Set during the aftermath of an apocalyptic pandemic, the game pits its four protagonists-dubbed the 'Survivors'-against hordes of the infected. Development on the game was completed on Novemand was released digitally on Novemand at retail on Novemin the United States and on Novemin Europe.
The game uses Valve's proprietary Source engine, and is available for Windows and the Xbox 360. It was developed by Turtle Rock Studios, which was purchased by Valve Corporation during development. Left 4 Dead is a cooperative first-person shooter video game.
