How many people are playing Universe Sandbox right now?

289 people are playing Universe Sandbox on Steam right now, making it the 1060th most played game on Steam. In the last 24 hours it peaked at 421 players. The number updates every few minutes.

What is Universe Sandbox's all-time peak player count?

Universe Sandbox's highest concurrent player count on Steam is 769, reached in April 2026.

Is Universe Sandbox good? What do Steam reviews say?

96% of 28,198 Steam user reviews are positive (Overwhelmingly Positive).

How much does Universe Sandbox cost on Steam?

Universe Sandbox costs $20.09 on Steam (US), 33% off right now.

Does Universe Sandbox work on Steam Deck?

Universe Sandbox is Unsupported on Steam Deck, according to Valve's Steam Deck compatibility check.

Universe Sandbox

by Giant Army · Released Aug 24, 2015

Steam Deck UnsupportedLinux & Deck: Gold

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Players now

#1,060

289

▼ 6.8%vs 24h ago · updates every minute

Review score

96% positive

Overwhelmingly Positive28,198 reviews

Owners (est.)1M–2M

24h peak

421

Highest seen769

Apr 19, 20267 months ago

Price on Steam

$20.09 −33%

$29.99Lowest ever $20.09 Oct 2026

RisingSteadyFalling

Players -6.8% in the last 24 hoursUpdated 12:24 UTC · tracking since 2013-01-01

Concurrent players

Last 7 days

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs and price history from Steam.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$20.09

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

Universe SandboxEdition
−33% $29.99 $20.09
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Reviews

96% positive of 28,198 · Overwhelmingly Positive · Live from Steam

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Steam Deck

Does not work on Steam Deck. Results from Valve's own testing.

Steam Deck Unsupported

✕Unsupported graphics performance

Steam Deck

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Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Oct 29, 2026, 9:07 PM UTC
Build 26307715the current build when we started tracking3.4 GB on Windows

Betas and other versions (2)

Sep 15, 2026, 1:33 PM UTC
update-36.3.2-dx12-fix · build 25323944
Attempted fix for crashing integrated GPUs
Jul 14, 2026, 3:25 PM UTC
update-36.2.3 · build 24194948
Last version that supports integrated graphics cards with DirectX 12 Feature Level 12_1

Patch notes

Oct 28, 2026
PatchScratching the Surface | Update 36.4
We’ve overhauled the underlying architecture of our surface simulation of oceans and atmospheres. This is part of a larger ongoing effort to provide a stronger foundation for new features and performance enhancements. You can also edit barycenter positions and…
Aug 19, 2026
PatchCrashing 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…
Jun 25, 2026
PatchWinds 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…
Apr 29, 2026
PatchBack to the Moon! | Update 36.1
Artemis II MissionThe recent Artemis II mission swept around the far side of the Moon, taking humanity farther than they’ve ever been from Earth. Experience it yourself in our new simulation, Artemis II: Humanity's Farthest Journey.Earthset created in Universe…
Mar 30, 2026
PatchPale Blue DOTS | Update 36
Blast apart rings with lasers, deform moons as they become tidally locked, vaporize meteors, and more! We’ve reconstructed the physics simulation architecture of Universe Sandbox to provide a new base for improving performance, finding and fixing issues faster…
Oct 23, 2025
PatchPlanet Nine’s New Nemesis | Update 35.4
Learn about the recently discovered sednoid 2023 KQ14 and why it challenges the Planet Nine hypothesis. Enjoy a handful of bug fixes and quality-of-life improvements like the ability to quickly fly to planets just by selecting an already selected object. We’ve…

Other news (9)

Aug 20, 2026
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…
Mar 19, 2026
Universe Sandbox Roadmap: 2026 & Beyond
Our first planned major release of 2026 is our physics architecture overhaul that will simulate meteors (atmospheric drag) and improve lasers. We’re also continuing development on life simulation, bringing Universe Sandbox to mobile devices, and other grand pl…
Dec 18, 2025
Pale Blue DOTS Preview Now Available | Physics Simulation Overhaul
For the last four years, we’ve been working on a major overhaul of Universe Sandbox to utilize the Data-Oriented Technology Stack (DOTS) from Unity, the game engine we use to build Universe Sandbox, toImprove performance now and in the future.Add new physics s…
Nov 24, 2025
Nominate Universe Sandbox for the “Labor of Love” Award
Every year, Steam gives the “Labor of Love” award to games that have been out for a while and continue to receive new content and support year after year. If you feel we are worthy, please nominate Universe Sandbox for the "Labor of Love" award!This year, we c…
Aug 21, 2025
10-Year Steam Launch Anniversary
The 10-year anniversary of Universe Sandbox’s Early Access launch on Steam is this Sunday, August 24, 2025! To celebrate this milestone, Universe Sandbox will be on sale now until August 28. Over the last 10 years, we’ve added so many new features to make Univ…
Mar 31, 2025
Universe Sandbox Roadmap: 2025 & Beyond

Patches & builds

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History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 96% on 2026-11-01 → 96% today (28,198 reviews)

Oct 31, 2026Sale −33%$20.09 (was $29.99)

History

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Trading cards

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