[1] The main highlights of the 2011 show included a demonstration of Sony's next-generation handheld game console, the PlayStation Vita; the official introduction of Nintendo's Wii U home console; and the unveiling of Microsoft's Halo 4.

As in previous years, the conference was dominated by announcements from the three main console manufacturers: Microsoft, Sony and Nintendo.

Tech analysts considered the unveiling of Nintendo's Wii U and its then-unnamed tablet controller to be E3's biggest event,[2] with Sony's PlayStation Vita handheld console also generating considerable press attention.

[citation needed] 2K Games Activision Atlus Bethesda Capcom Crytek Deep Silver Electronic Arts Focus Home Interactive Konami Lionhead Studios LucasArts Microsoft Namco Bandai Natsume Inc. Nintendo Nival Sega Sony Square Enix

Tecmo Koei Traveller's Tales Ubisoft Warner Bros. Wargaming This is a list of major video game exhibitors who made appearances at E3 2011.