Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside of England after a series of cloning experiments for the military goes horribly wrong. You and your friends are members of the military dropped into these locations with a simple mission: Survive long enough to cleanse the area of the failed experiments! Key features: Cooperative Kiling Floor gameplay for up to six players against multiple waves of specimens Persistent Perks system, allowing players to convert their in-game achievements into permanent improvements to their character's skills and abilities + Over 170 Steam Achievements, includingDignity for the deadfor killing 10 enemies feeding on dead teammates' corpses andHot Cross Funfor finishing off 25 burning enemies with a Crossbow Slow-motionZEDtimeto better watch those crucial and violent creature deaths, even in multiplayer Solo game mode for offline play Ten different monster types trying to eat your face off, armed with eve