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

To understand S.T.A.L.K.E.R Call of Pripyat you need to play the first title of this game, Shadow of Chernobyl. In this game (S.T.A.L.K.E.R C.O.P) you'll play as Alex Degtyarev, it's a new character and you're in part of a military mission to discover what happened witch the helicopters sent to the area after events of the first title of this game.

This game deserves a full play, but again I remind you that, to understand the game play S.T.A.L.K.E.R Shadow of Chernobyl and then play this S.T.A.L.K.E.R C.O.P
This game is recommanded for players over 18 years.