Universe Sandbox

Spec sheet

What it does

Universe Sandbox is a physics-based space simulator that combines gravity, climate, collisions, and material interactions.Read 11 Oct 2026 · universesandbox.com

Support

The support page offers troubleshooting guides and directs users to the forum and the maker's contact page.Read 11 Oct 2026 · universesandbox.com

Headquarters

Seattle, WashingtonRead 28 Sep 2026 · universesandbox.com

Founded

2011Read 28 Sep 2026 · universesandbox.com

Maker

Giant Army LLC creates educational, physics-based astronomy software; its site says it was founded in Seattle in 2011.Read 11 Oct 2026 · giantarmy.com

Climate and materials

The simulator models planetary climate and lets users build and terraform planets with materials including water, oxygen, and carbon dioxide.Read 11 Oct 2026 · store.steampowered.com

Create systems

Users can build star systems with planets, moons, rings, comets, and black holes.Read 11 Oct 2026 · universesandbox.com

Development status

The FAQ describes Universe Sandbox as Early Access software and says fixes and improvements remain planned.Read 11 Oct 2026 · universesandbox.com

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.Read 11 Oct 2026 · universesandbox.com

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.Read 11 Oct 2026 · universesandbox.com

Gravity

It simulates N-body gravity using Newtonian mechanics, with adjustable simulation speed.Read 11 Oct 2026 · universesandbox.com

Mobile limitation

The maker says a mobile version for phones and tablets is in development, with no availability date stated.Read 11 Oct 2026 · universesandbox.com

No demo or free version

The FAQ says there is no demo and that the maker has no plans to release a free version.Read 11 Oct 2026 · universesandbox.com

Other features

Features include stellar evolution, supernovae, procedurally generated planets, stars and galaxies, and historical spacecraft simulations.Read 11 Oct 2026 · universesandbox.com

Sharing

Users can share and explore simulations through Steam Workshop.Read 11 Oct 2026 · universesandbox.com

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.Read 11 Oct 2026 · universesandbox.com

Plans and prices

Every Universe Sandbox plan and price →

Where Specifiction places it

• Astronomy Apps#29 of 357.3