engines/tinsel/pcode.h
index eedf9fb827..971a42d7bd 100644
--- a/engines/tinsel/pcode.h
+++ b/engines/tinsel/pcode.h
@@ -74,7 +74,7 @@ struct INT_CONTEXT {
 	int ip;				///< instruction pointer
 	bool bHalt;			///< set to exit interpeter
 	bool escOn;
-	int myEscape;		///< only initialised to prevent compiler warning!
+	int myEscape;		///< only initialized to prevent compiler warning!
 
 	uint32 waitNumber1;		// The waiting numbert
 	uint32 waitNumber2;		// The wait for number
diff --git a/engines/tinsel/polygons.cpp b/engines/tinsel/polygons.cpp
index 26a861f692..6fc1c65ec5 100644
--- a/engines/tinsel/polygons.cpp
+++ b/engines/tinsel/polygons.cpp
@@ -1275,13 +1275,13 @@ HPOLYGON GetPolyHandle(int i) {
 
 // **************************************************************************
 //
-// Code called to initialise or wrap up a scene:
+// Code called to initialize or wrap up a scene:
 //
 // **************************************************************************
 
 /**
  * Called at the start of a scene, when all polygons have been
- * initialised, to work out which paths are adjacent to which.
+ * initialized, to work out which paths are adjacent to which.
  */
 static int DistinctCorners(HPOLYGON hp1, HPOLYGON hp2) {
 	const POLYGON *pp1, *pp2;
@@ -1593,7 +1593,7 @@ static PPOLYGON GetPolyEntry() {
 
 /**
  * Variation of  GetPolyEntry from Tinsel 1 that splits up getting a new
- * polygon structure from initialising it
+ * polygon structure from initializing it
  */
 static PPOLYGON CommonInits(PTYPE polyType, int pno, const Poly &ptp, bool bRestart) {
 	int i;
@@ -1657,14 +1657,14 @@ static void PseudoCenter(POLYGON *p) {
 }
 
 /**
- * Initialise an EXIT polygon.
+ * Initialize an EXIT polygon.
  */
 static void InitExit(const Poly &ptp, int pno, bool bRestart) {
 	CommonInits(EXIT, pno, ptp, bRestart);
 }
 
 /**
- * Initialise a PATH or NPATH polygon.
+ * Initialize a PATH or NPATH polygon.
  */
 static void InitPath(const Poly &ptp, bool NodePath, int pno, bool bRestart) {
 	PPOLYGON p = CommonInits(PATH, pno, ptp, bRestart);
@@ -1676,14 +1676,14 @@ static void InitPath(const Poly &ptp, bool NodePath, int pno, bool bRestart) {
 
 
 /**
- * Initialise a BLOCKING polygon.
+ * Initialize a BLOCKING polygon.
  */
 static void InitBlock(const Poly &ptp, int pno, bool bRestart) {
 	CommonInits(BLOCK, pno, ptp, bRestart);
 }
 
 /**
- * Initialise an extra BLOCKING polygon related to a moving actor.
+ * Initialize an extra BLOCKING polygon related to a moving actor.
  * The width of the polygon depends on the width of the actor which is
  * trying to walk through the actor you first thought of.
  * This is for dynamic blocking.
@@ -1718,7 +1718,7 @@ HPOLYGON InitExtraBlock(PMOVER ca, PMOVER ta) {
 }
 
 /**
- * Initialise an EFFECT polygon.
+ * Initialize an EFFECT polygon.
  */
 static void InitEffect(const Poly &ptp, int pno, bool bRestart) {
 	CommonInits(EFFECT, pno, ptp, bRestart);
@@ -1726,7 +1726,7 @@ static void InitEffect(const Poly &ptp, int pno, bool bRestart) {
 
 
 /**
- * Initialise a REFER polygon.
+ * Initialize a REFER polygon.
  */
 static void InitRefer(const Poly &ptp, int pno, bool bRestart) {
 	PPOLYGON p = CommonInits(REFER, pno, ptp, bRestart);
@@ -1736,7 +1736,7 @@ static void InitRefer(const Poly &ptp, int pno, bool bRestart) {
 
 
 /**
- * Initialise a TAG polygon.
+ * Initialize a TAG polygon.
  */
 static void InitTag(const Poly &ptp, int pno, bool bRestart) {
 	CommonInits(TAG, pno, ptp, bRestart);
@@ -1781,7 +1781,7 @@ static void KillDeadPolygons() {
 }
 
 /**
- * Called at the start of a scene to initialise the polys in that scene.
+ * Called at the start of a scene to initialize the polys in that scene.
  */
 void InitPolygons(SCNHANDLE ph, int numPoly, bool bRestart) {
 	pHandle = ph;
diff --git a/engines/tinsel/savescn.cpp b/engines/tinsel/savescn.cpp
index 7be24cc964..89d68a611e 100644
--- a/engines/tinsel/savescn.cpp
+++ b/engines/tinsel/savescn.cpp
@@ -150,14 +150,14 @@ void DoRestoreScene(SAVED_DATA *sd, bool bFadeOut) {
 		RestoreSceneCount = RS_COUNT;	// Set restore scene count
 }
 
