Lots of my favs are already written, but here i go:
The Clue
Reunion
Banshee
Galaga
Moonstone
Warzone
Chaos Engine
Zack Mcracken:-D
K240
Benefactor
Alien Fishfinger:-D
Goblins series
Most adventures by Lucasarts, Sierra
Skeleton Krew
Alien Breed (all 2D)
Shadow Fighter
Scorched Tanks
Megablast
Pang
Flink
All terrain racing
Zeewolf 2
Gunship 2000