Games like Stardust Sandbox
Games like Stardust Sandbox include Kerbal Space Program, Universe Sandbox, Garry's Mod, People Playground, and Universe Sandbox. We matched them by the tags players give Stardust Sandbox on Steam (Simulation, Casual, Sandbox, Physics, and Education): closest matches first, and among equally close ones the better-known games.
Kerbal Space Program
Shared: Simulation · Sandbox · Physics
Universe Sandbox
Shared: Simulation · Sandbox · Physics
Garry's Mod
Shared: Sandbox · Physics · Casual
People Playground
Shared: Sandbox · Physics · Simulation
Universe Sandbox
Shared: Simulation · Sandbox · Physics
Kerbal Space Program 2
Shared: Sandbox · Physics · Exploration
Goat Simulator
Shared: Simulation · Sandbox · Physics
Besiege
Shared: Simulation · Sandbox · Physics
PC Building Simulator
Shared: Simulation · Education · Sandbox
House Flipper
Shared: Simulation · Sandbox · Casual
Aviassembly
Shared: Physics · Sandbox · Simulation
Stardew Valley
Shared: Simulation · Sandbox · Casual
SPORE™
Shared: Sandbox · Simulation · Casual
Goat Simulator 3
Shared: Sandbox · Physics · Simulation
Space Engineers
Shared: Sandbox · Simulation · Physics
BeamNG.drive
Shared: Simulation · Physics · Sandbox
Spaceflight Simulator
Shared: Sandbox · Simulation · Exploration
Poly Bridge
Shared: Simulation · Physics · Sandbox
Sand:box
Shared: Simulation · Sandbox · Physics
WorldBox - God Simulator
Shared: Simulation · Sandbox · Destruction
Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Physics · Exploration
Townscaper
Shared: Sandbox · Casual · Simulation
Two Point Museum
Shared: Simulation · Casual · Sandbox
Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics