>>1
Frets On fire, Sauerbraten, Warsow, Nexuiz, Torus Trooper, OpenTTD, AlienArena, Tremulus, OpenArena, Battle For Wesnoth, Abuse.. theres plenty, just google for "linux games".
I know you said it doesn't count, but if you really want games, you should check out Cedega to play windows games with and I've had *some* success with Wine too.
>>6
Wine is an acronym for
Wine
Is
Not an
Emulator. It doesn't emulate anything (using the generally agreed on definition of emulator in regards to computers), it's an implementation of windows API's on linux.