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Universe SandboxSpaceEngine
Paid

One-time purchase from the website or Steam.

 Paid

A paid purchase, sold through Steam.

Windows, macOS, Linux Windows
  • N-body gravity simulation using Newtonian mechanics
  • Earth climate model you can alter
  • Seamless travel from galactic scale to planetary surfaces
  • Real catalogued objects mixed with scientifically based procedural systems
  • Paid only
  • Needs a reasonably capable desktop computer
  • Paid software
  • Procedurally generated regions are plausible models, not observed data
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.