Killing Floor (video game)

Killing Floor
DeveloperTripwire Interactive
PublisherTripwire Interactive
Designers
  • John Gibson
  • Alan Wilson
  • William T. Munk II
  • David Hensley
Programmers
  • John Gibson
  • Dayle Flowers
  • Christian Schneider
  • Patrick Childers
ArtistDavid Hensley
ComposerszYnthetic
Dirge
EngineUnreal Engine 2
PlatformsWindows, OS X, Linux
Release
  • Windows
  • May 14, 2009
  • OS X
  • May 5, 2010
  • Linux
  • November 9, 2012
GenreFirst-person shooter
ModesSingle-player, multiplayer

Killing Floor is a cooperative first-person shooter video game developed and published by Tripwire Interactive. It was originally released as an Unreal Tournament 2004 mod in 2005. A full retail release followed on May 14, 2009, for Microsoft Windows, and for OS X on May 5, 2010. A version for Linux was released via Steam in November 2012.

A sequel, Killing Floor 2, was announced on May 8, 2014, and released on November 18, 2016, worldwide. A third entry, Killing Floor 3, was announced in August 2023 at Gamescom.