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Sandbox Universe

Sandbox Universe

110K plays 4.2 out of 5

Overview

Sandbox Universe is a 3D space simulator where you create your own star systems and watch them evolve. Add stars, planets, moons, asteroids, comets, black holes, and neutron stars — every object obeys the laws of gravity. Trigger collisions and witness catastrophic destructions, mergers, and debris scattering.

Videos and screenshots

  • Sandbox Universe screenshot 1
  • Sandbox Universe screenshot 2
  • Sandbox Universe screenshot 3
  • Sandbox Universe screenshot 4
Play Now

13,364 players online

How to play

  1. Open the game

    Press Play now and the game opens on its own screen.

  2. Follow the in-game instructions

    The controls and goals are shown inside the game as you play.

  3. Use the game menu

    The floating button over the game reloads it, saves it to your favourites, or takes you back out.

Game instructions

1. The game starts with the Solar System. Rotate the camera with your mouse or finger, zoom in with the scroll wheel or pinch gesture. 2. Tap "+" on the toolbar to add an object — choose from a catalog of real stars, planets, and other bodies. 3. Tap an object to view its properties: mass, radius, temperature. You can adjust the parameters and watch how they affect orbits. 4. Control time with the speed-up and slow-down buttons. 5. Open Scenarios — load a pre-built system or start from an empty sandbox. 6. Experiment: crash planets together, create binary stars, feed a black hole!

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