KQ7 2.00b, PQ:SWAT, Phant1, GK2, and Torin are all verified as
using the 'ignore' variant; SQ6 and QFG4CD are verified as using
the 'fail' variant. MGDX and Shivers could not be checked as they
have only Phar Lap Win16 executables, so took a guess based on
their release dates.