Games like Adrift
Games like Adrift include Outer Wilds, A Plague Tale: Requiem, COCOON, OPUS: Echo of Starsong - Full Bloom Edition, and No Man's Sky. We matched them by the tags players give Adrift on Steam (Adventure, Interactive Fiction, Visual Novel, Exploration, and 3D): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Adventure · Atmospheric

A Plague Tale: Requiem
Shared: Adventure · Exploration · Cinematic

COCOON
Shared: Adventure · Exploration · 3D

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Interactive Fiction · Adventure

No Man's Sky
Shared: Exploration · Adventure · Space

Mirror 2: Project X
Shared: 3D · Visual Novel · Interactive Fiction

Stray
Shared: Adventure · Exploration · Atmospheric

ROUTINE
Shared: Adventure · Cinematic · Atmospheric

PEAK
Shared: Adventure · Exploration · 3D

Detroit: Become Human
Shared: Cinematic · Adventure · Futuristic

Firewatch
Shared: Adventure · Atmospheric · Exploration

South of the Circle
Shared: Adventure · Interactive Fiction · Visual Novel

Bramble: The Mountain King
Shared: Adventure · Cinematic · Atmospheric

Amenti
Shared: Adventure · Exploration · 3D

Killer Frequency
Shared: Adventure · Interactive Fiction · 1980s

DEATH STRANDING DIRECTOR'S CUT
Shared: Adventure · Cinematic · Atmospheric

FAR: Lone Sails
Shared: Adventure · Exploration · Atmospheric

Pacific Drive
Shared: Exploration · Adventure · Atmospheric

Fallout 4
Shared: Adventure · Exploration · Atmospheric

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · 3D

Deliver Us The Moon
Shared: Adventure · Atmospheric · Sci-fi

Exo One
Shared: Adventure · Exploration · Atmospheric

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

Under The Waves
Shared: Adventure · Exploration · Atmospheric