Atomic Heart is an upcoming action RPG game. The main story focuses on a version of the USSR that didn’t happen. "Technical revolution has already occurred, robots, the Internet, holograms have already been invented, but all these innovations are immersed in the atmosphere of communism, imperialism and confrontation with the West," states the description. "The protagonist of the game is a Soviet KGB officer and his Party sends him to the facility 3826 and is waiting for the report."
The game features several regions with different biomes. As for the gameplay, you will be using a lot of melee weapons (firearms available as well). The game features a bunch of robots that were made to serve the needs of the Soviet industry or to help Soviet citizens in daily life.
You can learn more about the game here.