S.T.A.L.K.E.R.: Call of Pripyat, is the stand-alone sequel for S.T.A.L.K.E.R.: Shadow of Chernobyl, a first-person shooter computer game by Ukrainian developer GSC Game World. S.T.A.L.K.E.R.: Call of Pripyat will become the third stand-alone game in the acclaimed survival FPS S.T.A.L.K.E.R. series. The project is slated for release in early 2010 internationally, and late 2009 in Russia.