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Universe Sandbox

Seattle, Washington

Plans and prices

Universe Sandbox

$29.99one-time

Single-player · Windows/macOS/Linux · Steam Workshop

Every plan, in full

On the record

Climate and materials
The simulator models planetary climate and lets users build and terraform planets with materials including water, oxygen, and carbon dioxide.store.steampowered.com · read 11 Oct 2026
Create systems
Users can build star systems with planets, moons, rings, comets, and black holes.universesandbox.com · read 11 Oct 2026
Development status
The FAQ describes Universe Sandbox as Early Access software and says fixes and improvements remain planned.universesandbox.com · read 11 Oct 2026
Education
The maker describes the software as a classroom tool for exploring gravity, climate, orbital mechanics, and the solar system; educational licenses are available by contacting the maker.universesandbox.com · read 11 Oct 2026
Education licensing
Education licenses can be yearly and priced for a seat, classroom, or site; the page says offline DRM-free copies and updates during the subscription are included.universesandbox.com · read 11 Oct 2026
Gravity
It simulates N-body gravity using Newtonian mechanics, with adjustable simulation speed.universesandbox.com · read 11 Oct 2026
Maker
Giant Army LLC creates educational, physics-based astronomy software; its site says it was founded in Seattle in 2011.giantarmy.com · read 11 Oct 2026
Mobile limitation
The maker says a mobile version for phones and tablets is in development, with no availability date stated.universesandbox.com · read 11 Oct 2026
No demo or free version
The FAQ says there is no demo and that the maker has no plans to release a free version.universesandbox.com · read 11 Oct 2026
Other features
Features include stellar evolution, supernovae, procedurally generated planets, stars and galaxies, and historical spacecraft simulations.universesandbox.com · read 11 Oct 2026
Sharing
Users can share and explore simulations through Steam Workshop.universesandbox.com · read 11 Oct 2026
Support
The support page offers troubleshooting guides and directs users to the forum and the maker's contact page.universesandbox.com · read 11 Oct 2026
System requirements
The FAQ lists minimum requirements of 4 GB RAM, 4 GB video memory, and 4 GB available storage, with OS support for Windows 10 21H1+, macOS 11.0+, or Ubuntu 22.04+/SteamOS.universesandbox.com · read 11 Oct 2026
What it does
Universe Sandbox is a physics-based space simulator that combines gravity, climate, collisions, and material interactions.universesandbox.com · read 11 Oct 2026

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