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Atomic Heartis a science fiction shooter with more than a few nods to theBioShockseries. Akin to theBioShockseries,Atomic Heartis a big game with lengthy missions to explore and find as the story unfolds.
Featuring over 40 missions with side content of varying lengths, there is enough gameplay inAtomic Heartto keep players happy, entertained, and immersed in the alternative universe USSR where Russian technology and expertise in robotics have surpassed the rest of the world.
Updated Jun 29, 2025, by Michael Llewellyn:Atomic Heartattained many fans since its launch with its darkly humorous approach to the BioShock formula. It is a popular title on Xbox Game Pass and has left fans wanting more. While a sequel is probably a long way off,Atomic Hearthas new story-based DLC to continue the Major’s fight against the robots gone rogue.Atomic Heart:Annihilation Instinct features new weapons, abilities, achievements, and more. Now players get more ways to destroy the robots in creative and violent ways. This guide is updated to include the new mission list for Annihilation Instinct and a list of trophies/achievements that includes mission-related objectives and missable combat-related goals to unlock them.
RELATED:Beginner Tips For Atomic Heart
Atomic Hearts Mission List
This is the complete list of all themissions inAtomic Heart.The boss fight objectives were omitted from the list, as they contain heavy spoilers for the story.
That is the complete list of missions inAtomic Heart.The Final mission features two endings. One of the endings will force the player tofight The Twins in Atomic Heart. The battle with Twins is one of the most challenging fights in the game. With collectibles and two endings,Atomic Heartshas replay valueand can potentially last between 15 and 35 hours, depending on the playing style.
Mission List For Atomic Heart: Annihilation Instinct
The story-based DLCAtomic Heart: Annihilation Instinctis available now for fans to download. The DLC extends the game by adding approximately 2 hours of gameplay to the main story, depending on playing style and whether or not players want to go trophy hunting in the new DLC. Major P-3 once again has an army of killer robots to defeat in the following mission list:
Atomic Heart: Annihilation Instinct Achievement/Trophy List
The Annihilation Instinct DLC adds more story and missable achievements/trophies to unlock in the game and is as follows:
Atomic Heartis out now for PC, PS4, PS5, Xbox One, and Xbox Series X/S.
