Track noteworthy space objects in your browser in a 3D simulation of the solar system.

Universe Sandbox is a physics-based space simulator. It merges gravity, climate, collision, and material interactions to reveal the beauty of our universe and the fragility of our planet.

Free online space simulator in your browser. Create solar systems, spawn planets and stars, simulate realistic n-body gravity physics. No download required - play instantly!

With its unique sandbox mechanics, the game allows you to set up planets, stars, and even black holes to form a complete universe. It’s a perfect playground for space lovers and anyone who enjoys …

Aug 24, 2015 · Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the …

Sep 29, 2025 · Through realistic gravity simulations, planetary collisions, and climate modeling, it provides a sandbox environment for exploration and experimentation. Players can design solar …

Universe Sandbox is an interactive space simulator that grants users the power to manipulate astronomical events and explore the vastness of space in an engaging, accessible way.

Universe Sandbox 2 allows players to observe and manipulate the universe as a physical system. It offers a space where stars, planets, moons, and galaxies follow real-world physics. The simulation …

From the calm of the stars to the chaos of explosions, Sandbox in Space lets you shape your own galaxy sandbox adventure. Fly ships, spawn bots, and experiment with physics to see how far...