Killing Floor

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Killing Floor
Release dates
May 14, 2009
May 5, 2010
November 9, 2012
Killing Floor at SteamDB
 Killing Floor at Wikipedia
Killing Floor
Killing Floor 2009
Killing Floor 2 2015

Key points

Advantage Works well on low end computers
Advantage Steam Workshop integration.
Advantage Game manual is located in <path-to-game>/Help

General information

More information Official game site
More information Unofficial Killing Floor Wiki
More information Steam Community Discussions
More information Steam Users' Forums


Source DRM Notes Keys Availability Table Icons - Steam.svg
GamersGate Availability Table Icons - Steam.svg
Green Man Gaming Availability Table Icons - Steam.svg
Humble Store Availability Table Icons - Steam.svg
Steam Availability Table Icons - Steam.svg
Information All versions require Steam.

Downloadable content (DLC) and expansions

Name Notes
Reggie the Rocker Character Pack WindowsLinuxOS X
Community Weapons Pack 3 - Us Versus Them Total Conflict Pack WindowsLinuxOS X
Camo Weapon Pack WindowsLinuxOS X
Community Weapon Pack 2 WindowsLinuxOS X
Golden Weapon Pack 2 WindowsLinuxOS X
Mrs Foster Pack WindowsLinuxOS X
Golden Weapons Pack WindowsLinuxOS X
Robot Special Character Pack WindowsLinuxOS X
Community Weapon Pack WindowsLinuxOS X
The Chickenator Pack WindowsLinuxOS X
Ash Harding Character Pack WindowsLinuxOS X
Harold Lott Character Pack WindowsLinuxOS X
Urban Nightmare Character Pack WindowsLinuxOS X
Steampunk Character Pack 2 WindowsLinuxOS X
Steampunk Character Pack WindowsLinuxOS X
London's Finest" Character Pack WindowsLinuxOS X
PostMortem Character Pack WindowsLinuxOS X
Nightfall Character Pack WindowsLinuxOS X
Outbreak Character Pack WindowsLinuxOS X
Neon Character Pack WindowsLinuxOS X
Neon Weapon Pack WindowsLinuxOS X

Game data[edit]

In-game general settings.
In-game HUD settings.
Information Save games are hosted in the Steam Cloud and thus unreachable from your computer.[1]

Configuration file(s) location[edit]

Windows <path-to-game>\System\
OS X ~/Library/Application Support/Killing Floor/
Linux ~/.killingfloor/
Information KillingFloor.ini stores audio, general, network, video settings
Information User.ini stores button bindings, FoV, HUD configuration
Disadvantage This game does not support the XDG Base Directory Specification on Linux.

Save game cloud syncing[edit]

System Native Notes
Steam Cloud Native support Only syncs saves.
GameSave Manager Native support

Video settings[edit]

In-game video settings.
Graphics option Option WSGF Notes
Widescreen resolution Native support WSGF WS Silver.svg
Multi-monitor Hackable WSGF MM Silver.svg
Field of view (FOV) Hackable Using the console type in fov # where # is your degree of FOV[2]
Windowed Native support
Borderless fullscreen windowed Hackable Use Full Window with default settings. (Does not achieve true borderless, but will achieve a similar effect as full-screen borderless window)
Anisotropic filtering (AF) Native support
Anti-aliasing (AA) Native support
Vertical sync (Vsync) Native support
60 FPS Native support
120+ FPS No native support Frame rate in multiplayer is locked to 91 FPS. It seems to be unlocked in singleplayer.

Input settings[edit]

In-game control settings.
In-game key map settings.
Keyboard and mouse Native Notes
Remapping Native support
Mouse acceleration Native support
Mouse input in menus Native support
Mouse Y-axis inversion Native support
Controller support Native support
Full controller support No native support
Controller remapping Hackable Needs to be mapped via User.ini.
Controller Y-axis inversion Hackable Needs to be set via User.ini.

