GSC Game World is a Kiev-based computer game developer. Founded in 1995 in Kiev, Ukraine, it released titles such as Cossacks: European Wars, American Conquest, Alexander, S.T.A.L.K.E.R.: Shadow of Chernobyl and is working on titles such the second part of Heroes of Annihilated Empires trilogy. In 2004, GSC Game World founded the publishing branch GSC World Publishing. GSC Game World's most successful game series is Cossacks, but it is also known for S.T.A.L.K.E.R.: Shadow of Chernobyl, a survival shooter which has been in development for seven years and was released in March 2007. Most of its titles are published in Europe by Cdv Software Entertainment.