Hey, another list!
When I'm not doing any coding crap, I usually play the following games:
Age of Empires Rise of Rome Expansion - After 10 years of playing the demo, I finally got a copy lol
Stepmania - just when I need to wear my fingers out
Doom II via zdaemon - Still creeps the crap out of me once in a while. Also use it for bot deathmatches
Halo - multiplayer when I'm with my friends
Brave Soul - yay hentai RPG
I need to unpack all my other old games to see what's still fun to play.
Now everybody else's turn. GoGoGo!