Left 4 dead 2 is a cooperative first-person shooter video game, the sequel to valve corporation's left 4 dead. the game builds upon cooperatively focused gameplay and valve's proprietary source engine, the same game engine used in the original left 4 dead. set during the aftermath of an apocalyptic pandemic, left 4 dead 2 focuses on four new survivors, fighting against hordes of the infected, who develop severe psychosis and exhibit zombie-like tendencies. the survivors must fight their way through five campaigns, interspersed with safe houses that act as checkpoints, with the goal of escape at each campaign's finale.
Relase Date: 2009-11-17