ZDoom
GzDoom
Hexen 2 (without source ports, just original game executable: hexen.exe or glhexen.exe)
Quake 2 Evolved (better frame rate that window$ runs)
Quake 3 (I know there is native binaries, but juts testing)
Half Life 1
Quake Tenebrae (Quake 1. Runs much better that window$ runs)
FuhQuake (Quake 1)
Mu Online
World of Warcraft
Diablo 1 (Not tested over www)
Diablo 2 (and Diablo 2 Expansion. Not tested over www)
ZDaemon (not tested over www games, only LAN. Runs with a capped framerate. Maybe a config. issue. I dont know)
Call Of Cthulhu: Dark Corners of the Earth (Approx same FrameRate as window$ runs. Maybe 5 or 6 FPSs less, no less)
F.E.A.R. (needs some dll's hacks, or you will get errors)
Need for Speed Underground 1
Need for Speed Underground 2
Microsoft Arcade Games (Atari classic remakes from MSoft)
Starcraft
Warcraft 1, 2 and 3
Counter Strike Source (you will need a very potent computer. Runs at really lower framerate, in comparison with Window$)
Nox (Diablo Like game. Not tested over www.)
...
I think i miss some, but i dont remember now.
Any doubt,just let me to know
If someone is interested in Doom Linux Source Ports, editing tools, and map/MODs editing, i can help a bit with that.
Salutes and cya.
sweet man.... I've heard cedega is even better than wine and I guy I work with got the source code for free and compiled his own pirate copy. He's one genius motha... way smarter than me. Does anyone know if you get to play Starcraft or warcraft online too? At least in a LAN. 
