These are my personal Game of the Year Awards. These are my opinions, so don't complain about my choices.
Best Voice Acting
Assassin's Creed: Brotherhood (XBox360/PS3)
BioShock 2 (XBox360/PS3/PC)
Enslaved: Odyssey to the West (XBox360/PS3)
Metal Gear Solid: Peace Walker (PSP)
Red Dead Redemption (XBox360/PS3)
Winner: BioShock 2 (XBox360/PS3/PC)
Best Downloadable Game
Cave Story (WiiWare)
LIMBO (XBLA)
Puzzle Quest 2 (XBLA)
Scott Pilgrim vs The World (XBLA/PSN)
Super Meat Boy (XBLA)
Winner: Super Meat Boy (XBLA)
Best Re-Release
BlazBlue: Calamity Trigger Portable (PSP)
Lunar: Silver Star Harmony (PSP)
Pokemon HeartGold/SoulSilver (DS)
Shin Megami Tensei: Persona 3 Portable (PSP)
The Sly Collection (PS3)
Winner: Shin Megami Tensei: Persona 3 Portable (PSP)
Best Sequel
Castlevania: Lords of Shadow (XBox360/PS3)
Just Cause 2 (XBox360/PS3/PC)
Mass Effect 2 (XBox360/PC)
Red Dead Redemption (XBox360/PS3)
Red Steel 2 (Wii)
Winner: Red Dead Redemption (XBox360/PS3)
Best New IP
Bayonetta (XBox360/PS3)
Heavy Rain: The Origami Killer (PS3)
Hexyz Force (PSP)
Resonance of Fate (XBox360/PS3)
Vanquish (XBox360/PS3)
Winner: Bayonetta (XBox360/PS3)
Best Party Game
Dance Central (XBox360 Kinect)
DJ Hero 2 (XBox360/PS3/Wii)
Rock Band 3 (XBox360/PS3/Wii)
Sonic and Sega All-Stars Racing (XBox360/PS3/Wii/DS)
Super Street Fighter IV (XBox360/PS3)
Winner: Rock Band 3 (XBox360/PS3/Wii)
Best Online Game
Assassin's Creed: Brotherhood (XBox360/PS3)
Battlefield: Bad Company 2 (XBox360/PS3/PC)
BlazBlue: Continuum Shift (XBox360/PS3)
Call of Duty: Black Ops (XBox360/PS3/PC/Wii)
Halo: Reach (XBox360)
Winner: Assassin's Creed: Brotherhood (XBox360/PS3)
Best Boss Battles
3D Dot Game Heroes (PS3)
Final Fantasy XIII (XBox360/PS3)
Kingdom Hearts: Birth By Sleep (PSP)
Resonance of Fate (XBox360/PS3)
Sin & Punishment: Star Successor (Wii)
Winner: Resonance of Fate (XBox360/PS3)
Best Story
999: 9 Hours, 9 Persons, 9 Doors (DS)
BioShock 2 (XBox360/PS3/PC)
Final Fantasy XIII (XBox360/PS3)
Heavy Rain: The Origami Killer (PS3)
Kingdom Hearts: Birth By Sleep (PSP)
Winner: Heavy Rain: The Origami Killer (PS3)
Best Sound Design
Battlefield: Bad Company 2 (XBox360/PS3/PC)
BioShock 2 (XBox360/PS3/PC)
Enslaved: Odyssey to the West (XBox360/PS3)
Resonance of Fate (XBox360/PS3)
Transformers: War for Cybertron (XBox360/PS3/PC)
Winner: Battlefield: Bad Company 2 (XBox360/PS3/PC)
Best Original Score
Final Fantasy XIII (XBox360/PS3)
Kingdom Hearts: Birth By Sleep (PSP)
Nier (XBox360/PS3)
Sonic Colors (Wii/DS)
Super Mario Galaxy 2 (Wii)
Winner: Nier (XBox360/PS3)
Best Graphics
BlazBlue: Continuum Shift (XBox360/PS3)
Final Fantasy XIII (XBox360/PS3)
God of War III (PS3)
Kirby's Epic Yarn (Wii)
Naruto Shippuden: Ultimate Ninja Storm 2 (XBox360/PS3)
Winner: Final Fantasy XIII (XBox360/PS3)
Best Sports Game
FIFA Soccer 11 (XBox360/PS3/Wii)
Madden NFL 11 (XBox360/PS3)
MLB 10: The Show (PS3/PSP)
NHL 11 (XBox360/PS3)
NBA 2K11 (XBox360/PS3)
Winner: NBA 2K11 (XBox360/PS3)
Best Strategy Game
Napolean: Total War (PC)
Sid Meier's Civilization V (PC)
StarCraft II: Wings of Liberty (PC)
Warhammer 40,000: Dawn of War II-Chaos Rising (PC)
