Tripwire has announced the upcoming release of the new 'Level Up' content pack for their survival co-op shooter Killing Floor will arrive as a free update on October 22.
To celebrate the release, Tripwire invites new players to try Killing Floor at no cost, holding a free-to-play weekend for the game on Steam beginning with the new content's arrival Thursday, October 22 and going through Sunday, October 25.
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