Games like Colorize
Games like Colorize include The Last Campfire, Carto, GRIS, Laughing to Die, and Gorogoa. We matched them by the tags players give Colorize on Steam (Adventure, Puzzle, Hand-drawn, 2D Platformer, and Cute): closest matches first, and among equally close ones the better-known games.

The Last Campfire
Shared: Adventure · Puzzle · Cute

Carto
Shared: Puzzle · Cute · Hand-drawn

GRIS
Shared: Adventure · Atmospheric · Hand-drawn

Laughing to Die
Shared: Adventure · Puzzle · 2D Platformer

Gorogoa
Shared: Puzzle · Hand-drawn · Atmospheric

Stray
Shared: Adventure · Atmospheric · Puzzle

Neva
Shared: Adventure · Puzzle · Atmospheric

Machinarium
Shared: Puzzle · Hand-drawn · Adventure

Webbed
Shared: 2D Platformer · Cute · Adventure

Planet of Lana
Shared: Puzzle · 2D Platformer · Adventure

Slime Rancher
Shared: Adventure · Cute · Colorful

Chants of Sennaar
Shared: Adventure · Puzzle · Colorful

Trine Enchanted Edition
Shared: 2D Platformer · Fantasy · Magic

Pikuniku
Shared: Adventure · Puzzle · Cute

Trine 2: Complete Story
Shared: 2D Platformer · Puzzle · Fantasy

Unravel
Shared: Puzzle · Adventure · Atmospheric

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

LIMBO
Shared: Puzzle · Adventure · Atmospheric

Thank Goodness You're Here!
Shared: Adventure · Hand-drawn · 2D Platformer

TOEM: A Photo Adventure
Shared: Puzzle · Adventure · Cute

Old Man's Journey
Shared: Adventure · Hand-drawn · Puzzle

Hoa
Shared: 2D Platformer · Hand-drawn · Atmospheric

Sanfu
Shared: Puzzle · Adventure · Hand-drawn

Little Nightmares
Shared: Adventure · Puzzle · Atmospheric