Created in homage to Populous, Reprisal's Universe spans 34 planets and over 200 islands pitting you against 3 other tribes - each with their own aggression traits. The first release of the new OS — Mac OS X Server 1.0 — used a modified version of the Mac OS GUI, but all client versions starting with Mac OS X Developer Preview 3 used a new theme known as Aqua. Aqua was a substantial departure from the Mac OS 9 interface, which had evolved with little change from that of the original Macintosh operating.

What is Universe Sandbox?

Universe (itch) Mac Os Catalina

Universe Sandbox is a physics-based space simulator that allows you to create and destroy on an unimaginable scale while exploring the cosmos. It merges real-time gravity, climate, collision, and physical interactions to reveal the beauty of our universe and the fragility of our planet.

Work on Universe Sandbox began in fall of 2011 and it continues today by a growing team of talented developers, artists, and scientists.
Learn more about Universe Sandbox, or learn more about the team.

Where can I buy it?

Universe Sandbox is now available for Windows, macOS, Linux/SteamOS, HTC Vive, Oculus Rift+Touch, and Windows Mixed Reality.

Buy on our website or via...

Universe Sandbox is in Early Access development.

What does 'Early Access' mean?

Universe (itch) Mac Os Download

Universe Sandbox is Early Access software. We have many fixes and improvements planned. You, the Early Access user, will help us uncover bugs and highlight areas for improvement. Buying-in early means you won't have to wait to explore the many new and exciting features that are already in place. Just know that all of the final polish isn't quite there yet.

Learn more on our Steam page.

What platforms does Universe Sandbox run on?

Windows, macOS, Linux/SteamOS, HTC Vive, Oculus Rift+Touch, & Windows Mixed Reality.

See system requirements below.

Is there a demo?

No, we do not have a demo available for Universe Sandbox.

If you buy it directly from us and decide you do not like it, just let us know and we will issue a refund. If you buy it from Steam, you can request a refund within 14 days of purchase and with less than 2 hours of playtime. Learn more about Steam's refund policy

Where can I buy the soundtrack?

The original soundtrack is composed by Macoubre. It is still a work in progress.

We plan to offer the soundtrack for sale separately from Universe Sandbox, but we can't yet say when it'll be available. Sign up for our newsletter to stay in the loop