Universe Sandbox May 2026
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)
Every cosmic story needs a center. You can begin by adding a to an empty simulation. universe sandbox
Once your planets are in orbit, you can flesh out their history. Adjust the axial tilt to create extreme seasons
