Killing Floor Steam Altergift

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! Features Cooperative gameplay for up to six players against multiple waves of specimens Persistent Perks system, allowing players to convert their in-ga...