Fixes & Performance

Killing Floor Fixes (PC Gaming Wiki)

Problem solutions and improvements for Killing Floor based on information from PC Gaming Wiki.

Killing Floor Display settings menu The Killing Floor Display menu: render device, resolution and detail levels. Screenshot: PCGamingWiki.

Problems and Fixes

Display Issues

Problem: Low resolution or incorrect aspect ratio

Solution:

  • Open KillingFloor.ini in the System folder
  • Find the [WinDrv.WindowsClient] section
  • Set correct values for FullscreenViewportX and FullscreenViewportY
  • Or use settings in the game menu

Problem: Display issues on widescreen monitors

Solution:

  • Use game settings to set the correct resolution
  • Check graphics card settings for scaling

Audio Issues

Problem: No sound or audio problems

Solutions:

  1. Check sound settings in the game
  2. Make sure sound card drivers are updated
  3. Check Windows settings for the audio device
  4. Try changing settings in KillingFloor.ini in the [ALAudio.ALAudioSubsystem] section

Performance Issues

Problem: Low FPS or lag

Solutions:

  1. Reduce graphics settings in the game
  2. Update graphics card drivers
  3. Close background programs
  4. Use optimization settings from the optimization guide

Network Issues

Problem: High ping or connection problems

Solutions:

  1. Check internet connection
  2. Make sure firewall is not blocking the game
  3. Check router settings
  4. Try connecting to servers with lower ping

Controller Issues

Problem: Game doesn't recognize controller

Solutions:

  1. Make sure the controller is connected and recognized by Windows
  2. Check settings in the game
  3. Use programs to emulate keyboard/mouse (e.g., x360ce)

Improvements

Skip Intro Video

To skip the intro video when launching the game:

  1. Open KillingFloor.ini in the System folder
  2. Find the line LocalMap=KFIntro.rom
  3. Replace with LocalMap=NoIntro.rom (create an empty NoIntro.rom file in the Maps folder)
  4. Or use the ready-made file from the optimization guide

Skip Killing Floor 2 Trailer

If a Killing Floor 2 trailer is shown when launching:

  1. Open KillingFloor.ini
  2. Find the [KFMod.KFGameType] section
  3. Add or change the parameter bSkipKF2Trailer=True

Configuration File Location

Configuration files are located in:

  • Windows: %USERPROFILE%\Documents\My Games\KillingFloor\System\
  • Steam: Steam\steamapps\common\killingfloor\System\

Main files:

  • KillingFloor.ini — main game settings
  • User.ini — user settings and key bindings
  • Default.ini — default settings

Save Game and Cloud Syncing

Killing Floor supports cloud syncing through Steam:

  • Saves are automatically synced with Steam cloud
  • Perk progression data is stored on servers
  • Local saves are located in the System folder

Video: Multi-monitor and Borderless Mode

Multi-monitor Issues

If you experience issues with multiple monitors, see the dual monitor issue guide.

Borderless Fullscreen Mode

To enable borderless fullscreen mode:

  1. Open KillingFloor.ini
  2. Find the [WinDrv.WindowsClient] section 
    FullscreenViewportX=1920
FullscreenViewportY=1080
WindowedViewportX=1920
WindowedViewportY=1080
StartInFullscreen=False

Input: Make Walk Toggle

To make walking toggleable instead of holding the key:

  1. Open User.ini
  2. Find the walk key binding (usually WALK)
  3. Change to ToggleWalk instead of Walk
SET INPUT WALK TOGGLEWALK

Audio: Localization

The game supports multiple languages:

  • Language can be changed in Steam settings
  • Russian localization is available through community patches
  • Localization files are located in the System folder (.int files)

Network: Multiplayer

Multiplayer Type

  • Cooperative: Up to 6 players against waves of zombies
  • Online: Through Steam
  • Local Network: Through LAN

Connection Type

  • Steam: Main connection method
  • Direct IP: Direct connection by IP address

Ports

To host a server, you need to open ports:

  • UDP 7707-7708: Main game ports
  • UDP 20560: Additional port for some servers
  • UDP 7777: Alternative port

Performance Improvements

  • Use settings from the optimization guide
  • Update graphics card drivers
  • Close unnecessary background programs

Compatibility Improvements

  • Run the game in Windows XP compatibility mode (if necessary)
  • Use latest versions of DirectX and Visual C++
  • Update the operating system

Sources