Universe Sandbox ² Now Available
Spawn massive stars, launch asteroids, and manipulate gravity with just a few clicks.
Fun & Interactive
Explore our universe through unlimited experimentation.
Easy to Use
Intuitive, game inspired controls make creation and destruction effortless.
Use Newton's law of gravity to simulate the motions of the planets, moons, and stars.
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What does "Earliest Access" mean?
Universe Sandbox ² is still in early development. We're not done fixing many of the issues and improving it as we get it ready for Early Access here on Steam. Buying-in early means you won’t have to wait to explore the many new and exciting features that are already in place, but know that you will encounter bugs, crashes, performance issues, and incomplete features.
Screenshots from the original...
Rip Saturn's rings apart with a rogue planet.
Create impossible arrangements of planets.
Experiment with our solar system.