Pirates! -By Sid Meier
And:
Last Ninja 1 and 3
Silkworm (shoot'em up)
Worldgames (a sportgame, not WG Inc.)
Mean Streets (Investigate the death of a scientist)
*Some AD&DD and RPG's I don't remember
Sherlock Holmes
Test Drive 2 -The Duel
Davids Midnight Magic (flipper)
Maniac Mansion (adventure, rescue a friend from an evil meteor!)
Stunt Car Racer
Zork (Hey, did anyone mention gfx-card?)
And for them spending too much time on the dark side:
*Sim Dr. Watson* :-D