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根据北美软件协会、IGN和EA洛杉矶发布的相关消息，E3期间将有以下是部分游戏公司的参展名单（红色字体标示的游戏为该公司重点大作）：Bethesda Softworks
Fallout 3 (PC, PS3, X360)

Capcom
Bionic Commando (PC, PS3, X360)
Bionic Commando Rearmed (PC, PS3, X360)
Capcom Project #1 [untitled] (other)
Capcom Project #2 [untitled] (other)
Dark Void (PC, PS3, X360)
MotoGP 08 (other)
Neopets Puzzle Adventure (PC, Wii)
Plunder (PC, PS3, X360)
Resident Evil 5 (PS3, X360)
Spyborgs (Wii)
Street Fighter IV (PC, PS3, X360)
Super Street Fighter II Turbo HD Remix (PS3, X360)

D3 Publisher
Bangai-O Spirits (DS)
Ben 10: Alien Force -- The Game (DS, PS2, PSP, Wii)
Narut Clash of The Ninja Revolution 2 (Wii)
Narut Path of the Ninja 2 (DS)
Puzzle Quest: Galactrix (DS, PC, X360)

Deep Silver
S.T.A.L.K.E.R.: Clear Sky (PC)

Electronic Arts
Command & Conquer: Red Alert 3 (PC, PS3, X360)
Crysis Warhead (PC)
Dead Space (PC, PS3, X360)
Mercenaries 2: World in Flames (PC, PS3, X360)
Mirror's Edge (PC, PS3, X360)
Skate It (Wii)
Spore (PC)
The Lord of the Rings: Conquest (PC, PS3, X360)
Warhammer Online: Age of Reckoning (PC)

Microsoft
Banjo-Kazooie: Nuts & Bolts (X360)
Fable 2 (X360)
Gears of War 2 (X360)
Halo Wars (X360)
Too Human (X360)
Viva Piñata: Trouble in Paradise (X360)

Namco Bandai
Soulcalibur IV (PS3, X360)

Natsume
Harvest Moon: Island of Happiness (DS)
Harvest Moon: Tree of Tranquility (Wii)

Sony Computer Entertainment
Killzone 2 (PS3)
LittleBigPlanet (PS3)
MotorStorm: Pacific Rift (PS3)
PixelJunk Eden (PS3)
Resistance 2 (PS3)
SIREN: Blood Curse Episode #1 [PSN] (PS3)
SOCOM: Confrontation (PS3)

Valve
Left 4 Dead (PC, X360)

XSEED Games
Little King's Story (Wii)
Valhalla Knights 2 (PSP)