Left 4 Dead Crash Course DLC is out, Priced Incorrectly, Achievements Revealed
Left 4 Dead's first co-op campaign addition has been released today, about six weeks before the game's first sequel is set to be released. Titled Crash Course, the DLC is a four player co-op campaign and versus mode all rolled into one. It takes place between the Mercy Hospital mission and Death Toll as the survivors helicopter crashes after rescue.