Full Co-op Trailer (video)

Full Co-op Trailer is a video which was released by Valve on September 10, 2010 in order to promote the co-operative campaign in Portal 2. The video features pre-rendered footage that showcases the gameplay available in Co-op mode, and is accompanied by a number of statements from GLaDOS.

Trivia

 * In the trailer, you see several chambers from the game itself, albeit slightly different, and some chambers that are not in the final game.
 * In one clip in the trailer, an unused version of the hub appears as the two robots walk through it.