For detailed information about this series, see: KF Wiki
Killing Floor is a series of first person shooter games by Tripwire Interactive.
Killing Floor (2005) for PC
Killing Floor 2 (March 2015) for PC and PS4
Links to other series
|The Ball||October 18, 2010||Harchier Spebbington from The Ball is a hidden character in Killing Floor.||1
|Team Fortress||December 13, 2010||Team Fortress 2 features two promotional items based on Killing Floor and unlocked by pre-ordering the game and later Pyro is a hidden character in Killing Floor.||1
|Portal||April 12, 2011||Aperture Science is a based map added during the April 12th update following the Potato Fools Day event and later in Portal 2 features a flag item with the Killing Floor logo on it.||1|