Released as an Unreal Tournament 2004 mod and converted in 2009 for re-release as a standalone indie shooter, Killing Floor is not a new game.
But independent developer and publisher Tripwire has told Gamasutra that sales are still strong.
Over 1.1 million copies of the game have sold, along with 2 million DLC packs.
The Georgia-based Tripwire has sold 2 million copies of its PC titles, which include Red Orchestra and the South American first person melee game Zeno Clash.
Tags fps independent sales seth-tipps
![mi [Event news] The First Guild Wars Card Battler Coming to PC and Mobile](https://mcvuk.com/wp-content/uploads/mi-310x165.jpg)
The beloved fantasy franchise Guild Wars expands into new territory with the announcement of a brand new free-to-play digital collectible card game (CCG), Mistbound. Officially licensed by ArenaNet, developed by NC, and globally published by bilibili, Mistbound marks the first CCG spin-off set within the Guild Wars universe. Designed around new multi-directional card movement mechanics, Mistbound aims to bring new energy to the traditional CCG universe and honor the legacy of Guild Wars for players.
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