Valve announced today that the new downloadable content that was originally scheduled for the summer release is now available for download.
How much will this DLC cost you? It’s for the absolute low low price of free! It is now ready to download for Xbox 360, PlayStation 3 and will be automatically downloaded for Steam users on PC and Mac.
In “Peer Review”, you and a friend continue the story of loyal bots P-Body and Atlas as you puzzle your way through a mysterious new co-op test track and once again match wits with GLaDOS. The free DLC also features a single player and co-op Challenge Mode, and leaderboards to compare Challenge Mode scores with friends and the Portal communityTo celebrate the release of the free DLC, Portal 2 is now on sale for 50% off on Steam through Thursday at 4pm PT.