Summer Game Fest 2025: THE CUBE (Atomic Universe)

Known for its adventure RPG, Atomic Heart, Mundfish made a splash at Summer Game Fest 2025! Following an exciting reveal for Atomic Heart II, the studio also showcased THE CUBE (Atomic Universe), an MMORPG shooter set on a massive levitating cube.

The Cube’s rotating, ever-evolving world is set to arrive on both PC and consoles! As you’ll see in the trailer linked above, players will dive into a retro-futuristic setting, a large Cube that showed up out of nowhere. With first-person battles and exploration, this is sure to be an action-packed time.