Hmm, here goes...in no particular order.
Pinball Fantasies [edit]
Speedball 2
Shadow of the Beast (this introduced me to the Amiga)
Wings
Defender of the Crown
Dune 2 (do I dare say this inspired Warcraft?)
Walker
Another World
It Came From the Desert
Pirates!
Honorable Mentions:
Nuclear War
Elvira
Megaball
