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Universe SandboxNewsBlinded by the Light | Update 35.2
In-game event

Blinded by the Light | Update 35.2

Universe Sandbox · published 17 Jun 2025, 21:03 UTC · build 18902100

All newsPlayers around this dateRead on Steam

Watch the boiling surface of a star, then set off a supernova and light up your worlds (before your planets are vaporized anyways). Massive stars now leave behind a neutron star or black hole when they end their life with a bang, and much more!

Super(nova) Lighting

Supernovas now brilliantly light up space as they explode and boil away your planets. Be careful looking at them without your Space Goggles, they’re extremely bright before they realistically fade as they expand and cool down.

See Stellar Surfaces

Examine the boiling surface of a star. Cells called stellar granules are created when currents of plasma bring bubbles of superheated materials from the interior to the surface. Star surfaces are too bright for the human eye to see any detail, so we’ve used false colors to make these granules visible. Find it under

View > Perception > Star Surface Detail


Zombie Stars

Massive stars that go supernova now leave behind a remnant. For stars between 8 and 20 times the mass of the Sun, the remnant is a neutron star. Stars over 20 times the mass of the Sun leave behind a black hole.

More Highlights

NASA’s Lucy spacecraft, named after the Lucy fossil, passed nearby asteroid Donaldjohanson, named after the fossil’s discoverer, on April 20, 2025. This flyby was a test run before Lucy begins its main mission studying the Trojan asteroids that share Jupiter’s orbit. Check out our simulation of the encounter under

Home > Open > Lucy Spacecraft Encounter with Asteroid Donaldjohanson in 2025

You can now smoothly undo the deletion of a large number of objects at once with Ctrl+Z (or Cmd+Z on Mac), and they’ll even have their trails regenerated. You can also undo launching objects.

Exoplanet system simulations now include the inclination of known exoplanets around their host stars.

Before

After

3D data views no longer color points on the object surface that have a value of zero.

Before

After

Check out the full list of What's New in Update 35.2.

Please report any issues on our Steam forum, on Discord, or in-game via Home > Send Feedback.

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Other announcements

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Community20 Aug 202611-Year Steam Launch AnniversaryThe 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 architecture overhaul , and added winds sweeping gases across planet atmospheres, atmospheric drag to simulate meteors, a simulation of the Ar…In-game event19 Aug 2026Crashing Craters | Update 36.3Collision 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 Craters Craters from collisions with moons and small rock fragments alike are more realistic, blending naturally and better respecting an object’s elevation range and topography. Larger impacts now leav…In-game event25 Jun 2026Winds of Change | Update 36.2Watch 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. Atmospheric Winds Gases now sweep across planetary atmospheres by the newly simulated geostrophic wind . Check it out and customize the wind speed…