Winners are highlighted in bold.
Game of the Year
 Grand Theft Auto: San Andreas
  Half-Life 2
 Halo 2
  Katamari Damacy
  World of Warcraft 
Console Game of the Year
 Burnout 3
  Grand Theft Auto: San Andreas
  Halo 2
  Katamari Damacy
  Ratchet & Clank: Up Your Arsenal 
Innovation in Console Gaming
 Fable
  Halo 2
 Donkey Konga
  EyeToy: AntiGrav
  Katamari Damacy 
Outstanding Achievement in Art Direction
 Doom 3
  Metroid Prime 2: Echoes
  Prince of Persia: Warrior Within
  Sly Cooper 2
  Half-Life 2 
Outstanding Achievement in Animation
 Prince of Persia: Warrior Within
  Sly Cooper 2
  Jak 3
  Rachet & Clank: Up Your Arsenal
 Half-Life 2 
Outstanding Character Performance--Male
 Robert Guillaume, Half-Life 2
 The Bard's Tale
  Metal Gear Solid 3
 Demon Stone
 The Chronicles of Riddick  
Outstanding Character Performance--Female
 Demon Stone
  Judi Dench, GoldenEye: Rogue Agent
 Zoo Tycoon 2
  
Outstanding Achievement in Soundtrack
 Need For Speed Underground 2
  Tony Hawk's Underground 2
  Donkey Konga 
 Grand Theft Auto: San Andreas 
Outstanding Achievement in Original Musical Composition
 Rome: Total War
 NBA Ballers
 Katamari Damacy
  Killzone
  Fable  
Outstanding Achievement in Sound Design
 Rome: Total War
 Halo 2
 Doom 3
 Rachet & Clank: Up Your Arsenal
  Sly Cooper 2  
Outstanding Achievement in Gameplay Engineering
 Donkey Konga
  Spider-Man 2 
 EyeToy: AntiGrav
  Half-Life 2
 Fable 
Outstanding Achievement in Online Gameplay
 Halo 2
 Rome: Total War
  Unreal Tournament 2004 
 Warhammer 40,000: Dawn of War  
Outstanding Achievement in Visual Engineering
 Doom 3
  Metroid Prime: Echoes
  Demon Stone 
 Rachet & Clank: Up Your Arsenal
 Half-Life 2 
Outstanding Achievement in Game Design
 Fable
  City of Heroes
 Katamari Damacy
 Grand Theft Auto: San Andreas
  Half-Life 2  
Outstanding Achievement in Character or Story Development
 Grand Theft Auto: San Andreas
  Half-Life 2
  Demon Stone 
 Psi-Ops: The Mindgate Conspiracy
  Fable 
Console 
Platform Action/Adventure Game of the Year
 Prince of Persia: Warrior Within
 Rachet & Clank: Up Your Arsenal
  Jak 3 
Action/Adventure Game of the Year
 Grand Theft Auto: San Andreas
 Pikmin 2 
 Psi-Ops: The Mindgate Conspiracy
  Tom Clancy's Splinter Cell Pandora Tomorrow
  Metal Gear Solid 3: Snake Eater  
Action Sports Game of the Year
 NFL Street 2
  Tony Hawk's Underground 2
  NBA Ballers 
 Mario Power Tennis 
First-Person Action Game of the Year
 Halo 2
 GoldenEye: Rogue Agent
  Metroid Prime 2: Echoes 
 The Chronicles of Riddick  
Children's Title of the Year
 Shrek 2
  Backyard Baseball 2005
  Mario Party 6 
 Pokemon Colosseum
 Sly Cooper 2  
Console Family Game of the Year
 Donkey Konga
 Eye Toy: Anti-Grav
 Karaoke Revolution Volume 3
 Wario Ware Inc. 
Fighting Game of the Year
 Def Jam: Fight for NY 
 Dragon Ball Z: Budokai 3 
 Mortal Kombat: Deception 
Racing Game of the Year
 Burnout 3
 Rallisport Challenge 2 
Role-Playing Game of the Year
 X-Men Legends 
 The Bard's Tale
 Paper Mario: The Thousand-Year Door
 Final Fantasy: Crystal Chronicles
  Tales of Symphonia  
Sports Simulation Game of the Year
 Madden NFL 2005 
 ESPN NHL 2K5 
 ESPN NFL 2K5
 Winning Eleven 7  
Wireless & Handheld 
Wireless Game of the Year
 Pokemon FireRed/LeafGreen 
 Super Mario 64 DS 
Handheld Game of the Year
 Metroid: Zero Mission
 Super Mario 64 DS 
 Kingdom Hearts: Chain of Memories 
Quote
Originally posted by: Bloodworth
I'm actually glad that I didn't bother going this year. Halo has a good online structure, but I don't see why that should win an award for innovation. And although I'm a Nintendo fan, there's no way Paper Mario should have beaten X-Men Legends, Tales of Symphonia, and Baten Kaitos (which didn't even get nominated).
Quote
Its interesting how AIAS was nice to Nintendo in times past; now that not too many Nintendo titles picked up hardware from a more-or-less legitmate source, the fans go "Ah screw it, AIAS sucks anyways..." *Rolls eyes*