The inventive first-person shooter took home 4 awards out of 16 categories. Call of Duty 4: Modern Warfare and Portal each received 2 awards.
Check out the videos of the winners and nominees for all the categories at X-Play:
• Game of the Year - BioShock • Most Original Game - Portal • Best Gameplay Innovation - Assassin's Creed • Best Multiplayer Game - Rock Band • Best Action/Adventure Game - Super Mario Galaxy • Best Sports Game - Forza Motorsport 2 • Best Shooter - Call of Duty 4: Modern Warfare • Best Role Playing Game - Mass Effect • Best New Character - GLaDOS from Portal • Best Art Direction - BioShock • Best Animation - Ratchet & Clank Future: Tools of Destruction • Best Writing/Story - BioShock • Best Original Soundtrack - BioShock • Best Sound Design - Call of Duty 4: Modern Warfare • Best Downloadable Content - Pac-Man: Championship Edition • Best Strategy Game - Supreme Commander