Atomic Heart is an adventure first-person shooter, events of which unfolds in an alternate universe during the high noon of the Soviet Union. The principal character of the game is a special agent P-3, who after an unsuccessful landing on enterprise "3826" is trying to figure out what went wrong.

How long is Atomic Heart?
When focusing on the main objectives, Atomic Heart is about 16 Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 36½ Hours to obtain 100% completion.