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Killing Floor Series
About Killing Floor
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!
- 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 170 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
- Ten different monster types trying to eat your face off, armed with everything from teeth and claws, to chainsaws, chain-guns and rocket-launchers
- 33+ 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 Windows-only SDK for the creation of new levels and mods
Game Specifications
Release date
May 14, 2009 (17 years ago)
Playtime
60 hours
Rating
3.4 (based on 5 sources)
Genre
Play mode
- Single player
- Multiplayer
- Co-operative
Platform
- Linux
- Windows
- Mac
Game engine
Unreal Engine
Age rating
PEGI 18
Publisher
Developer
Website
Languages
English, French, Italian, German, Spanish (Spain), Hungarian, Polish, Russian
Keywords
- Steam
- Steam achievements
- Digital distribution
- Steam workshop
- Modern warfare
- Explosion
- Modern military
- First person shooter
- Achievements
- Online
- Cross-platform multiplayer
- Rock music
- Downloadable content
- Steam trading cards
- Bloody
- Darkness
- Bink video
- Extreme violence
- Melee
- Difficulty level
- Survival horror
- Nudity
- Post-apocalyptic
- Slow-motion
- Steam play
- Apocalypse
- Non-linear storytelling
- Power of friendship
- Bots
- Halloween
- Bullet time
- Dual wielding
- Retail games with steam activation
- Undead invasion
- Gamingator
- Horde mode
- Valve anti-cheat
- Mutants
- Ragdoll physics
- Swarming enemies
- Cameo appearance
- Survival mode
- Novint falcon support
- Strategic dismemberment
- Text dialogue
- Fully customizable controls
- Mp7
- Stalker
System Requirements
Windows
Minimum
- OS *: Windows XP/Vista
- Processor: 1.2 GHZ or Equivalent
- Memory: 1 GB RAM
- Graphics: 64 MB DX9 Compliant
- Hard Drive: 2 GB free hard drive space
- Sound: DX 8.1 Compatible Audio
Recommended
- OS *: Windows XP/Vista
- Processor: 2.4 GHZ or Equivalent
- Memory: 2 GB RAM
- Graphics: 128 MB DX9 Compliant with PS 2.0 support
- Hard Drive: 2 GB free hard drive space
- Sound: Eax Compatible
macOS
Minimum
- OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
- Processor: Intel Mac
- Graphics: Nvidia or ATI GPU (Intel GPUs unsupported)
Linux
Minimum
- OS: Ubuntu 12.04 LTS, fully updated
- Processor: 1.2 GHZ or Equivalent
- Memory: 1 GB RAM
- Graphics: Nvidia, ATI, or Intel GPU with hardware-accelerated drivers
- Hard Drive: 2 GB free hard drive space
Recommended
- OS: Ubuntu 12.04 LTS, fully updated
- Processor: 2.4 GHZ or Equivalent
- Memory: 2 GB RAM
- Graphics: Nvidia, ATI, or Intel GPU with hardware-accelerated drivers
- Hard Drive: 2 GB free hard drive space
Similar Games
Price History
All-Time Low:
G2A.COM
·
October 28, 2026
$1.35
Frequently asked questions about Killing Floor
What is the cheapest price for Killing Floor Steam key?
The cheapest redeemable Steam key currently listed is $1.68 at K4G. Prices were last checked on November 14, 2026.
View key offersWhat is the difference between key and account offers for Killing Floor?
Gamescade currently lists 44 redeemable keys and 2 account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Killing Floor?
Minimum PC requirements for Killing Floor include a 1.2 GHZ or Equivalent CPU, 1 GB RAM, and a GPU with 64 MB DX9 Compliant. See the full requirements below.
What is the Killing Floor release date?
Killing Floor was released on May 14, 2009.
Is Killing Floor single-player, multiplayer, or co-op?
Killing Floor supports Single player, Multiplayer, and Co-operative.
Where can Killing Floor offers be activated?
Current Killing Floor key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
What other games are in the Killing Floor series?
Gamescade lists these related games from the Killing Floor series:
Which platforms have active Killing Floor deals?
Gamescade currently lists active Killing Floor deals for PC.
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