Games like RoboCo
Games like RoboCo include Garry's Mod, Kerbal Space Program, Totally Accurate Battle Simulator, Poly Bridge, and People Playground. We matched them by the tags players give RoboCo on Steam (Building, Sandbox, Physics, Robots, and Simulation): closest matches first, and among equally close ones the better-known games.
Garry's Mod
Shared: Sandbox · Building · Physics
Kerbal Space Program
Shared: Sandbox · Physics · Simulation
Totally Accurate Battle Simulator
Shared: Sandbox · Simulation · Physics
Poly Bridge
Shared: Building · Physics · Simulation
People Playground
Shared: Sandbox · Physics · Building
Goat Simulator
Shared: Simulation · Sandbox · Physics
Poly Bridge 2
Shared: Building · Physics · Sandbox
Space Engineers
Shared: Building · Sandbox · Physics
House Flipper
Shared: Simulation · Building · Sandbox
Two Point Hospital
Shared: Building · Simulation · Sandbox
PC Building Simulator
Shared: Building · Simulation · Sandbox
Fun with Ragdolls: The Game
Shared: Sandbox · Physics · Building
Planet Coaster
Shared: Building · Sandbox · Simulation
Scrap Mechanic
Shared: Building · Sandbox · Physics
Cities: Skylines
Shared: Building · Simulation · Sandbox
Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Building · Physics
Besiege
Shared: Sandbox · Physics · Simulation
Animal Revolt Battle Simulator
Shared: Sandbox · Physics · Simulation
Bridge Constructor Portal
Shared: Building · Physics · Simulation
Brick Rigs
Shared: Sandbox · Building · Physics
Crazy Machines 3
Shared: Physics · Simulation · Sandbox
The Sims™ 4
Shared: Building · Simulation · Sandbox
Teardown
Shared: Sandbox · Physics · Indie
The Sims™ 3
Shared: Building · Sandbox · Simulation