Atomic Heart is a closed world action-adventure role-playing game set in the alternate Soviet Union of 1955 at Facility 3826. Science, equality and fraternity are the main symbols of Freedom in this reality. But what kind of effort does it take to build an ideal society? And what is the price of such a society? Civilian robots, designed to help people, rebelled against their creators. Terrible mutant monsters came to be as a result of secret experiments conducted by scientists.