Sandbox | Universe

Every cosmic story needs a center. You can begin by adding a to an empty simulation.

Building a story in is a unique way to explore the "what ifs" of the cosmos, whether you are recreating famous sci-fi worlds like Star Wars systems or simulating the future of our own Solar System .

Once your planets are in orbit, you can flesh out their history. universe sandbox

Here is how you can put together a story using the tools available in the simulation: 1. Set the Stage (The Star)

Will it be a stable yellow dwarf like our Sun, or a volatile blue giant ? Every cosmic story needs a center

Adjust the axial tilt to create extreme seasons or "tidally lock" a planet so one side is always burning and the other is always frozen. 3. Add the Details (Moons, Rings, and Life)

In the , planets aren't just static spheres; they are made of 12 distinct materials , including iron, silicate, water, and hydrogen. Once your planets are in orbit, you can

Use the Habitable Zone view (shortcut 'H') to see where liquid water can exist.