Games like CLOUDOME: Prototype
Games like CLOUDOME: Prototype include Big Walk, FEZ, Antichamber, Outer Wilds, and Moncage. We matched them by the tags players give CLOUDOME: Prototype on Steam (Adventure, Casual, Platformer, Puzzle, and Sandbox): closest matches first, and among equally close ones the better-known games.

Big Walk
Shared: Puzzle · Adventure · Exploration

FEZ
Shared: Platformer · Puzzle · Adventure

Antichamber
Shared: Puzzle · Adventure · Exploration

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Moncage
Shared: Casual · Puzzle · Adventure

Slime Rancher
Shared: Adventure · Exploration · Sandbox

NaissanceE
Shared: Exploration · Adventure · Abstract

A Story About My Uncle
Shared: Adventure · Platformer · First-Person

The Witness
Shared: Puzzle · Exploration · First-Person

Chained Together
Shared: Adventure · Platformer · Casual

Stray
Shared: Adventure · Exploration · Puzzle

Strange Jigsaws
Shared: Adventure · Casual · Puzzle

ANIMAL WELL
Shared: Puzzle · Exploration · Platformer

Spirit of the North
Shared: Adventure · Casual · Puzzle

The Unfinished Swan
Shared: Adventure · Puzzle · Exploration

Firewatch
Shared: Adventure · Exploration · First-Person

AER Memories of Old
Shared: Adventure · Exploration · Flight

LIMBO
Shared: Platformer · Puzzle · Adventure

Riven
Shared: Adventure · Puzzle · Exploration

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

Obduction
Shared: Adventure · Puzzle · Exploration

The Room
Shared: Puzzle · Adventure · Casual

LYNE
Shared: Puzzle · Casual · Minimalist

Call of the Sea
Shared: Adventure · Puzzle · First-Person