Tripwire Interactive

Killing Floor

Game First reported release

Game details

First release year
2009

Platforms

Genres

Play modes

  • co-op mode
  • single-player video game
  • multiplayer video game

Players by platform

  • Microsoft Windows*
    Maximum players (mode unspecified)
    6*

Content classifications

  • ESRB · Microsoft Windows*
    Classification
    M - Mature*

Series

  • Killing Floor

Engines

  • Unreal Engine 2.5

Localized titles

  • Killing Floor

Steam version platforms

  • Windows*
    Supported
    Yes*
  • macOS*
    Supported
    Yes*
  • Linux*
    Supported
    Yes*

Store genres

  • Action*

Game 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*

Interface languages

  • English*
    Full audio
    Yes*
  • French*
    Full audio
    Yes*
  • Italian*
    Full audio
    Yes*
  • German*
    Full audio
    Yes*
  • Spanish - Spain*
    Full audio
    Yes*
  • Hungarian*
  • Polish*
  • Russian*
    Full audio
    Yes*

Audio languages

  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Russian*

Community tags · historical

  • FPS*
    Votes · historical
    1,721*
  • Zombies*
    Votes · historical
    1,677*
  • Co-op*
    Votes · historical
    1,574*
  • Survival*
    Votes · historical
    1,244*
  • Horror*
    Votes · historical
    1,108*
  • Multiplayer*
    Votes · historical
    1,074*
  • Action*
    Votes · historical
    1,074*
  • Online Co-Op*
    Votes · historical
    968*
  • Violent*
    Votes · historical
    874*
  • Gore*
    Votes · historical
    852*
  • Shooter*
    Votes · historical
    788*
  • Team-Based*
    Votes · historical
    588*
  • First-Person*
    Votes · historical
    521*
  • Survival Horror*
    Votes · historical
    422*
  • Moddable*
    Votes · historical
    378*
  • Bullet Time*
    Votes · historical
    325*
  • Class-Based*
    Votes · historical
    322*
  • 3D*
    Votes · historical
    320*
  • Singleplayer*
    Votes · historical
    319*
  • Dark Comedy*
    Votes · historical
    316*

System requirements

  • Linux · Minimum*
    Operating system
    Ubuntu 12.04 LTS, fully updated*
    Processor alternatives
    1.2 GHZ or Equivalent*
    Memory
    1 GB RAM*
    Graphics alternatives
    Nvidia, ATI, or Intel GPU with hardware-accelerated drivers*
    Storage
    2 GB free hard drive space*
  • macOS · Unspecified tier*
    Operating system
    OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.*
    Processor alternatives
    Intel Mac*
    Graphics alternatives
    Nvidia or ATI GPU (Intel GPUs unsupported)*
  • Windows · Minimum*
    Operating system
    Windows XP/Vista*
    Processor alternatives
    1.2 GHZ or Equivalent*
    Memory
    1 GB RAM*
    Graphics alternatives
    64 MB DX9 Compliant*
    Storage
    2 GB free hard drive space Sound: DX 8.1 Compatible Audio*
  • Windows · Recommended*
    Graphics alternatives
    128 MB DX9 Compliant with PS 2.0 support*
    Memory
    2 GB*
    Processor alternatives
    2.4 GHZ or Equivalent*
  • Windows · Recommended memory · 2026-06-27*
    Memory
    2 GB*

Compatibility and community reports

  • Steam Deck*
    Compatibility category
    Playable*
  • Linux · Community reports · 2026-06-27*
    Community Linux compatibility tier
    Platinum*
    Reports
    57*
    Community confidence
    strong*
  • Steam Deck · 2026-06-27*
    Compatibility category
    Playable*

Studios & publishers

Developers

  • Tripwire Interactive

Publishers

  • Tripwire Interactive

Release history

  • 2009-05-14
    Date precision
    Exact date
  • 2009-05-14 · Microsoft Windows*
    Release date
    2009-05-14*
    Date precision
    Exact date*
    Platform
    Microsoft Windows*

