Killing Floor - a cooperative horror shooter for survival with a first-person view, which unfolds on the streets of abandoned cities and suburbs of Britain shortly after the failed experiment to create and clone the "super-soldier." You and your comrades - members of the armed forces, dropped into these places with a simple task - to survive as long as possible, clearing the landing zone from the consequences of a failed experiment!

-Cooperative gameplay - six players against countless mutants
-System of improvements, allowing to use online achievements to improve the skills of the hero
-More than 170 achievements, such as "Respect for Death", awarded for the killing of 10 monsters devouring the corpses of your teammates or "Hot Spirits," for killing 25 burning monsters from a crossbow
- The function of time slowing "ZEDtime", allowing you to see in detail the game moments, even in multiplayer
-Single game mode "in one"
- Ten kinds of monsters, concerned only with tearing your head. In addition to jaws and claws, these offspring can be armed with chainsaws, machine guns or even a grenade launcher
-Wide, having more than thirty-three types of weapons, the choice of weapons - from knives and fire ax to shotgun, rifles and flamethrower
-Welding tools, medical products and armor, designed to facilitate survival
-The system of improvements. You can choose those that will help you counter countless mobs of mutants or just be helpful to your team
-Open, non-linear game world: you are free to choose where and when to fight or retreat. Brew the doors to make the monsters go around the narrow corridors
-Full customization, allowing players to change the complexity level, the number of waves, or even expose their own, composed of favorite monsters
-Support for Steam and Steamworks functionality
-Complete of materials for creating new levels and mods

System Requirements (PC)

Minimal:
OS: Windows XP / Vista
Processor: 1.2 GHz or better
Video card: with 64 MB of video memory, compatible with DX9
Hard disk: 2 GB of free space
Sound card: compatible with DX 8.1

Recommended:
OS: Windows XP / Vista
Processor: 2.4 GHz or better
Memory: 2 GB
Video card: with 128 MB of video memory; Compatible with DX9, with support for Pixel Shader 2.0
Sound card: EAX-compatible sound card