Left 4 Dead (abbreviated L4D) is a singleplayer and multiplayer cooperative survival horror FPS game developed by Valve Corporation and Turtle Rock Studios. The game was built using Source engine and is available on PC and Xbox 360. During early development, its working title was "Terror Strike." The game puts four human playable or AI-controlled Survivors of an apocalyptic pandemic against Hor...[Read More]
Zombie Panic! Source (ZPS) is a cooperative survival horror Half-Life 2 Modification, the sequel to the popular Half-Life Modification "Zombie Panic". As a member of a party of survivors you find yourself without provisions or any military support. Fending off the undead has never been more difficult, but with a large variety of fire arms, explosives, and unique items, the task is not impossible.