S.T.A.L.K.E.R.: Shadow of Chernobyl

S.T.A.L.K.E.R.: Shadow of Chernobyl, released in 2007 after a lengthy development cycle, is a first-person shooter from GSC Game World and THQ. It kicks off the S.T.A.L.K.E.R. series in an alternate timeline where a second, unexplained catastrophe struck the Chernobyl exclusion zone, spreading radiation and warping local wildlife, plants, and even the laws of physics. The background and some of the terminology of the game are borrowed from the 1971 novella *Roadside Picnic* and its 1979 film adaptation *Stalker*. Players control the Marked One, an amnesiac who must track down and eliminate a figure known as Strelok within the forbidden Zone surrounding the Chernobyl Nuclear Power Plant. The story is non-linear, offering seven distinct endings, and blends shooting with role-playing features like trading and two-way dialogue with non-player characters. Critics praised its atmosphere, style, depth, and level design, though it was noted for frequent bugs. Commercially, it sold over two million copies by September 2008. A prequel, *Clear Sky*, arrived in 2008, followed by a sequel, *Call of Pripyat*, in 2009, and a second sequel, *Heart of Chornobyl*, in 2024. Fan remakes also exist, aiming to restore content cut from the original release. The Zone itself spans about 30 square kilometers, modeled on the real Chernobyl exclusion zone but with artistic liberties—for instance, the city of Pripyat is moved south of the power plant (it actually lies northwest), though its in-game version recreates many real locations on a smaller scale. The term "stalker" originally referred to scientists and engineers who explored the Chernobyl sarcophagus after 1986, and "the Zone" is a real term for the 30-kilometer exclusion area. In the game’s backstory, after the 1986 disaster, the area was repopulated with scientists and military personnel until a second disaster in 2006 killed or mutated most inhabitants. Years later, people enter the Zone seeking money, artifacts, or scientific data. Extreme radiation has mutated animals and plants, while dangerous pockets of altered physics called anomalies dot the landscape. Stalkers carry anomaly detectors that beep with varying frequency based on proximity. Gameplay is primarily a first-person shooter, with a large inventory of items that players can customize based on how much they explore.