Killing Floor

Awesome new game that came out yesturday, i preordered it straight away, 6 player coop in london fighting zombies and zombie like mutations



Cooperative 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 40 Steam Achievements, including “Dignity for the dead” for killing 10 enemies feeding on dead teammates' corpses and “Hot Cross Fun” for finishing off 25 burning enemies with a Crossbow
Slow-motion “ZEDtime” to better watch those crucial and violent creature deaths, even in multiplayer

Solo game mode for offline play



Nine different monster types trying to eat your face off, armed with everything from teeth and claws, to chainsaws, chain-guns and rocket-launchers
12+ weapons for the players to chose from, ranging from knives and fire-axes to pump shotguns, rifles and a flamethrower
Equip your team with welders, medical tools and body armor to help your odds of survival
Choose which Perks to play with to best balance out your co-op team against the horrors
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
Support for Steam Friends and other Steamworks features
Includes SDK for the creation of new levels and mods