Universe Sandbox (v34.1.1)


Universe Sandbox is a realistic physics-based space simulator that allows you to create, destroy, and interact on an unimaginable scale.

It merges real-time gravity, climate, collision, and material interactions to reveal the beauty of our universe and the fragility of our planet.

Universe Sandbox includes the desktop version and a VR mode with support for the HTC Vive, Oculus Rift+Touch, and Windows Mixed Reality.

Simulate Gravity

N-body simulation at almost any speed using Newtonian mechanics. Real science, real physics, no supercomputer required.

Collide Planets & Stars

Epic, mind blowing collisions of massive planetary bodies that leave behind molten craters.

Create Your Own Systems

Start with a star, then add a planet. Spruce it up with moons, rings, comets, or even a black hole.

Model Planetary Climate

Watch sea ice grow and recede with the seasons because of a planet’s tilt – change the tilt and change the seasons. Or move planets close to a star and see the oceans boil away as the surface heats up.
Learn more…

Supernova a Star

Watch a supernova unfold by colliding two stars, cranking up their mass, or making them explode at your whim.

Explore Historical Events

Hitch a ride with spacecraft including Juno and New Horizons, or view a total solar eclipse.

Throw Planets in VR

Just grab and fling.

And more…

  • Material System – build planets out of Hydrogen, Iron, Rock, & Water
  • Stellar flares & volatile trails
  • Procedurally generated planets, stars, & galaxies
  • Pulsars
  • Light-warping black holes
  • Epic space lasers
  • Shape oceans & mountains on planet surfaces
  • Spin planets apart with centrifugal force
  • Original soundtrack by Macoubre
  • Support for 20+ languages
  • Share & explore simulations on Steam Workshop

OS: Windows 7 SP1+ (64-bit)*

Processor: 1.6 GHz dual-core

Memory: 2 GB RAM

Graphics: 2 GB Video Memory†, Shader Model 5.0

DirectX: Version 11

Storage: 2 GB available space

Additional Notes: * A 64-bit version of Windows is required for Universe Sandbox updates after November 2018. Users on 32-bit systems can still run previous versions. Learn more  Laptops or other computers that use integrated graphics (rather than dedicated graphics hardware) may see issues with Universe Sandbox even if they meet the video memory requirement. Dedicated video hardware is recommended.
Processor: 3.6 GHz quad-core

Memory: 8 GB RAM

Graphics: 4 GB Video Memory

DirectX: Version 11

Additional Notes: For VR, see recommendations from your headset manufacturer

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