IGN ha tenido a bien elaborar un completo listado de los juegos y compañías que han confirmado su presencia en tan importante evento. 
2K Games
Mafia II (PC, PS3, X360)
Sid Meier’s Civilization V (PC)
Spec Ops: The Line (PC, PS3, X360)
Sid Meier’s Civilization V (Digital Deluxe Edition) (PC)
Spec Ops: The Line (PC, PS3, X360)
XCOM (PC, X360)
505 Games
Grease (DS, Wii)
Naughty Bear (PS3, X360)
Anaconda
Gray Matter (PC)
BigPoint
Battlestar Galactica Online (Webgame)
cdv Software Entertainment
Divinity II: Ego Draconis (PC, X360)
Divinity II: Flames of Vengeance (PC, X360)
D3 Publisher
Ben 10 Ultimate Alien: Cosmic Destruction (DS, PSP, X360)Ben 10: Ultimate Alien (Wii)
DTP (Digital Entertainment Pool)
Drakensang: Phileasson’s Secret (PC)
DreamCatcher Interactive
Arcania: Gothic IV (PC, PS3, X360)
Electronic Arts
Bulletstorm (PC, PS3, X360)
Dead Space 2 (PC, PS3, X360)
EA Sports MMA (PS3, X360)
NBA Jam (Wii)
EA Sports Active 2.0 (Wii)
FIFA 11 (DS, PC, PS3, PSP, Wii, X360)
Madden NFL 11 (PS3, PSP, Wii, X360)
Medal of Honor (PC, PS3, X360)
NBA Live 11 (PS3, PSP, X360)
NCAA Football 11 (PS2, PS3, PSP, X360)
NHL 11 (PS3, X360)
Tiger Woods PGA Tour 11 (PS3, Wii, X360)
En Masse Entertainment
Tera (PC)
Hudson Soft
Deca Sports 3 (Wii)
KOEI
Trinity: Souls of Zill O’ll (PS3)
Warriors: Legends of Troy (PS3, X360)
Konami
Castlevania: Lords of Shadow (PS3, X360)
Def Jam Rapstar (PS3, Wii, X360)
Metal Gear Solid: Peace Walker (PSP)
N3: Ninety-Nine Nights II (X360)
Rocket Knight (PC, PS3, X360)
Rush’N Attack Ex-Patriot (PS3, X360)
Saw II: The Videogame (PS3, X360)
The Cages: Pro Style Batting Practice (Wii)
LucasArts
LEGO Star Wars III: The Clone Wars (DS, PC, PS3, PSP, Wii, X360)
Monkey Island 2: LeChuck’s Revenge — Special Edition (PC, PS3, X360)
Star Wars: The Force Unleashed II (DS, PC, PS3, PSP, Wii, X360)
Star Wars: The Old Republic (PC)
MTV Games
Rock Band 3 (PS3, Wii, X360)
Majesco
Crafting Mama (DS)
Greg Hastings Paintball 2 (PS3, Wii, X360)
Swords (Wii)
Zumba Fitness (tba)
Microsoft
Fable III (X360)
Gears of War 3 (X360)
Halo: Reach (X360)
Project Natal (X360)
Namco Bandai
Ace Combat: Joint Assault (PSP)
Clash of the Titans (PS3, X360)
Dragon Ball: Origins 2 (DS)
Enslaved (PS3, X360)
Naruto: Ultimate Ninja Storm 2 (PS3, X360)
Splatterhouse (PS3, X360)
Natsume
Gabrielle’s Ghostly Groove (DS)
Nexon
Dragon Nest (PC)
Dungeon Fighter Online (PC)
Vindictus (Webgame)
Paradox Interactive
Commander — Conquest of the Americas (PC)
Lionheart: Kings’ Crusade (PC)
Ship Simulator 2010: Extremes (PC)
Victoria 2 (PC)
Perfect World Entertainment
Battle of the Immortals (PC)
Forsaken World (PC)
Heroes of Three Kingdoms (PC)
Sony Computer Entertainment
EyePet: Your Virtual Pet (PS3)
God of War: Ghost of Sparta (PSP)
Gran Turismo 5 (PS3)
Hot Shots Tennis: Get a Grip (PSP)
Invizimals (PSP)
Move Party (PS3)
SOCOM 4: U.S. Navy SEALs (PS3)
Slider (PS3)
TV SuperStars (PS3)
The Fight: Lights Out (PS3)
The Shoot (PS3)
Sony Online Entertainment
Free Realms (PC, PS3)
THQ
Homefront (PC, PS3, X360)
The Last Airbender: The Movie (DS, Wii)
UFC Undisputed 2010 (PS3, PSP, X360)
WWE Online (PC)
WWE SmackDown vs. Raw 2011 (PS3, X360)
Warhammer 40,000 MMO Project [untitled] (PC)
Warhammer 40,000: Space Marine (PS3, X360)
Tecmo KOEI
Quantum Theory (PS3, X360)
Trinity: Souls of Zill O’ll (PS3)
Warriors: Legends of Troy (PS3, X360)
Trion Worlds
End of Nations (PC)
Rift: Planes of Telara (PC)
Warner Bros. Interactive
Batman: The Brave and the Bold (DS, Wii)
Cats & Dogs: The Revenge of Kitty Galore (DS)
F.E.A.R. 3 (PC, PS3, X360)
LEGO Harry Potter: Years 1-4 (DS, PC, PS3, PSP, Wii, X360)
Scribblenauts 2 (DS)
The Lord of the Rings: Aragorn’s Quest (DS, PS3, PSP, Wii)The Lord of the Rings: War in the North (PC, PS3, X360)
