Half-Life Day of Defeat Team Fortress Classic Quake Quake 2 Quake 3 Star Trek Elite Forces Jedi Knight 2 C&C Renegade Tribes Tribes 2 Kingpin Unreal Tournament Return to Castle Wolfenstein Medal of Honor Allied Assault Operation Flashpont All of these I can run on highest settings on my crap comp...plus they all have multiplayer online (although you need a server browser or server list for Quake and Quake 2) and are excellent gameplay (who cares about graphics when you have an extremely fun game (cs for example) My crap comp: Intel Celeron 2.4ghz 510 MB RAM Intel 82865G (DX6.0 lol) SoundMAX digital audio and to top it all of....an extremely large 40GB hard drive lol