Valve has announced the release date for its highly anticipated sequel to Portal, Portal 2. The game will be releasing in US, Canada, UK and rest of Europe on February 9, 2011 on the PC, PS3 and Xbox 360. The announcement was made by GTTV host Geoff Keighley via twitter. It has also been confirmed that The Office actor and co-writer Stephen Merchant will be a part of the upcoming game, by lending his vocal talents to voice Wheatley.
Some new gameplay footage via gamescom has also been made available which you can check out below,