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Killing Floor (video game)

2009 video game

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 8, 2026
Entity authorityQ130887 ↗
Source-derived summary

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.

Gameplay

Killing Floor is a first-person shooter with two game modes: Killing Floor and Objective. In Killing Floor mode, the player fights waves of zombie-like specimens - or ZEDs - with each wave becoming successively more difficult, until it concludes with a battle against a "boss" specimen called the Patriarch. In Objective mode players complete different challenges while earning in-game money, which they can spend between waves at a trader. The trader buys and sells ammo, armor, and weapons, such as katanas, pipe bombs, flamethrowers and shotguns.

Editorial summary

The public source identifies “Killing Floor (video game)” as 2009 video game. This brief keeps that definition visible, then builds a research path around Killing, Floor and video.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2004, 2005, 2009, 2010—that can be checked directly. The linked authority record independently contributes the date 2009-05-14. Its value is orientation rather than verdict, with Killing, Floor and video providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Killing Floor (video game)”, the useful work is to connect “2009 video game” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 8, 2026. The linked authority identifier is Q130887. 2 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2004, 2005, 2009 and 2010.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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Source & attribution

This entry incorporates text from “Killing Floor (video game)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.