S.T.A.L.K.E.R. Shadow of Chernobyl is a first-person shooter survival horror video game developed by GSC Game World and published by THQ. Chernobyl was the site of a severe nuclear accident in 1986. In an alternate timeline, following attempts to repopulate the area, another unexpected accident occurred twenty years later. By the year 2012 the area, which was dubbed Zone, has become hazardous with mutated animals, bandits, and mysterious anomalies. These anomalies differ in their effects, but they all have one thing in common they are deadly. The player controls a stalker who has lost his memory in an accident. After being rescued by another stalker, he discovers himself in a village located on the outskirts of the Zone, with only a single clue he has a note in his PDA telling him to kill an unknown person with the nickname Strelok.

• S.T.A.L.K.E.R. Shadow of Chernobyl