-deathmatch	start a deathmatch game
-altdeath	start a deathmatch game (alternative mode)
-timer x	exit a deathmatch level after x minutes
-avg	austin virtual gaming (same as -timer 20)
-cdrom	use C:\\DOOMDATA for configuration data
-config x	use x as the configuration file
-devparm	developer mode: F1 saves a PCX screenshot in the current working directory
-dup	put two network commands in each network packet
-episode e	start playing on episode e (from 1-4)
-extratic	send two packets per tic for network redundancy
-fast	monsters move faster
-file f...	add the PWADs f...
-loadgame s	load the save in slot s
-maxdemo x	set the maximum byte size of the recorded demo
-nodes	define the number of players in a network game
# <not implemented yet> -nodraw	no drawing of the screen is performed
-nomonsters	disable all monsters
-respawn	monsters respawn after being killed
-nomusic	disable music
-nosfx	disable sound effects
-nosound	equivalent to -nomusic -nosfx
-playdemo x	play demo from file x.lmp
-record	record a demo to file x.lmp
-recordfrom x y	start recording y.lmp from save slot x
-skill x 	set the game skill (0-5; 5 being hardest)
-statcopy x	register a stats driver at memory location x
-timedemo x	play x.lmp at double speed and display the redraw count
-warp [x y|zz]	start the game at level ExMy or MAPyy
-wart x y	load PWAD ExMy.WAD and warp to level ExMy
-turbo x	multiple player speed by x%. If unspecified, x defaults to 200. Values are rounded up to 10 and down to 400.