S.T.A.L.K.E.R.: Call of Pripyat

S.T.A.L.K.E.R.: Call of Pripyat is the sequel to 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 is the third game in the survival FPS S.T.A.L.K.E.R. series. Source: Wikipedia, "S.T.A.L.K.E.R.: Call of Pripyat," available under the CC-BY-SA License.