-void InitialiseSaveScenes() {
+void InitializeSaveScenes() {
 	if (ssData == NULL) {
 		ssData = (SAVED_DATA *)calloc(MAX_NEST, sizeof(SAVED_DATA));
 		if (ssData == NULL) {
 			error("Cannot allocate memory for scene changes");
 		}
 	} else {
-		// Re-initialise - no scenes saved
+		// Re-initialize - no scenes saved
 		savedSceneCount = 0;
 	}
 }
diff --git a/engines/tinsel/savescn.h b/engines/tinsel/savescn.h
index 27840876f2..894af0d6b8 100644
--- a/engines/tinsel/savescn.h
+++ b/engines/tinsel/savescn.h
@@ -96,7 +96,7 @@ void ProcessSRQueue();
 void RequestSaveGame(char *name, char *desc, SAVED_DATA *sd, int *ssCount, SAVED_DATA *ssData);
 void RequestRestoreGame(int num, SAVED_DATA *sd, int *ssCount, SAVED_DATA *ssData);
 
-void InitialiseSaveScenes();
+void InitializeSaveScenes();
 void FreeSaveScenes();
 
 } // End of namespace Tinsel
diff --git a/engines/tinsel/scene.cpp b/engines/tinsel/scene.cpp
index f2c3bff1d5..89b0da7d65 100644
--- a/engines/tinsel/scene.cpp
+++ b/engines/tinsel/scene.cpp
@@ -201,8 +201,8 @@ void SendSceneTinselProcess(TINSEL_EVENT event) {
 
 /**
  * Get the SCENE_STRUC
- * Initialise polygons for the scene
- * Initialise the actors for this scene
+ * Initialize polygons for the scene
+ * Initialize the actors for this scene
  * Run the appropriate entrance code (if any)
  * Get the default refer type
  */
@@ -244,10 +244,10 @@ static void LoadScene(SCNHANDLE scene, int entry) {
 	if (entry == NO_ENTRY_NUM) {
 		// Restoring scene
 
-		// Initialise all the polygons for this scene
+		// Initialize all the polygons for this scene
 		InitPolygons(FROM_LE_32(ss->hPoly), FROM_LE_32(ss->numPoly), true);
 
-		// Initialise the actors for this scene
+		// Initialize the actors for this scene
 		StartTaggedActors(FROM_LE_32(ss->hTaggedActor), FROM_LE_32(ss->numTaggedActor), false);
 
 		if (TinselV2)
@@ -257,10 +257,10 @@ static void LoadScene(SCNHANDLE scene, int entry) {
 	} else {
 		// Genuine new scene
 
-		// Initialise all the polygons for this scene
+		// Initialize all the polygons for this scene
 		InitPolygons(FROM_LE_32(ss->hPoly), FROM_LE_32(ss->numPoly), false);
 
-		// Initialise the actors for this scene
+		// Initialize the actors for this scene
 		StartTaggedActors(FROM_LE_32(ss->hTaggedActor), FROM_LE_32(ss->numTaggedActor), true);
 
 		// Run the appropriate entrance code (if any)
diff --git a/engines/tinsel/scroll.cpp b/engines/tinsel/scroll.cpp
index 7637664163..d75e649be3 100644
--- a/engines/tinsel/scroll.cpp
+++ b/engines/tinsel/scroll.cpp
@@ -416,7 +416,7 @@ void ScrollProcess(CORO_PARAM, const void *) {
 	CORO_BEGIN_CODE(_ctx);
 
 	// In Tinsel v2, scenes may play movies, so the background may not always
-	// already be initialised like it is in v1
+	// already be initialized like it is in v1
 	while (!GetBgObject())
 		CORO_SLEEP(1);
 
diff --git a/engines/tinsel/sysvar.cpp b/engines/tinsel/sysvar.cpp
index aa3fdeead8..88053f15c6 100644
--- a/engines/tinsel/sysvar.cpp
+++ b/engines/tinsel/sysvar.cpp
@@ -112,7 +112,7 @@ static SCNHANDLE systemStrings[SS_MAX_VALID];	// FIXME: Avoid non-const global v
 //----------------- FUNCTIONS --------------------------------
 
 /**
- * Initialises the system variable list
+ * Initializes the system variable list
  */
 
 void InitSysVars() {
diff --git a/engines/tinsel/tinlib.cpp b/engines/tinsel/tinlib.cpp
index a5a0c73395..7613c1a897 100644
--- a/engines/tinsel/tinlib.cpp
+++ b/engines/tinsel/tinlib.cpp
@@ -2749,7 +2749,7 @@ static void SetTag(CORO_PARAM, int tagno) {
 }
 
 /**
- * Initialise a timer.
+ * Initialize a timer.
  */
 static void SetTimer(int timerno, int start, bool up, bool frame) {
 	StartTimer(timerno, start, up != 0, frame != 0);
@@ -2999,7 +2999,7 @@ static void StartProcess(CORO_PARAM, uint32 procID) {
 }
 
