Games like Colorgrid
Games like Colorgrid include Mini Motorways, Zup! S, Kerbal Space Program, LYNE, and Bridge Constructor Portal. We matched them by the tags players give Colorgrid on Steam (Casual, Puzzle, Physics, Atmospheric, and Simulation): closest matches first, and among equally close ones the better-known games.

Mini Motorways
Shared: Casual · Simulation · Puzzle

Zup! S
Shared: Casual · Puzzle · Physics

Kerbal Space Program
Shared: Physics · Simulation · Science

LYNE
Shared: Puzzle · Casual · Minimalist

Bridge Constructor Portal
Shared: Puzzle · Physics · Simulation

Crazy Machines 3
Shared: Puzzle · Physics · Simulation

Mini Metro
Shared: Puzzle · Simulation · Casual

Poly Bridge
Shared: Physics · Puzzle · Simulation

Dorfromantik
Shared: Puzzle · Casual · Relaxing

Universe Sandbox
Shared: Simulation · Physics · Science

Poly Bridge 2
Shared: Puzzle · Physics · Simulation

Hardspace: Shipbreaker
Shared: Physics · Simulation · Puzzle

Kerbal Space Program 2
Shared: Physics · Difficult · Simulation

Hexcells Infinite
Shared: Casual · Puzzle · Logic

ISLANDERS
Shared: Puzzle · Relaxing · Minimalist

Hook
Shared: Casual · Puzzle · Minimalist

Hexcells
Shared: Casual · Puzzle · Logic

Garry's Mod
Shared: Physics · Casual · Building

Osmos
Shared: Casual · Puzzle · Physics

Hozy
Shared: Casual · Puzzle · Physics

Heavenly Bodies
Shared: Physics · Puzzle · Difficult

My Suika – Kyo’s Fruit Merge
Shared: Casual · Puzzle · Simulation

Zup!
Shared: Casual · Puzzle · Physics

Universe Sandbox
Shared: Simulation · Physics · Casual

