God of War and Guitar Hero were the big winners at last night's Interactive Achievement Awards in Las Vegas.

God of War won in ever category it was nominated in, a total of seven, and Guitar Hero took home five awards. Hit the jump for the full list of winners.

Game of the Year
God of War

PC Game of the Year:
Battlefield 2

Console Game of the Year:
God of War

Outstanding Innovation in Gaming
Guitar Hero (P: Red Octane, D: Harmonix)

Outstanding Achievement: Animation
God of War

Outstanding Achievement: Art Direction
Shadow of the Colossus

Outstanding Achievement: Soundtrack
Guitar Hero

Outstanding Achievement: Original Music Composition
God of War

Outstanding Achievement: Sound Design
God of War

Outstanding Achievement: Story and Character Development
Call of Duty: Big Red One (P: Activision, D: Treyarch)

Outstanding Achievement: Gameplay Engineering ***TIE***
Nintendogs
Guitar Hero

Outstanding Achievement: Online Game Play
Battlefield 2

Outstanding Achievement: Visual Engineering
Shadow of the Colossus

Outstanding Achievement: Game Design
Guitar Hero

Outstanding Character Performance: Male
God of War

Outstanding Character Performance: Female
Jade Empire

Sports Game of the Year
SSX On Tour

First-Person Action Game of the Year
Battlefield 2

Role-Playing Game of the Year
Jade Empire

Fighting Game of the Year
Soul Calibur III

Action/Adventure Game of the Year
God of War

Racing Game of the Year
Need for Speed: Most Wanted

Children's Game of the Year
We Love Katamari

Downloadable Game of the Year
WIK: Fable of Souls

Family Game of the Year
Guitar Hero

Simulation Game of the Year
The Movies

Strategy Game of the Year
Civilization IV

Massively Multiplayer/Persistent World Game of the Year ***TIE***
City of Villains
Guild Wars

Handheld Game of the Year
Nintendogs

Cellular Game of the Year
Ancient Empires II

God of War Rolls DICE [Gamespot]

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