Release of Killing Floor

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.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• Release of Killing Floor and Release of Cities XL happened in the same year
• Release of Killing Floor and Release of Demon's Souls happened in the same year
• Release of Killing Floor and Release of Doodle Jump happened in the same year
• Release of Killing Floor and Release of Tropico 3 happened in the same year
• Release of Killing Floor and Release of The Saboteur happened in the same year

Timeline

1. Release of Cities XLOctober 8, 2009
2. Release of Demon's SoulsFebruary 5, 2009
3. Release of Doodle JumpApril 6, 2009
4. Release of Killing Floor (this page)May 14, 2009
5. Release of The SaboteurDecember 3, 2009
6. Release of Tropico 3October 20, 2009

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• Release of Grand Theft Auto IIIOctober 23, 2001
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• Release of Team Fortress 2October 10, 2007
• Release of League of LegendsOctober 27, 2009