hmm I still have

Star Trek: Deep Space Nine - The Fallen

Star Trek: Voyager Elite Force 

Aquanox (Only the best futuristic sub game but really required a good Joy stick to play)

most of the need for speed series

the only 2 good versions of Unreal Tournament 2K3 and 2K4 

Half Life 1 and 2 episodes 1,2,3 

Decent 1 and 2 (also best played with a joy stick)

I also have a couple of old shareware games: Blake Stone (similar to Wolfenstein 3D erm actually it was complete rip off of it) and Tyrion (an scrolling top down space shooter) 

Doom 1,2,3

Quake 1 and Quake 2 GL and Quake 3 + team arena addon