Valve has announced the free DLC update for Portal 2 will release across multiple platforms: Steam, Xbox Live, PSN on October 4th. Which means tomorrow. The free DLC “Peer Review” is available to all owners of Portal 2 via download on Xbox 360, PS3, and will be automatically downloaded via Steam on PC and Mac platforms.
In “Peer Review,” players will rejoin Atlus and P-Body in a new co-op track and match wits with GlaDOS. The DLC features single player, co-op Challenge Mode, and leaderboards. For more information, visit http://thinkwithportals.com/ for the final installment of Portal 2’s soundtrack, Music to Test By.
