Games like Go Marbles!
Games like Go Marbles! include Garry's Mod, Poly Bridge, s&box, BeamNG.drive, and Poly Bridge 2. We matched them by the tags players give Go Marbles! on Steam (Racing, 3D Platformer, Parkour, Physics, and Sandbox): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Physics · Building

Poly Bridge
Shared: Physics · Building · Puzzle

s&box
Shared: Sandbox · 3D Platformer · Building

BeamNG.drive
Shared: Physics · Racing · Sandbox

Poly Bridge 2
Shared: Physics · Building · Puzzle

Besiege
Shared: Physics · Sandbox · Building

CarX Drift Racing Online
Shared: Racing · Sandbox · Physics

SimplePlanes
Shared: Physics · Sandbox · Racing

Brick Rigs
Shared: Sandbox · Physics · Building

Mon Bazou
Shared: Racing · Sandbox · Building

Clustertruck
Shared: Parkour · 3D Platformer · Physics

Scrap Mechanic
Shared: Sandbox · Building · Physics

Stormworks: Build and Rescue
Shared: Sandbox · Physics · Building

Bridge Constructor Portal
Shared: Puzzle · Physics · Level Editor

Kerbal Space Program
Shared: Physics · Sandbox · Building

Rooftops & Alleys: The Parkour Game
Shared: Parkour · 3D Platformer · First-Person

Human Fall Flat
Shared: Physics · Puzzle · Sandbox

Portal
Shared: 3D Platformer · Puzzle · Physics

GoreBox
Shared: Sandbox · Physics · Level Editor

Zeepkist
Shared: Racing · Level Editor · Sandbox

Car Mechanic Simulator 2018
Shared: Racing · Building · Sandbox

SEUM: Speedrunners from Hell
Shared: 3D Platformer · Parkour · Racing

People Playground
Shared: Sandbox · Physics · Building

Automation - The Car Company Tycoon Game
Shared: Sandbox · Building · Racing