

There's an introductory tutorial and step-by-step activities built into the program. Buy the premium version for $9.95 USD to unlock all the features. Universe Sandbox is free to use forever for viewing and exploring simulations.

The premium version lets you create your own simulations, add new bodies (like planets and stars), and change all the various simulation properties. The free version of Universe Sandbox lets you explore and discover any of the included simulations for as long as you want. What's the difference between the free and premium versions? Purchase the Early Access version and read more.Ĭheck out the video preview, user videos, or view screenshots of the program in action. Universe Sandbox ² is a complete rewrite of the original and has been in development since fall 2011. At its core, Universe Sandbox is a gravity simulator (that very intentionally happens to be fun and easy to use).Ĭheck out the "what is it?" page for more info.
