interactive . this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . february 2009 learn how and when to remove this template message tripwire interactive llc type private industry computer software interactive entertainment founded roswell georgia u.s. 2005 headquarters roswell georgia us key people john gibson president alan wilson vice president products red orchestra series killing floor series number of employees 50 1 website http www.tripwireinteractive.com tripwire interactive is an american game development studio and publisher based in roswell georgia formed by members of the international team that created the acclaimed unreal tournament 2004 mod red orchestra combined arms . red orchestra won top prize in the nvidia sponsored make something unreal competition . 2 their first retail product red orchestra ostfront 41 45 was released over valve corporation s steam service on march 14 2006 . they are also a licensee of epic s unreal engine 3 . tripwire s second game killing floor was released on may 14 2009 . like red orchestra this game also began development as a unreal tournament 2004 mod later becoming a standalone retail title . 3 tripwire released their third game under the title red orchestra 2 heroes of stalingrad which is the sequel to their debut red orchestra ostfront 41 45 . the game is a world war ii themed first person shooter that was developed and published by themselves . the title focuses heavily on the battle of stalingrad . 4 the game was released on 13 september 2011 . 5 and uses the unreal engine 3 . on may 30 2013 the expansion pack rising storm was released focusing on the pacific war with real life battle locations such as the battle of iwo jima . tripwire interactive announced their fifth game killing floor 2 in may 2014 . 6 in 2015 tripwire announced rising storm 2 vietnam at e3 2015 . 7 contents 1 games developed 2 games published 3 references 4 external links games developed edit title engine release date platform s aggregated scores 8 red orchestra ostfront 41 45 unreal engine 2.5 march 14 2006 windows linux os x 77.67 % 9 killing floor unreal engine 2.5 may 14 2009 windows linux os x 73.92 % 10 red orchestra 2 heroes of stalingrad unreal engine 3 september 13 2011 windows 74.41 % 11 rising storm unreal engine 3 may 30 2013 windows 81.36 % 12 killing floor 2 unreal engine 3 18 november 2016 windows linux playstation 4 rising storm 2 vietnam unreal engine 3 tba windows killing floor incursion unreal engine 4 tba vr games published edit killing floor calamity the ball dwarfs 13 zeno clash references edit fenlon wes 8 may 2014 . killing floor 2 exclusive first look co op fps horror with the most advanced gore system ever . pc games . future plc. retrieved 6 december 2014 . make something unreal best fps mod gt q & a tripwire s killing floor breckon nick may 4 2009 . red orchestra sequel to feature first fps german single player campaign . shacknews . retrieved 2009 05 05 . release date delayed . official forums . retrieved 2011 08 08 . killing floor 2 first look . pc gamer . retrieved 2014 05 08 . rising storm 2 vietnam officially announced . www.tripwireinteractive.com . retrieved 2015 09 30 . scores are the average of the gamerankings aggregate score received for all platforms . gamerankings reviews red orchestra ostfront 41 45 . gamerankings . gamerankings reviews killing floor . gamerankings . gamerankings reviews red orchestra 2 heroes of stalingrad . gamerankings . gamerankings reviews rising storm . gamerankings . yoshiro s post on the steam forums about dwarfs external links edit tripwire interactive this united states video game corporation or company article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title tripwire interactive & oldid 738498564 categories companies based in roswell 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