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2d ago

Mundfish Expands Atomic Heart Universe With Sequel and MMO Shooter

Revealed at Summer Game Fest, the upcoming Atomic Heart 2, an expanded global sequel, alongside The Cube, a multiplayer shooter, will launch on PC, PS5, and Xbox Series X/S with release dates to be confirmed.

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A yellow glowing alien baby from Atomic Heart 2.
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Overview

  • The original Atomic Heart sold over 10 million copies, establishing Mundfish’s retro-futuristic alternative-history setting as a new franchise.
  • Atomic Heart 2 introduces a living world with a global-scale narrative, deeper RPG systems and dual-wield combat combining glove abilities with melee and ranged weapons.
  • The Cube is an MMORPG shooter set inside a massive levitating structure, featuring constantly shifting environments, hidden reality-altering equations and persistent progression.
  • Both titles are confirmed for PC, PlayStation 5 and Xbox Series X/S, though Mundfish has not specified release windows for either project.
  • Mundfish, founded in 2017 and now based in Cyprus, unveiled both games during Summer Game Fest 2025 as part of its push to grow the Atomic Heart franchise.