S.T.A.L.K.E.R.: Call of Pripyat is a first-person shooter survival horror video game developed by Ukrainian video game developer GSC Game World for Microsoft Windows. It is the third game released in the S.T.A.L.K.E.R. series of computer games, following S.T.A.L.K.E.R.: Shadow of Chernobyl and S.T.A.L.K.E.R.: Clear Sky, with the game's narrative and events following the former. It was first published in the CIS territories by GSC World Publishing on 2 October 2009, before later being released by bitComposer Games in Europe in November 2009, and in North America and Australia in February 2010.