Store release history

  • Steam*
    Release date
    May 14, 2009*

System configuration

Detailed specifications

Specifications 1 · 2 fields
Steam Deck compatibility
Playable*
Steam Deck compatibility
Steam Deck
Compatibility category
Playable*
Specifications 2 · 14 fields
Windows minimum processor requirement
1.2 GHZ or Equivalent*
Windows minimum graphics requirement
64 MB DX9 Compliant*
Windows minimum memory requirement
1* GB
Name
Killing Floor*
Windows recommended processor requirement
2.4 GHZ or Equivalent*
Windows recommended graphics requirement
128 MB DX9 Compliant with PS 2.0 support*
Windows recommended memory requirement
2* GB
Release year
2,009*
Windows minimum processor requirement
Windows · Minimum
Processor alternatives
1.2 GHZ or Equivalent*
Windows minimum graphics requirement
Windows · Minimum
Graphics alternatives
64 MB DX9 Compliant*
Windows minimum memory requirement
Windows · Minimum
Memory
1 GB*
Windows recommended processor requirement
Windows · Recommended
Processor alternatives
2.4 GHZ or Equivalent*
Windows recommended graphics requirement
Windows · Recommended
Graphics alternatives
128 MB DX9 Compliant with PS 2.0 support*
Windows recommended memory requirement
Windows · Recommended
Memory
2 GB*
Specifications 3 · 7 fields
Developers · Microsoft Windows
Tripwire Interactive
Tripwire Interactive*
ESRB classification · Microsoft Windows
ESRB · Microsoft Windows
Classification
M - Mature*
Genres · Microsoft Windows
horror game
horror game*
shooter game
shooter game*
Maximum players (mode unspecified) · Microsoft Windows
Microsoft Windows
Maximum players (mode unspecified)
6*
Platform
Microsoft Windows
Microsoft Windows*
Publishers · Microsoft Windows
Tripwire Interactive
Tripwire Interactive*
Release date · Microsoft Windows
2009-05-14 · Microsoft Windows
Release date
2009-05-14*
Date precision
day*
Platform
Microsoft Windows*
Specifications 4 · 36 fields
Achievements · historical
285*
Mean playtime over the reported two-week window (historical)
2,117* min
Mean playtime since March 2009 (historical)
1,789* min
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*
Developers
  • Tripwire Interactive*
DLC count · historical
21*
Estimated ownership range (historical)
2000000 - 5000000*
Audio languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Russian*
Store genres
  • Action*
Linux support · historical
Yes*
macOS support · historical
Yes*
Median playtime over the reported two-week window (historical)
4,011* min
Median playtime since March 2009 (historical)
284* min
Metacritic score
72*
Name
Killing Floor*
Negative reviews · historical
3,448*
Peak ccu
224*
Positive reviews · historical
64,024*
Price (historical; currency unreported)
4.99*
Publishers
  • Tripwire Interactive*
Recommendations
39,382*
Store release date · historical
May 14, 2009*
Store age restriction · historical
17*
Interface languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Hungarian*
  • Polish*
  • Russian*
Game website · historical
http://www.killingfloorthegame.com*
Windows support · historical
Yes*
Features
Single-player
Single-player*
Multi-player
Multi-player*
Co-op
Co-op*
Cross-Platform Multiplayer
Cross-Platform Multiplayer*
Steam Achievements
Steam Achievements*
Steam Trading Cards
Steam Trading Cards*
Steam Workshop
Steam Workshop*
Valve Anti-Cheat enabled
Valve Anti-Cheat enabled*
Stats
Stats*
Includes level editor
Includes level editor*
Family Sharing
Family Sharing*
Developers
Tripwire Interactive
Tripwire Interactive*
Audio languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Russian*
Store genres
Action
Action*
Linux support · historical
Linux
Supported
Yes*
macOS support · historical
macOS
Supported
Yes*
Publishers
Tripwire Interactive
Tripwire Interactive*
Store release date · historical
Steam
Release date
May 14, 2009*
Interface languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Hungarian*
  • Polish*
  • Russian*
Windows support · historical
Windows
Supported
Yes*
Specifications 5 · 21 fields
Mean playtime over the reported two-week window (historical)
25* min
Mean playtime since March 2009 (historical)
1,396* min
Ccu
224*
Developer
Tripwire Interactive*
Historical discount
0* %
Store genres
  • Action*
Historical US original list price
1,999* US cents
Languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Hungarian*
  • Polish*
  • Russian*
Median playtime over the reported two-week window (historical)
25* min
Median playtime since March 2009 (historical)
267* min
Name
Killing Floor*
Negative reviews · historical
3,448*
Estimated ownership range (historical)
2,000,000 .. 5,000,000*
Positive reviews · historical
64,024*
Historical US price
1,999* US cents
Publisher
Tripwire Interactive*
Community tags · historical
  • FPS*
  • Zombies*
  • Co-op*
  • Survival*
  • Horror*
  • Multiplayer*
  • Action*
  • Online Co-Op*
  • Violent*
