Games like Color Odyssey
Games like Color Odyssey include Portal 2, The Last Campfire, A Story About My Uncle, LIMBO, and Pumpkin Jack. We matched them by the tags players give Color Odyssey on Steam (Casual, Singleplayer, Platformer, 3D Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Singleplayer · Platformer · Puzzle

The Last Campfire
Shared: Singleplayer · Puzzle · Adventure

A Story About My Uncle
Shared: Singleplayer · Adventure · Platformer

LIMBO
Shared: Platformer · Puzzle · Singleplayer

Pumpkin Jack
Shared: 3D Platformer · Adventure · Singleplayer

Chained Together
Shared: Casual · Platformer · Adventure

Little Nightmares
Shared: Singleplayer · Adventure · Atmospheric

Spirit of the North
Shared: Casual · Singleplayer · Adventure

GRIS
Shared: Atmospheric · Platformer · Singleplayer

Monument Valley
Shared: Singleplayer · Casual · Puzzle

Portal
Shared: Puzzle · Singleplayer · 3D Platformer

FEZ
Shared: Platformer · Puzzle · Singleplayer

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

Refunct
Shared: 3D Platformer · Casual · Platformer

Shady Part of Me
Shared: Puzzle · Platformer · Singleplayer

A Hat in Time
Shared: 3D Platformer · Platformer · Collectathon

Papo & Yo
Shared: 3D Platformer · Platformer · Singleplayer

Neva
Shared: Platformer · Adventure · Atmospheric

Moncage
Shared: Casual · Singleplayer · Puzzle

Planet of Lana
Shared: Singleplayer · Puzzle · Platformer

Contrast
Shared: Platformer · Adventure · Puzzle

Little Nightmares II
Shared: Singleplayer · Adventure · Puzzle

Stray
Shared: Singleplayer · Adventure · Atmospheric

RiME
Shared: Puzzle · Adventure · Singleplayer