The File Extensions Database

.UCL File Extension

  • Developer by: Tripwire Interactive
  • Category: Game Files

What is an .UCL file?

.UCL is Killing Floor System File

Game file used by Killing Floor, a first-person survival horror game; may be part of the original game or a "mutator," which contains a game modification for playing altered content.

NOTE: Killing Floor uses the Unreal Engine.

Programs that open Killing Floor System File
Tripwire Interactive Killing Floor
Tripwire Interactive Killing Floor

How to solve problems with UCL files

  • Associate the UCL file extension with the correct application. On :
    Windows: Right click on any UCL file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.UCL files". Mac: Right click (or Ctrl-click) the UCL file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .UCL is Killing Floor System File. Because only the current version supports the latest UCL file format. Search, therefore, e.g. on the Tripwire Interactive manufacturer website after an available .UCL is Killing Floor System File update.
  • To make sure that your UCL file is not corrupted or virus-infected, get the file again and scan it with antivirus software.