  • Gore*
  • Shooter*
  • Team-Based*
  • First-Person*
  • Survival Horror*
  • Moddable*
  • Bullet Time*
  • Class-Based*
  • 3D*
  • Singleplayer*
  • Dark Comedy*
Store genres
Action
Action*
Languages
  • English*
  • French*
  • Italian*
  • German*
  • Spanish - Spain*
  • Hungarian*
  • Polish*
  • Russian*
Community tags · historical
FPS
FPS*
Zombies
Zombies*
Co-op
Co-op*
Survival
Survival*
Horror
Horror*
Multiplayer
Multiplayer*
Action
Action*
Online Co-Op
Online Co-Op*
Violent
Violent*
Gore
Gore*
Shooter
Shooter*
Team-Based
Team-Based*
First-Person
First-Person*
Survival Horror
Survival Horror*
Moddable
Moddable*
Bullet Time
Bullet Time*
Class-Based
Class-Based*
3D
3D*
Singleplayer
Singleplayer*
Dark Comedy
Dark Comedy*
Tags votes
FPS
Votes · historical
1,721*
Zombies
Votes · historical
1,677*
Co-op
Votes · historical
1,574*
Survival
Votes · historical
1,244*
Horror
Votes · historical
1,108*
Multiplayer
Votes · historical
1,074*
Action
Votes · historical
1,074*
Online Co-Op
Votes · historical
968*
Violent
Votes · historical
874*
Gore
Votes · historical
852*
Shooter
Votes · historical
788*
Team-Based
Votes · historical
588*
First-Person
Votes · historical
521*
Survival Horror
Votes · historical
422*
Moddable
Votes · historical
378*
Bullet Time
Votes · historical
325*
Class-Based
Votes · historical
322*
3D
Votes · historical
320*
Singleplayer
Votes · historical
319*
Dark Comedy
Votes · historical
316*
Specifications 6 · 30 fields
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*
Developers
  • Tripwire Interactive*
Store genres
  • Action*
Free to play · historical
No*
Linux requirements
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 *
macOS requirements
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) *
Metacritic score
72*
Name
Killing Floor*
Windows requirements
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 *
Platforms
  • windows*
  • mac*
  • linux*
Historical price currency
USD*
Discount percentage (historical)
0*
Historical store price
$19.99*
Publishers
  • Tripwire Interactive*
Recommendations total
39,284*
Coming soon · historical store status
No*
Store release date · historical
May 14, 2009*
Store age restriction · historical
17*
Interface languages
English (full audio), French (full audio), Italian (full audio), German (full audio), Spanish - Spain (full audio), Hungarian, Polish, Russian (full audio)*
Type
game*
Features
Single-player
Single-player*
Multi-player
Multi-player*
Co-op
Co-op*
Cross-Platform Multiplayer
Cross-Platform Multiplayer*
Steam Achievements
Steam Achievements*
Steam Trading Cards
Steam Trading Cards*
Steam Workshop
Steam Workshop*
Valve Anti-Cheat enabled
Valve Anti-Cheat enabled*
Stats
Stats*
Includes level editor
Includes level editor*
Family Sharing
Family Sharing*
Developers
Tripwire Interactive
Tripwire Interactive*
Store genres
Action
Action*
Linux requirements
Linux · Minimum
Operating system
Ubuntu 12.04 LTS, fully updated*
Processor alternatives
1.2 GHZ or Equivalent*
Memory
1 GB RAM*
Graphics alternatives
Nvidia, ATI, or Intel GPU with hardware-accelerated drivers*
Storage
2 GB free hard drive space*
macOS requirements
macOS · Unspecified tier
Operating system
OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.*
Processor alternatives
Intel Mac*
Graphics alternatives
Nvidia or ATI GPU (Intel GPUs unsupported)*
Windows requirements
Windows · Minimum
Operating system
Windows XP/Vista*
Processor alternatives
1.2 GHZ or Equivalent*
Memory
1 GB RAM*
Graphics alternatives
64 MB DX9 Compliant*
Storage
2 GB free hard drive space Sound: DX 8.1 Compatible Audio*
Platforms
Windows
Supported
Yes*
macOS
Supported
Yes*
Linux
Supported
Yes*
Publishers
Tripwire Interactive
Tripwire Interactive*
Store release date · historical
Steam
Release date
May 14, 2009*
Interface languages
  • Hungarian*
  • Polish*
Specifications 7 · 18 fields
Co-op listed on Steam · 2026-06-27
Yes*
Steam Deck compatibility · 2026-06-27
playable*
Store genres
Action*
Local co-op listed on Steam · 2026-06-27
No*
Owners-based popularity rank · 2026-06-27
24*
Community Linux rating confidence · 2026-06-27
strong*
Community Linux report count · 2026-06-27
57*
Community Linux compatibility tier · 2026-06-27
platinum*
PvP listed on Steam · 2026-06-27
No*
Windows recommended RAM · 2026-06-27
2* GB
Steam release year · historical
2,009*
Title
Killing Floor*
Coming soon · historical Steam listing
No*
Co-op listed on Steam · 2026-06-27
Co-op
Co-op*
Steam Deck compatibility · 2026-06-27
Steam Deck · 2026-06-27
Compatibility category
Playable*
Store genres
Action
Action*
Community Linux compatibility tier · 2026-06-27
Linux · Community reports · 2026-06-27
Community Linux compatibility tier
Platinum*
Reports
57*
Community confidence
strong*
Windows recommended RAM · 2026-06-27
Windows · Recommended memory · 2026-06-27
Memory
2 GB*

* Provisional data