It's the Team Versus 4 on 4 competitive matchmaking feature Valve has been promising would be added in the game for some time. The update also fixes a couple of bugs in the game but the matchmaking feature is something we know will please fans of the original. Meanwhile, Left 4 Dead 2 is available for pre-load on Steam ahead of its release November 17.
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Boot Disk: Return to Castle Wolfenstein-(10)_thumbnail.jpg "LEGO Harry Potter: Years 1-4 Screenshots")
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