Audio settings[edit]

In-game audio settings.
Audio options Native Notes
Separate volume controls Native support Effects, music, voice chat
Surround sound Native support Auto configures up to 7.0 output[3]
Subtitles No native support
Closed captions No native support
Mute on focus lost No native support
EAX support Native support EAX 3[4]


Language UI Audio CC Notes
English Native support Native support No native support
French Native support Native support No native support
German Native support Native support No native support
Hungarian Native support Unknown Unknown
Italian Native support Native support No native support
Polish Native support Unknown Unknown
Russian Native support Native support No native support
Spanish Native support Native support No native support


Multiplayer types

Type Native Players Notes
LAN play Native support 6 Co-op
Online play Native support 6 Co-op
Hackable to higher number of players.[citation needed]

Connection types

Type Native Notes
Matchmaking No native support
Peer-to-peer Native support
Dedicated Native support
Self-hosting Native support See this forum post for information on hosting a Killing Floor server on Windows.
Direct IP Native support Open the console (~) and enter open followed by the IP and port.


Protocol Port(s) and/or port range(s)
TCP (outbound) 8075, 28852
UDP (outbound) 7707, 7708, 7717, 20560, 28852
Information Another setting you might have to deal with when hosting a listen server in your killingfloor.ini is 'ServerBehindNAT=False' Set it to True

Issues fixed[edit]

Crash to desktop[edit]

Fix Enable Compatibility for Killing Floor.exe

  1. Go into System in the installation folder.
  2. Right-click Killing Floor.exe and choose Properties.
  3. Go to the Compatibility tab.
  4. Check the boxes next to Disable visual themes and Disable desktop composition.


Fix Use the -windowed property

  1. Find Killing Floor in your Steam Library
  2. Right click on game and select Properties
  3. Select Set Launch Options
  4. Enter -windowed into the dialogue.
  5. Click OK
  6. Start the game and it should be fixed
Information Once the game starts, you can then maximize the window to play full screen
Information This issue can also be caused by playing the game in a non-native resolution, meaning the pixel size your screen is set at.

No Online Games/0 Servers from Master list[edit]

Fix Delete your ClientRegistry.blob file

  1. Exit Steam.
  2. Go to C:\Program Files (x86)\Steam
  3. Delete ClientRegistry.blob
  4. Open Steam again and relaunch the game.

Re-enable gore[edit]

Information Depending on your version of the game, Killing Floor can have gore disabled. This fix re-enables gore.

Fix Delete your ClientRegistry.blob file

  1. Start the game at least once, so it can create all configuration files.
  2. Go to the installation folder and open System\KillingFloor.ini
  3. Search for the line [Engine.Engine]
  4. Add bdevgoreoverride=True on a new line at the bottom of the [Engine.Engine] configuration block.
  5. Save the file, restart Steam and enjoy your uncut game.

Other information[edit]


Technical specs Supported Notes
Direct3D 8, 9
OpenGL 2.1
Shader Model support 2
64-bit executable Native support OS X and Linux only.[citation needed]


Middleware Notes
Physics Karma
Audio Miles Sound System, OpenAL, Speex
Cutscenes Bink Video
Multiplayer Steamworks

Console commands[edit]

Information The full list of console commands available for Killing Floor is listed on the "Console Commands" page on the Killing Floor Wiki.

System requirements[edit]

Minimum Recommended
Operating system (OS)
XP, Vista
Processor (CPU) 1.2 GHz 2.4 GHz
System memory (RAM) 512 MB 1 GB
Hard disk drive (HDD) 2 GB 5.5 GB
Video card (GPU) 64 MB of VRAM
DirectX 9 compatible
128 MB of VRAM
DirectX 9 compatible
Operating system (OS) 10.5.8, 10.6.3
Processor (CPU) Intel
System memory (RAM)
Hard disk drive (HDD) 2 GB
Video card (GPU) Nvidia
Minimum Recommended
Operating system (OS)
Ubuntu 12.04
Processor (CPU) 1.2 GHz 2.4 GHz
System memory (RAM) 1 GB 2 GB
Hard disk drive (HDD)
2 GB
Video card (GPU)
Information While Intel GPUs are not supported, the game is playable with one.


  1. Killing Floor Save Data - Killing Floor Support Forum
  2. FOV change? - Steam Users' Forums for Killing Floor
  3. PC Gaming Surround Sound Round-up
  4. 3D audio vs H/W 3D Audio vs +EAX - Epic Games Forums