Atomfall

Atomfall is a single-player survival-action game developed by Rebellion Developments, the British studio behind the Sniper Elite and Zombie Army series. It launched on 27 March 2025 for Windows PC, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, and Xbox Game Pass. Rather than adapting a historical event directly, the game turns a real British disaster into an alternate-history mystery.

Its setting is rural Cumbria in 1962, five years after a fictional catastrophe at the Windscale nuclear facility. The real Windscale fire occurred in 1957 at the Sellafield site and was Britain’s worst nuclear accident; Atomfall imagines a much more disruptive outcome. The player wakes inside the locked-down quarantine zone with no memory, and must discover what happened while investigating abandoned bunkers, laboratories, villages, and underground infrastructure.

Progress is deliberately investigative rather than linear. Clues, conversations, and discoveries can open different routes through the story, and the game allows the player to question, bargain with, deceive, or fight people encountered in the zone. Important figures include the military officer Captain Sims, the scientist Dr. Garrow, the ex-convict Joyce Tanner, and Reverend Mother Jago, whose followers occupy the Casterfell Woods. Their agendas do not simply point toward one universal quest objective: following one lead can change which evidence, allies, and endings become available.

Exploration covers several distinct areas, including Wyndham Village, the Casterfell Woods, Skethermoor, and the Interchange, a vast underground complex connected to the disaster’s secrets. Survival depends on scavenging ammunition, food, medicine, and materials; weapons degrade, inventory space is limited, and combat is dangerous even against ordinary human enemies. Atomfall also uses radio signals, notes, recordings, environmental details, and a lead-based approach to encourage players to assemble explanations themselves. Its atmosphere combines post-disaster isolation with recognizable British details: tea rooms, pub interiors, military checkpoints, muddy lanes, and period technology.

Rebellion has described Atomfall as an intellectual property, but its influences are visible in the British science-fiction tradition, particularly the unsettling combination of official secrecy, rural landscape, and unexplained phenomena associated with postwar television and literature. The game’s fictionalized Windscale premise is therefore more than background decoration: it gives the quarantine, competing factions, and fragmented clues a specific historical tension. Atomfall asks players to decide how much of the truth to uncover, whom to trust, and whether survival requires cooperation, confrontation, or an exit from the zone. Its multiple conclusions make those decisions part of the game’s structure, not flavor.