Welcome to the Killing Floor Wikia

Killing Floor is a multiplayer cooperative survival horror franchise developed by Tripwire Interactive and first made available in 2005. Players fight waves of specimen created by the Horzine corporation with the difficulty rising with each wave.

This wiki is a collaborative resource for the game and expansions that anyone can edit. Please be sure to visit our Blog and Forum.

You may also be interested in the KF-Wiki or the official Tripwire Interactive wiki.


KFMod was the original version of Killing Floor, released in 2005 as a mod for Unreal Tournament 2004 which went through several revisions before eventually becoming a full release game.

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Killing Floor was the first full version of the game, released in 2009 for Steam. During it's years of support, ending up with over fifty different playable characters and over thirty different maps. It details the immediate aftermath of the deadly London outbreak.

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In Killing Floor 2 players descend into continental Europe where the outbreak caused by Horzine Biotech’s failed experiment has quickly spread and gained unstoppable momentum, essentially paralyzing the European Union— Just one month after the events in the original KILLING FLOOR, the specimen clones are everywhere and civilization is in disarray; communications have failed, governments have collapsed, and military forces have been systematically eradicated. The people of Europe know survival and self-preservation too well and lucky survivors have gone into hiding.

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Killing Floor 2 - Twisted Christmas Season's Beatings Launch Trailer

Killing Floor 2 - Twisted Christmas Season's Beatings Launch Trailer

Twisted Christmas Season's Beatings