 /**
- * Initialise a timer.
+ * Initialize a timer.
  */
 static void StartTimerFn(int timerno, int start, bool up, int fs) {
 	StartTimer(timerno, start, up, fs);
diff --git a/engines/tinsel/tinsel.cpp b/engines/tinsel/tinsel.cpp
index 84a8ea8eb3..6c1898b08c 100644
--- a/engines/tinsel/tinsel.cpp
+++ b/engines/tinsel/tinsel.cpp
@@ -705,7 +705,7 @@ void LoadBasicChunks() {
 	int numObjects;
 
 	// Allocate RAM for savescene data
-	InitialiseSaveScenes();
+	InitializeSaveScenes();
 
 	// CHUNK_TOTAL_ACTORS seems to be missing in the released version, hard coding a value
 	// TODO: Would be nice to just change 511 to MAX_SAVED_ALIVES
diff --git a/engines/tsage/graphics.cpp b/engines/tsage/graphics.cpp
index 96fd8002b6..cc11343c9c 100644
--- a/engines/tsage/graphics.cpp
+++ b/engines/tsage/graphics.cpp
@@ -874,7 +874,7 @@ GfxDialog::~GfxDialog() {
 void GfxDialog::setDefaults() {
 	GfxElement::setDefaults();
 
-	// Initialise the embedded graphics manager
+	// Initialize the embedded graphics manager
 	_gfxManager.setDefaults();
 
 	// Figure out a rect needed for all the added elements
diff --git a/engines/tsage/scenes.cpp b/engines/tsage/scenes.cpp
index 3741bdafd7..11308e6c4b 100644
--- a/engines/tsage/scenes.cpp
+++ b/engines/tsage/scenes.cpp
@@ -319,7 +319,7 @@ void Scene::loadSceneData(int sceneNum) {
 	// Load the priority regions
 	_priorities.load(sceneNum);
 
-	// Initialise the section enabled list
+	// Initialize the section enabled list
 	Common::set_to(&_enabledSections[0], &_enabledSections[16 * 16], 0xffff);
 
 	_globals->_sceneOffset.x = (_sceneBounds.left / 160) * 160;
diff --git a/engines/tsage/tsage.cpp b/engines/tsage/tsage.cpp
index 4f55ecfb83..6fae9785c0 100644
--- a/engines/tsage/tsage.cpp
+++ b/engines/tsage/tsage.cpp
@@ -60,7 +60,7 @@ bool TSageEngine::hasFeature(EngineFeature f) const {
 		(f == kSupportsSavingDuringRuntime);
 }
 
-void TSageEngine::initialise() {
+void TSageEngine::initialize() {
 	_saver = new Saver();
 
 	// Set up the resource manager
@@ -83,7 +83,7 @@ void TSageEngine::initialise() {
 	_globals->gfxManager().setDefaults();
 }
 
-void TSageEngine::deinitialise() {
+void TSageEngine::deinitialize() {
 	delete _globals;
 	delete _resourceManager;
 	delete _saver;
@@ -91,12 +91,12 @@ void TSageEngine::deinitialise() {
 
 Common::Error TSageEngine::run() {
 	// Basic initialisation
-	initialise();
+	initialize();
 
 	_globals->_sceneHandler.registerHandler();
 	_globals->_game->execute();
 
-	deinitialise();
+	deinitialize();
 	return Common::kNoError;
 }
 
diff --git a/engines/tsage/tsage.h b/engines/tsage/tsage.h
index 2228212510..e3d37257cd 100644
--- a/engines/tsage/tsage.h
+++ b/engines/tsage/tsage.h
@@ -86,8 +86,8 @@ public:
 	virtual Common::Error saveGameState(int slot, const char *desc);
 	Common::String generateSaveName(int slot);
 
-	void initialise();
-	void deinitialise();
+	void initialize();
+	void deinitialize();
 };
 
 extern TSageEngine *_vm;
diff --git a/gui/widgets/list.cpp b/gui/widgets/list.cpp
index 065b240471..a0877fc68a 100644
--- a/gui/widgets/list.cpp
+++ b/gui/widgets/list.cpp
@@ -38,7 +38,7 @@ ListWidget::ListWidget(Dialog *boss, const String &name, const char *tooltip, ui
 	_scrollBar = NULL;
 	_textWidth = NULL;
 
-	// This ensures that _entriesPerPage is properly initialised.
+	// This ensures that _entriesPerPage is properly initialized.
 	reflowLayout();
 
 	_scrollBar = new ScrollBarWidget(this, _w - _scrollBarWidth + 1, 0, _scrollBarWidth, _h);
@@ -70,7 +70,7 @@ ListWidget::ListWidget(Dialog *boss, int x, int y, int w, int h, const char *too
 	_scrollBar = NULL;
 	_textWidth = NULL;
 
-	// This ensures that _entriesPerPage is properly initialised.
+	// This ensures that _entriesPerPage is properly initialized.
 	reflowLayout();
 
 	_scrollBar = new ScrollBarWidget(this, _w - _scrollBarWidth + 1, 0, _scrollBarWidth, _h);