Universe Sandbox -

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 .

You can even create a "Tiny System" by shrinking a star down to the size of a flashlight while keeping it hot enough to support life. 2. Build the Worlds (Planetary Composition) universe sandbox

In the , planets aren't just static spheres; they are made of 12 distinct materials , including iron, silicate, water, and hydrogen. Building a story in is a unique way