EA and have fully confirmed the release date for the eagerly-awaited first-person sequel 2.

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Portal 2 will be a full length follow-up to one of the most well-received games of this generation and will see the return of the villainous AI GlaDOS with a host of new puzzles and even a new co-op mode.

Valve's Doug Lombardi said: "Portal 2 is Valve's most innovative title in the company's history and will be launched with a first-class launch campaign this April. We're excited to be working with Electronic Arts to deliver this title as we expand our platform to include the and PlayStation 3 platforms."

Portal 2 will be released on April the 21st on PS3, PC, Mac and with Steamworks coming to console for the first time via the PS3.

By Ewan Aiton