Killing Floor

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Killing Floor
Release dates
May 14, 2009
May 5, 2010
November 9, 2012
Killing Floor at Steam Charts
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
Humble Store Availability Table Icons - Steam.svg
Steam Availability Table Icons - Steam.svg
Information All versions require Steam.

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 Only syncs saves.
GameSave Manager Native

Video settings[edit]

In-game video settings.
Graphics option Option WSGF Notes
Widescreen resolution Native 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
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
Anti-aliasing (AA) Native
Vertical sync (Vsync) Native
High frame rate Impossible 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
Mouse acceleration Native
Mouse input in menus Native
Mouse Y-axis inversion Native
Controller support Native
Full controller support Impossible
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 Effects, music, voice chat
Surround sound Native Auto configures up to 7.0 output[3]
Subtitles Impossible
Closed captions Impossible
Mute on focus lost Impossible
EAX support Native EAX 3[4]


Language UI Audio CC Notes
English Native Native Impossible
French Native Native Impossible
German Native Native Impossible
Hungarian Native Unknown Unknown
Italian Native Native Impossible
Polish Native Unknown Unknown
Russian Native Native Impossible
Spanish Native Native Impossible


Multiplayer types

Type Native Players Notes
LAN co-op Native 6
Online co-op Native 6 Hackable to higher number of players.

Connection types

Type Native Notes
Matchmaking Impossible
Peer-to-peer Native
Dedicated Native
Self-hosting Native See this forum post for information on hosting a Killing Floor server on Windows.
Direct IP Native 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

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 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