This so-called 'Zone' is a highly contaminated area cordoned off by the military and now is combed through by the so-called stalkers, modern fortune hunters, in search of unique artifacts. S.T.A.L.K.E.R.: Call of Pripyat takes PC gamers once again into the vicinity of the Chernobyl nuclear reactor that exploded in 1986. series seamlessly connects to the first part of the Shadow of Chernobyl. With over 2 million copies sold, the new episode of the most internationally successful S.T.A.L.K.E.R.