Games like Particle Hearts
Games like Particle Hearts include Outer Wilds, Rise of the Tomb Raider™, Tomb Raider Game of the Year, Spirit of the North, and ANIMAL WELL. We matched them by the tags players give Particle Hearts on Steam (Adventure, Exploration, Puzzle, 3D Platformer, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Adventure · Puzzle

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Puzzle

Tomb Raider Game of the Year
Shared: Adventure · Exploration · Story Rich

Spirit of the North
Shared: Adventure · Exploration · Atmospheric

ANIMAL WELL
Shared: Exploration · Puzzle · Adventure

Stray
Shared: Adventure · Atmospheric · Exploration

DARK SOULS™ III
Shared: Atmospheric · Exploration · Dark Fantasy

Firewatch
Shared: Adventure · Atmospheric · Exploration

Chants of Sennaar
Shared: Adventure · Puzzle · Atmospheric

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle

OneShot
Shared: Story Rich · Puzzle · Atmospheric

Viewfinder
Shared: Puzzle · Adventure · Surreal

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Puzzle · Story Rich

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

What Remains of Edith Finch
Shared: Atmospheric · Exploration · Adventure

Ori and the Will of the Wisps
Shared: Adventure · Exploration · Metroidvania

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric

A Plague Tale: Innocence
Shared: Adventure · Stealth · Story Rich

Hogwarts Legacy
Shared: Adventure · Exploration · Story Rich

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Atmospheric · Story Rich

Gothic 1 Remake
Shared: Adventure · Exploration · Atmospheric

White Shadows
Shared: Adventure · Puzzle · Atmospheric

Murders on the Yangtze River
Shared: Adventure · Puzzle · Exploration

The Last Campfire
Shared: Adventure · Puzzle · Atmospheric