The best Sandbox Game alternative to Universe Sandbox is Solar System Simulator, which is free. If that doesn't suit you, our users have ranked more than 10 alternatives to Universe Sandbox and four of them are Sandbox Games so hopefully you can find a suitable replacement. Other interesting Sandbox Game alternatives to Universe Sandbox are Space Crash Simulator, Space Simulation Toolkit and Galaxy Engine.
In this app you can explore almost any moon or planet of our solar system and visit remarkable nearby stars and see their location in the Milky Way. But you can also change existing bodies or add new ones and make a solar system of your own.
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!.
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings.
Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!.