Valkyria Chronicles II (PSP)
Winner: StarCraft II: Wings of Liberty(PC)
Best Puzzle Game
999: 9 Hours, 9 Persons, 9 Doors (DS)
LIMBO (XBLA)
Professor Layton and the Unwound Future (DS)
Super Scribblenauts (DS)
Trauma Team (Wii)
Winner: 999: 9 Hours, 9 Persons, 9 Doors (DS)
Best Racing Game
Blur (XBox360/PS3/PC)
Gran Turismo 5 (PS3)
Need for Speed: Hot Pursuit (XBox360/PS3/PC)
Sonic and Sega All-Stars Racing (XBox360/PS3/Wii/DS)
Split/Second (XBox360/PS3/PC)
Winner: Need for Speed: Hot Pursuit (XBox360/PS3/PC)
Best Rhythm Game
Dance Central (XBox360 Kinect)
DJ Hero 2 (XBox360/PS3/Wii)
Green Day: Rock Band (XBox360/PS3/Wii)
Guitar Hero: Warriors of Rock (XBox360/PS3/Wii)
Rock Band 3 (XBox360/PS3/Wii)
Winner: Rock Band 3 (XBox360/PS3/Wii)
Best Fighting Game
BlazBlue: Calamity Trigger Portable (PSP)
BlazBlue: Continuum Shift (XBox360/PS3)
Naruto Shippuden: Ultimate Ninja Storm 2 (XBox360/PS3)
Super Street Fighter IV (XBox360/PS3)
Tatsunoko vs Capcom: Ultimate All-Stars (Wii)
Winner: BlazBlue: Continuum Shift (XBox360/PS3)
Best Platformer
Donkey Kong Country Returns (Wii)
Kirby's Epic Yarn (Wii)
Sonic Colors (Wii/DS)
Super Mario Galaxy 2 (Wii)
Super Meat Boy (XBLA)
Winner: Super Mario Galaxy 2 (Wii)
Best Action Game
3D Dot Game Heroes (PS3)
Assassin's Creed: Brotherhood (XBox360/PS3)
Bayonetta (XBox360/PS3)
Monster Hunter Tri (Wii)
Red Dead Redemption (XBox360/PS3)
Winner: Assassin's Creed: Brotherhood (XBox360/PS3)
Best Role-Playing Game
Dragon Quest IX: Sentinels of the Starry Skies (DS)
Final Fantasy XIII (XBox360/PS3)
Kingdom Hearts: Birth By Sleep (PSP)
Mass Effect 2 (XBox360/PC)
Resonance of Fate (XBox360/PS3)
Winner: Final Fantasy XIII (XBox360/PS3)
Best Shooter
Battlefield: Bad Company 2 (XBox360/PS3/PC)
BioShock 2 (XBox360/PS3/PC)
Call of Duty: Black Ops (XBox360/PS3/PC/Wii)
Halo: Reach (XBox360)
Vanquish (XBox360/PS3)
Winner: Halo: Reach (XBox360)
Best PSP Game
God of War: Ghost of Sparta
Hexyz Force
Kingdom Hearts: Birth By Sleep
Shin Megami Tensei: Persona 3 Portable
Valkyria Chronicles II
Winner: Shin Megami Tensei: Persona 3 Portable
Best Nintendo DS Game
999: 9 Hours, 9 Persons, 9 Doors
Dragon Quest IX: Sentinels of the Starry Skies
Pokemon HeartGold/SoulSilver
Professor Layton and the Unwound Future
Sonic Colors
Winner: Dragon Quest IX: Sentinels of the Starry Skies
Best PC Game
Call of Duty: Black Ops
Mass Effect 2
Sid Meier's Civilization V
StarCraft II: Wings of Liberty
World of Warcraft: Cataclysm
Winner: StarCraft II: Wings of Liberty
Best Wii Game
Donkey Kong Country Returns
Kirby's Epic Yarn
Monster Hunter Tri
Sonic Colors
Super Mario Galaxy 2
Winner: Super Mario Galaxy 2
Best PlayStation 3 Game
3D Dot Game Heroes
Assassin's Creed: Brotherhood
Call of Duty: Black Ops
Final Fantasy XIII
Rock Band 3
Winner: Final Fantasy XIII
Best XBox360 Game
Assassin's Creed: Brotherhood
Final Fantasy XIII
Halo: Reach
Mass Effect 2
Rock Band 3
Winner: Mass Effect 2
Game of the Year
Assassin's Creed: Brotherhood (XBox360/PS3)
Final Fantasy XIII (XBox360/PS3)
Mass Effect 2 (XBox360/PC)
StarCraft II: Wings of Liberty (PC)
Super Mario Galaxy 2 (Wii)
Winner: Super Mario Galaxy 2 (Wii)