Particle Hearts is an adventure developed by Underwater Fire, released 25 August 2025 on PlayStation 5, Xbox Series X|S, Nintendo Switch and Xbox One.
What Particle Hearts is
Particle Hearts is an adventure game developed by Underwater Fire and released in 2025. It was published by First Break Labs. It is available on PlayStation 5, Xbox Series X|S, Nintendo Switch, Xbox One and PC (Microsoft Windows).
The premise, in the publisher's words
Explore a world made entirely of particles. Use special abilities to manipulate those particles, solve puzzles, avoid detection, and uncover the role you play in this sinister and beautiful land. Along the way, meet various creatures, some of which will help you understand your purpose and others who are tasked with hiding it from you. Collect memories, find hidden paths, and piece together your connection to this land that isn’t always what it seems.
How it plays
It is played from a third person perspective. Its themes are mystery and open world. It is a single-player game with no multiplayer component.
What it launched against
Particle Hearts launched on 25 August 2025, within three weeks of Hollow Knight: Silksong, Mafia: The Old Country, Metal Gear Solid Delta: Snake Eater and Hell is Us. It arrived 5 years into the PlayStation 5's life, so it was built for hardware developers already knew well.
Released around the same time: Hollow Knight: Silksong, Mafia: The Old Country, Metal Gear Solid Delta: Snake Eater, Hell is Us.
Official trailer
Sourced from the publisher’s YouTube channel. See all 5 videos →
Screenshots
All media
Quick answers
Particle Hearts — frequently asked questions
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