Games like RGB Rush
Games like RGB Rush include House Flipper, Incredibox, Hook, Melvor Idle, and Zup! S. We matched them by the tags players give RGB Rush on Steam (Casual, Design & Illustration, Education, Trivia, and Utilities): closest matches first, and among equally close ones the better-known games.

House Flipper
Shared: Design & Illustration · Casual · Education

Incredibox
Shared: Casual · 2D · Cartoony

Hook
Shared: Casual · Abstract · Minimalist

Melvor Idle
Shared: Casual · 2D · Indie

Zup! S
Shared: Casual · 2D · Indie

Home Design 3D
Shared: Design & Illustration · Education · Utilities

Passpartout: The Starving Artist
Shared: Casual · Design & Illustration · Indie

Strange Jigsaws
Shared: Casual · 2D · Abstract

Chinatris
Shared: Casual · Spelling · Education

Chill with You : Lo-Fi Story
Shared: Casual · Utilities · Education

Chill Pulse
Shared: Casual · Utilities · Education

Nodebuster
Shared: Casual · 2D · Abstract

Human Resource Machine
Shared: Casual · Education · Indie

Hexcells
Shared: Casual · 2D · Minimalist

Patrick's Parabox
Shared: Casual · Abstract · 2D

Zup!
Shared: Casual · 2D · Indie

Zup! Z
Shared: Casual · 2D · Indie

klocki
Shared: Casual · Minimalist · 2D

Kingdom Rush - Tower Defense
Shared: Casual · 2D · Cartoon

A=B
Shared: Casual · Education · Programming

Hidden Folks
Shared: Casual · 2D · Indie

Zup! F
Shared: Casual · 2D · Indie

Zup! 2
Shared: Casual · 2D · Indie

Understand
Shared: Abstract · Casual · 2D