S.T.A.L.K.E.R. 2: Heart of Chornobyl is a single-player first-person shooter set in a dynamically changing Chernobyl Exclusion Zone. Players explore a hostile open world, battling mutants, anomalies, and rival stalkers while managing hunger, radiation, and injuries. The game blends shooter mechanics with survival-horror atmosphere and immersive simulation, offering branching story choices that affect the ending. The Xbox Series X version runs at up to 120 FPS in 4K resolution.