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Killing Floor

Game overview

Killing Floor

Tripwire Interactive · May 14, 2009

6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

FPS Zombies Co-op Survival Horror
Last tracked players
243
All-time peak
422
24-hour change
Unavailable
Steam reviews
94.9% positive
67,472 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
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
Media gallery 39 screenshots · 0 videos
Killing Floor game capsule image

Screenshots

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Player activity

Concurrent players over the last 48 hours.

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Price history

Last 30 days ? prices in the selected region?s currency.

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Latest news

All news on Steam ↗
Entire Killing Floor Franchise on Sale for Charity! Tripwire Publisher Midweek, Save 50% to 75%! Tripwire Publisher Midweek, 50 - 85% off% Off
System requirements Windows · macOS · Linux

Windows

Minimum

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

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

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

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
Game details Languages, features & support
Publisher
Tripwire Interactive
Brazilian rating
16
Steam Germany rating
18
Achievements
285
Metacritic
72
Features
Single-player, Multi-player, Co-op, Cross-Platform Multiplayer, Steam Achievements, Steam Trading Cards, Steam Workshop, Valve Anti-Cheat enabled, Stats, Includes level editor, Family Sharing
Languages
English*, French*, Italian*, German*, Spanish - Spain*, Hungarian, Polish, Russian*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
Input
Controller support: unknown
Structured language support (8)
LanguageInterfaceFull audioSubtitles
EnglishYesYesNo
FrenchYesYesNo
ItalianYesYesNo
GermanYesYesNo
Spanish - SpainYesYesNo
HungarianYesNoNo
PolishYesNoNo
RussianYesYesNo
Steam store page fresh · checked 2026-10-02 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
Achievement progress Rarity & completion patterns

Achievement Difficulty

Global unlock percentages are not exact completion or retention metrics.

Steam source
Achievements measured
285
Hunter score
94.6 / 100
SteamIQHQ inference from rarity and count
Progression analysis
Achievement rarity is available, but milestone order is not defensible.

Rarest achievements

Grotto of Terror 1.8%
Hangover from Hell 1.8%
Hollow of Horror 1.8%
Burned out 1.9%
King 1.9%

Difficulty distribution

Ultra rare (<1%)0
Very rare (1–5%)177
Rare (5–20%)84
Uncommon (20–50%)21
Common (50%+)3
Observed Nov 09, 2026 02:15 UTC · fresh
More analysis Activity patterns, updates & developer tools

Build a competitor report

Game Insights

Buy Verdict

Wait — $19.99.

Wait for upcoming sale in ~13 days for potentially better pricing.

▬ ~13 days until next sale

Value Score

Fair Value — 69th percentile.

Price-to-player ratio ranks in the 69th percentile. Priced as Market at $19.99.

▬ Market pricing tier

Genre Benchmarks

Player Count Top 22%
Value Ratio Top 31%

Activity Heatmap

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422
Peak Activity
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Avg Activity
18
Active Hours
12%
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Developer Analytics

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Frequently Asked Questions

Is Killing Floor worth buying right now?
Wait — $19.99. Wait for upcoming sale in ~13 days for potentially better pricing.
When does Killing Floor go on sale?
Wait for upcoming sale in ~13 days for potentially better pricing.
Is Killing Floor free to play?
Killing Floor costs $19.99 on Steam.
What genre is Killing Floor?
Killing Floor is a Action game.
Who developed Killing Floor?
Killing Floor was developed by Tripwire Interactive and published by Tripwire Interactive.
What platforms does Killing Floor support?
Available on Steam for Windows, macOS, Linux.

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