Best Action Game : Grand Theft Auto IV
Best Graphic Adventure Game : Sam & Max: Season Two
Best Music/Rhythm Game : AudioSurf
Best Platform Game : Prince of Persia
Best Persistent World Game : Warhammer Online: Age of Reckoning
Best Puzzle Game : World of Goo
Best Racing/Driving Game : Grid
Best RPG : Fallout 3
Best Shooting Game : Left 4 Dead
Best Strategy Game : Sins of a Solar Empire
Best Graphics Technology : Crysis Warhead
Best Artistic Design : Spore
Best Original Score : Mass Effect
Best Use of Sound : Left 4 Dead
Best Voice Acting : Grand Theft Auto IV
Best Story : Mass Effect
Best Family Game : Spore
Best Multiplayer Game : Left 4 Dead
Best Expansion : Galactic Civilizations II: Twilight of the Arnor
Best New IP : Sins of a Solar Empire
Most Innovative Design : Sins of a Solar Empire
PC Game of the Year : Sins of a Solar Empire
credit :
http://bestof.ign.com/2008/pc