Gamasutra reports that Portal and Bioshock lead this years list of nominees for the Game Developers Choice Awards.

Other multiple nominees for this year’s event include such diverse and notable titles as BioWare’s Mass Effect, Ubisoft’s Assassin’s Creed, Infinite Interactive’s Puzzle Quest: Challenge of the Warlords, Sony Santa Monica’s God of War II, and PopCap’s Peggle.

The Complete List of nominees is:

Best Game Design
BioShock
Call of Duty 4
Mass Effect
Portal
Super Mario Galaxy

Best Visual Art
Assassin’s Creed
Team Fortress 2
Crysis
BioShock
Uncharted: Drake’s Fortune

Best Technology
Halo 3
Crysis
Call of Duty 4
Portal
Assassin’s Creed

Best Writing
Portal
God of War II
Mass Effect
Half-Life 2: Episode 2
BioShock

Best Audio
Call of Duty 4
Everyday Shooter
BioShock
God of War II
Mass Effect

Best Debut
Crackdown (Realtime Worlds)
flOw (ThatGameCompany)
The Witcher (CD Projekt)
Everyday Shooter (Queasy Games)
Aquaria (Bit Blot)

Innovation
Rock Band
Portal
flOw
Peggle
Mass Effect

Best Handheld Game
Puzzle Quest: Challenge of the Warlords
The Legend of Zelda: Phantom Hourglass
Phase
Contra 4
Peggle (for iPod)

Best Downloadable Game
Pac-Man Championship Edition
Everyday Shooter
Peggle
Puzzle Quest: Challenge of the Warlords (XBLA version)
Flow

Game of the Year
BioShock
Call of Duty 4
Portal
Rock Band
Super Mario Galaxy