Games like Ray
Games like Ray include Viewfinder, Supraland, FAR: Lone Sails, COCOON, and Chants of Sennaar. We matched them by the tags players give Ray on Steam (Adventure, Puzzle, Exploration, Cinematic, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Viewfinder
Shared: Puzzle · Puzzle Platformer · Adventure

Supraland
Shared: Exploration · Adventure · Puzzle Platformer

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

COCOON
Shared: Adventure · Puzzle · Exploration

Chants of Sennaar
Shared: Adventure · Puzzle · Colorful

Firewatch
Shared: Adventure · Atmospheric · Exploration

Outer Wilds
Shared: Exploration · Adventure · Puzzle

The Witness
Shared: Puzzle · Exploration · Colorful

PEAK
Shared: Adventure · Exploration · Physics

INSIDE
Shared: Puzzle Platformer · Atmospheric · Adventure

Portal 2
Shared: Puzzle · Puzzle Platformer · First-Person

The Talos Principle 2
Shared: Puzzle · Exploration · Puzzle Platformer

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

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

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

Amnesia: Rebirth
Shared: Puzzle · Adventure · Action-Adventure

Tomb Raider Game of the Year
Shared: Adventure · Exploration · Puzzle

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Puzzle · Action-Adventure

Quern - Undying Thoughts
Shared: Adventure · Puzzle · Exploration

Superliminal
Shared: Puzzle · Physics · Adventure

Jusant
Shared: Adventure · Exploration · Atmospheric

LIMBO
Shared: Puzzle · Puzzle Platformer · Adventure

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric