Universe Sandbox
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.
Your like matters. Every heart nudges this game's GamingPickz Score and where it ranks (a small 5% of the score), so the lists get better for everyone.
- Released
- 2015
- Developer
- Giant Army
- Platforms
- 1 systems
- Critics
- Not scored
- Steam Deck
- playable
- Download
- 4 GB
What is Universe Sandbox?
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.
Description as published by the developer on its own store page, read 30 August 2026. It is marketing copy, not our assessment.
The record
| First released | 23 August 2015 |
|---|---|
| Developer | Giant Army |
| Publisher | Giant Army |
| Platforms | PC |
| Genres | Open World, Sandbox, Simulation |
| Languages | 28 supported |
Source. Catalogue facts from Wikidata , seeded TBA. Store data from Steam, read 30 August 2026.
How was Universe Sandbox received?
Method. Player figures are Steam's own totals for the PC version, read 30 August 2026. The Metacritic score is the one Steam publishes on its store page and can lag the site itself. Neither is our opinion. We have not published a review of this game.
Accessibility
Seeing
None declared
Hearing
- Custom Volume Controls
Input
- Partial Controller Support
- Mouse Only Option
- Touch Only Option
- Playable without Timed Input
Difficulty
- Save Anytime
Method. Features the publisher declared on its own store page. A declaration is a floor, not a review.
What does it support?
| Capability | Support |
|---|---|
| Controller | partial support |
| Cloud saves | Yes |
| Cross-platform play | No |
| Mod support | Steam Workshop |
| Online play | Single-player only |
| In-game purchases | No |
| Steam Deck | playable |
| Download size | 4 GB |
| Add-on content | None listed |
| Age gate | None |
Method. Read from the publisher's Steam listing on 30 August 2026. Describes the PC version. Console versions differ.
What does it cost?
Steam price in US dollars, read 30 August 2026. Prices move hourly and vary by region. Check the current price.
Is Universe Sandbox worth it?
96% of 32,082 Steam reviews are positive, which Steam rates Overwhelmingly Positive. It costs $20.09 on Steam, on sale from $29.99. About 357 people were playing at once when we last checked, so it is still active.
That is the data, not a verdict for sale: whether it is worth it depends on the price you pay and what you want. We have not published our own review of this game.
How long is Universe Sandbox? How long to beat it
Total play time for Universe Sandbox is about 134.9 hours to do everything, and around 2.6 hours to reach the end of the main story. These are player-submitted times from HowLongToBeat, not our own, shown with the number of players behind each.
| How you play | Hours | Players logged |
|---|---|---|
| Just the main story: straight through the critical path | 2.6h | 2 |
| Completionist: everything: 100% the game | 134.9h | 2 |
At its current price of $20.09, beating the main story works out to about $7.73 per hour. That is the price divided by the hours, a value read and not a verdict: a longer game costs less per hour, which is not the same as being the better game.
Source: HowLongToBeat community submissions, read 2026-10-19.
Where Universe Sandbox sits on the grid
Compare the whole catalogueUniverse Sandbox plotted on the axes the GamingPickz Score is built from, on the full 0 to 100 scale so its position is its real one. Change either axis to see where it lands.
1 games have both
Players. The share of Steam reviews marked positive, pulled toward the catalogue average in proportion to how few reviews stand behind it. A game with 200 reviews moves a long way toward the average; one with 200,000 barely moves at all. Without this a title sitting at 100 percent on nine reviews outranks Half-Life 2 at 98 percent on 278,000.
Popularity. A blend of two things that are not the same. Audience is how many people wrote a Steam review, which is a floor on how many played it. Reach is how many language editions of Wikipedia document the game, which is cultural footprint rather than sales. A game can score high on one and low on the other: a huge free-to-play title has audience without reach, and a landmark console exclusive has reach without a Steam audience at all. Where both exist they are averaged; where only one does, that one carries it.
- PC
Every point links to that game's entry. The value map and the reception map are fixed views of the same data.
How positions are decided
No paid placement, no favouritism, live third-party data
- Placed by the published method, not by us. Every coordinate is computed from the axis definitions and weights printed on this site. Nobody moves a point. See the axes.
- Nothing here is paid for. No sponsored placements, no promoted slots, no arrangement of any kind affects a position. If that ever changes it will be labelled and sit outside the ranking.
- No favouritism, including our own. The 16 games we have written full reviews of are scored by exactly the same formula as the other 1,510, from the same third-party inputs, and they land where it puts them. Our own opinion of a game does not enter its coordinates.
- A position is not an endorsement. It says how a game was received and what it costs, not that we recommend it. Where we do recommend something, it carries a written review with a name on it.
- Fetched from live third-party data. Player sentiment from Steam, critic aggregates as published on store pages, prices checked hourly, attention from Wikipedia. Each figure carries its source and the date it was read, and we do not adjust any of them.
Is Universe Sandbox still active? Players right now
Universe Sandbox has a small, niche following: 357 people were playing at once when we last read Steam on 19 October 2026. This is a snapshot, not a live counter, and it is a recent concurrent reading rather than an all-time record. For what is trending across the catalogue right now, see the pulse.
How many people own Universe Sandbox
This is an estimate, not a sales figure, and the two are not interchangeable. SteamSpy samples public profiles and publishes a range; the range here spans a factor of 2.0, and that width is the honest part of it. We show both ends rather than a midpoint, because a midpoint would look like a measurement.
Steam only. Console and storefront sales are not counted, so a game that sold heavily elsewhere reads low here. Read on 19 October 2026. Where a publisher has announced a real unit figure, that appears separately and carries its source.
Estimated sales for Universe Sandbox
These are estimates, not reported figures. Giant Army has not published unit sales for Universe Sandbox, and nobody outside the company can measure them. What follows is arithmetic on the review count, with the method printed below so you can check it or reject it.
How this was calculated
Steam sales track review counts closely enough that dividing one by the other across games with published figures gives a usable multiplier. This is the standard method for estimating sales from outside a publisher.
| Reviews on Steam | 32,082 |
|---|---|
| Sales per review | 30 to 60 |
| List price | $29.99 |
| Assumed average selling price | 33% to 66% of list |
| SteamSpy owner estimate | 1.0M–2.0M, a different measure, see below |
What this cannot tell you
Steam only. Console, Epic, GOG and retail sales are not in here. For a game that sold heavily on PlayStation this is a fraction of the real number.
The band is wide because the method is imprecise. Review rates vary with price, genre, launch era and how insistently a game asks. Published analyses put the ratio between 30 and 60 for paid games, and we show the whole range rather than picking a point in it.
The owner estimate above measures something else. SteamSpy counts accounts that have the game, which includes free weekends, bundles, giveaways and gifts. It sits higher than a sales figure for that reason, and the two are not alternative answers to the same question.
Revenue is the shakiest line. It assumes an average selling price well below list because most copies move in sales, and it ignores regional pricing, refunds, key resellers and whatever deal the publisher actually has with Valve. Treat it as an order of magnitude, not a figure.
If Giant Army publishes a real number we will use that instead and say where it came from. Our editorial policy covers how we handle figures we cannot verify.
Universe Sandbox price & deals: is it on sale?
We have one reading so far: $20.09 on 30 August 2026. Prices are checked daily from here, and this becomes a chart once there is more than one point to join. A single observation is a price, not a history.
Latest Universe Sandbox updates & patch notes
Pulled from Universe Sandbox's own Steam feed on 5 September 2026. Posts marked as from the studio were written by the developer; the rest are articles Steam syndicated from elsewhere. Every one links to its source.
What readers say about Universe Sandbox
Reviews written by people who have played it. These are separate from the GamingPickz Score and are never averaged into it: that score comes from thousands of Steam reviews with a sample-size correction, and a handful of unverified ratings would distort it rather than improve it.
Loading reviews…
Universe Sandbox mods
Universe Sandbox supports Steam Workshop, and the 20 most-installed mods have 261,979 subscribers between them. The most installed is Nuclear War Simulation.
Did it run on your PC?
Tell other players how it ran on your machine. One tap, from your saved PC if you have one.
Where Universe Sandbox appears
The ranked lists and finder pages Universe Sandbox qualifies for, from its own genre and platform to what it takes to run.
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Games like Universe Sandbox
24 games overlap with Universe Sandbox on the tags Steam players applied to it, on genre, and on theme. The closest are Universe Sandbox Legacy, Cell to Singularity - Evolution Never Ends and Kerbal Space Program.
Part of the Universe Sandbox series
Universe Sandbox is one of 2 Universe Sandbox games we track. See the whole series ranked by the GamingPickz Score, plotted on the grid, and listed in release order:
Universe Sandbox head to head
See Universe Sandbox compared side by side, on score, price, specs and more:
More Universe Sandbox comparisons: vs LEGO Worlds, vs Google Earth VR, vs Heaven Island - VR MMO, vs Total War: WARHAMMER II, vs Need for Speed Heat, vs Age of Empires II (Retired), vs Fallout: New Vegas, vs Farming Simulator 22, vs Grand Theft Auto IV: The Complete Edition, vs Arma 2: Operation Arrowhead, vs Just Cause 2, vs Saints Row: The Third, vs Anno 1800, vs Car Mechanic Simulator 2021, vs Mafia II (Classic), vs Red Faction Guerrilla Steam Edition, vs Sniper Elite 5, vs Tropico 4, vs Age of History II, vs America's Army: Proving Grounds, vs Burnout Paradise: The Ultimate Box, vs Crusader Kings III, vs eFootball PES 2021 SEASON UPDATE, vs ENDLESS Space 2, vs Euro Truck Simulator 2, vs Europa Universalis IV, vs Forza Horizon 4, vs Graveyard Keeper, vs Hearts of Iron IV, vs Heaven Island Life, vs Jurassic World Evolution 2, vs Men of War: Assault Squad 2, vs Metal Gear Rising: Revengeance, vs Project CARS 2, vs Slime Rancher, vs Sniper: Ghost Warrior 2, vs Stronghold: Crusader, vs Stronghold Crusader HD (2012), vs Subnautica, vs The Escapists 2, vs The Sims 3, vs Transport Fever 2, vs Victoria II
Common questions about Universe Sandbox
What platforms is Universe Sandbox on?
Universe Sandbox is available on PC. It first released in 2015.
How much does Universe Sandbox cost?
$20.09 on Steam in the United States, read on 30 August 2026. Prices move often and vary by region, so check the store before buying.
Do players recommend Universe Sandbox?
96% of 32,082 Steam reviews are positive, which Steam rates Overwhelmingly Positive. That is players rating it, not our review. We have not published a review of this game.
Does Universe Sandbox work on Steam Deck?
Valve rates Universe Sandbox as playable on the Steam Deck, from its own testing.
How big is the Universe Sandbox download?
4 GB on PC, from the storage requirement on its Steam listing. Console versions differ.
Who made Universe Sandbox?
Universe Sandbox was developed by Giant Army and published by Giant Army.
Is Universe Sandbox worth it in 2026?
96% of 32,082 Steam reviews are positive (Overwhelmingly Positive), and it is $20.09 on steam. That is the strongest signal we hold; "worth it" depends on the price you pay and what you want, so weigh the sentiment against the current price above.
Is Universe Sandbox dead?
No. About 357 people were in-game at once when we last read Steam's concurrent-player figure. Peak activity is higher; this is a recent snapshot, not the all-time peak.
Is Universe Sandbox on sale?
Yes, right now. Universe Sandbox is $20.09 on Steam, down from its $29.99 list price (about 33% off), read on 30 August 2026. Prices move, so check the store.
How long does it take to beat Universe Sandbox?
about 2.6 hours for the main story, 134.9 hours to complete everything, from HowLongToBeat's player-submitted times. These are community medians, so your own run may be shorter or longer.