S.T.A.L.K.E.R.: Clear Sky is the prequel chapter of the Legends of the Zone Trilogy. With the ability to directly influence the balance of power through Faction Wars, step into the boots of Scar — a seasoned mercenary, able to somehow survive deadly Emissions. Make your way to the Chornobyl Nuclear Power Plant through radiation, anomalies, enemies, mutants, and conflict-raging Zone.