Atomic Heart is a first-person action RPG developed by Mundfish and set in an alternate-history Soviet Union where advanced technology and robotics have transformed society. Players control a special KGB agent sent to investigate a secret facility after machines suddenly turn hostile. The game combines intense shooting, melee combat, and unique abilities powered by experimental technology. Players explore futuristic laboratories, fight dangerous robots and mutants, and uncover hidden conspiracies behind the facility’s collapse. With its striking retro-futuristic world, immersive storytelling, and dynamic combat system, Atomic Heart delivers a distinctive and visually impressive sci-fi action experience.