Image gallery (1) Add an image Rate 1 2 3 4 5 Total votes: 1 December 17, 2010 - 4:04pm Two brains are better than one! Portal 2 goes co-operative! Download portal2_coop_trailer2.wmv Gaming News More Portal 2 Videos Portal 2 'TV Commercial' Trailer Portal 2 'Boots' Trailer Portal 2 "Co-op" Extended Cinematic Trailer Portal 2 'Stephen Merchant as Wheatley' Trailer Add new comment Your name Subject Comment * CAPTCHAThis question is for testing whether you are a human visitor and to prevent automated spam submissions.
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