Games like Chroma Lab
Games like Chroma Lab include Garry's Mod, Goat Simulator, Totally Accurate Battle Simulator, People Playground, and Kerbal Space Program. We matched them by the tags players give Chroma Lab on Steam (Simulation, Indie, Casual, Physics, and Sandbox): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Physics · Casual

Goat Simulator
Shared: Simulation · Physics · Sandbox

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics

People Playground
Shared: Sandbox · Physics · Simulation

Kerbal Space Program
Shared: Simulation · Physics · Sandbox

BeamNG.drive
Shared: Simulation · Physics · Sandbox

Tabletop Simulator
Shared: Simulation · Sandbox · VR

BONEWORKS
Shared: VR · Physics · Sandbox

Hot Dogs, Horseshoes & Hand Grenades
Shared: VR · Simulation · Sandbox

Hard Bullet
Shared: VR · Simulation · Sandbox

Game Dev Tycoon
Shared: Simulation · Indie · Casual

Besiege
Shared: Simulation · Physics · Sandbox

Wobbly Life
Shared: Simulation · Sandbox · Casual

Cooking Simulator VR
Shared: Simulation · Casual · VR

Universe Sandbox
Shared: Simulation · Sandbox · Physics

Space Engineers
Shared: Simulation · Sandbox · Physics

BONELAB
Shared: VR · Physics · Sandbox

Surgeon Simulator
Shared: Simulation · Physics · Indie

Animal Revolt Battle Simulator
Shared: Indie · Simulation · Sandbox

CarX Drift Racing Online
Shared: Simulation · Sandbox · Physics

Tiny Town VR
Shared: Simulation · Indie · Casual

Universe Sandbox
Shared: Simulation · Sandbox · Physics

Blade and Sorcery
Shared: VR · Sandbox · Physics

Poly Bridge
Shared: Simulation · Physics · Indie