This product includes Killing Floor PC. The top 3 reasons to play Killing Floor PC Ten different monster types trying to eat your face off, armed with everything from teeth and claws, to chainsaws, chain-guns and rocket-launchers Open, non-linear play areas: choose when and where to fight — or run; weld doors closed to direct the monster horde down alternate corridors Fully-configurable, allowing players to change the difficulty level, number of creature waves, or even set up their own favorite waves of monsters About Killing Floor PC Killing Floor is a Co-op Survival Horro