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!
Killing Floow is on sale right now on steam for $13.99, that’s 30% off of the retail price of $19.99 Get it while it’s on sale.
http://store.steampowered.com/app/1250/
