Portal 2 DLC out Tomorrow
New portal 2 DLC adds new co-op missions, challenge mode and leaderboards
By benjones
Portal 2 will be getting a new free DLC pack, called peer Review, on October 4th on PC, Xbox 360 and PlayStation 3.
The free mission pack will extend Atlas and Peabody's co-op adventure and add a new challenge mode for single player and co-op maps. Leaderboards will also be present allowing you to show off, or maybe not, to all your friends.