The upcoming puzzle editor for Portal 2 has been fully revealed in a new video made by one of its beta testers, ahead of its final release for the PC and Mac on May 8th. More...

The first trailer for the upcoming Portal 2 PC-Mac DLC Perpetual Testing Initiative show how Aperture Science is connecting to the multiverse to make new puzzles. More...

Valve has announced that it will release a new DLC pack for Portal 2 May 8th, the Perpetual Testing Initiative, that will let users create and upload their own Portal 2 puzzles. More...