Killing Floor (PC)

Killing Floor is a co-op survival horror first-person shooter taking place in the devasted 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 and police, dropped into these locations with a simple mission: survive long enough to cleanse the area of the failed experiments. The only problem is, these "experience" aren't waiting to be taken out - they're coming for you!

Co-op survival horror gameplay for up to six players against multiple waves of specimens

Persistent Perks system, enables players to convert their in-game achievements into permanent improvements to their character's skills and abilities

Slow-motion “ZEDtime” to better watch those violent creature deaths, even in multiplayer

Ten different monster types trying to eat your face off, armed with everything from teeth and claws, to chainsaws, chainguns and rocket-launchers

Over 20 weapons for the players to chose from, ranging from knives and fire-axes up to pump shotguns, rifles and a flamethrower. Add in a welder, medical tools and body armour to help the players survive

Open, non-linear play areas enable the player to choose where to fight the hordes

Players choose one of seven perks to play with, so they can best balance out a co-op team to survive the horrors

Nine official maps included and more than 100 custom maps created to date!

Fully-configurable, allowing players to change things as simple as the difficulty level or number of creature waves, or go so far as to set up their own favorite waves of monsters

Solo game mode for offline play

Includes SDK for the creation of new levels and mods