S.T.A.L.K.E.R.: Clear Sky

Action, RPG — Single-player, Multi-player, Online PvP

S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better.