Games like OPUS: The Day We Found Earth
Games like OPUS: The Day We Found Earth include OPUS: Echo of Starsong - Full Bloom Edition, Outer Wilds, What Remains of Edith Finch, GRIS, and Chants of Sennaar. We matched them by the tags players give OPUS: The Day We Found Earth on Steam (Story Rich, Atmospheric, Visual Novel, Singleplayer, and Puzzle): closest matches first, and among equally close ones the better-known games.

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Story Rich · Visual Novel · Female Protagonist

Outer Wilds
Shared: Story Rich · Space · Atmospheric

What Remains of Edith Finch
Shared: Story Rich · Atmospheric · Singleplayer

GRIS
Shared: Atmospheric · Adventure · Female Protagonist

Chants of Sennaar
Shared: Puzzle · Singleplayer · Adventure

OneShot
Shared: Story Rich · Atmospheric · Puzzle

OPUS: Rocket of Whispers
Shared: Story Rich · Visual Novel · Singleplayer

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

Behind the Frame: The Finest Scenery
Shared: Atmospheric · Story Rich · Singleplayer

Sally Face - Episode One
Shared: Story Rich · Puzzle · Atmospheric

Tiny Bunny
Shared: Story Rich · Visual Novel · Atmospheric

Firewatch
Shared: Atmospheric · Story Rich · Adventure

Fran Bow
Shared: Story Rich · Puzzle · Adventure

Brothers - A Tale of Two Sons
Shared: Atmospheric · Story Rich · Adventure

Rise of the Tomb Raider™
Shared: Singleplayer · Adventure · Story Rich

No Case Should Remain Unsolved
Shared: Visual Novel · Puzzle · Story Rich

Gorogoa
Shared: Puzzle · Atmospheric · Singleplayer

Tales of the Black Forest
Shared: Story Rich · Adventure · Visual Novel

Phoenix Wright: Ace Attorney Trilogy
Shared: Story Rich · Visual Novel · Singleplayer

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

Little Nightmares
Shared: Atmospheric · Singleplayer · Adventure

Deliver Us The Moon
Shared: Atmospheric · Adventure · Story Rich

Servant of the Lake
Shared: Story Rich · Puzzle · Atmospheric

The Last Campfire
Shared: Puzzle · Singleplayer · Atmospheric