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From the developer
Official Steam announcements for this game
11-Year Steam Launch Anniversary
The 11th anniversary of Universe Sandbox’s Early Access launch on Steam is Monday, August 24, 2026!To celebrate this milestone, Universe Sandbox is on sale now through August 31.This year, we’ve already released the first part of our multi-year physics archite...
last mo.
Crashing Craters | Update 36.3
Collision craters form and combine together more realistically. You can also duplicate objects, watch black holes evaporate, and explore a simulation of a newly discovered exosatellite. Creating CratersCraters from collisions with moons and small rock fragment...
last mo.
Winds of Change | Update 36.2
Watch winds spread gases across planetary atmospheres, see the unique shape of any selected object with new stylized outlines, and adjust object compositions by percentage. We’ve also focused on eliminating issues with over 50 fixes and improvements. Atmospher...
About
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.