Create and destroy on a scale you’ve never imagined!
User reviews:
Very Positive (2,592 reviews) - 81% of the 2,592 user reviews for this game are positive.
Release Date: Apr 29, 2011

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“This is where Universe Sandbox succeeds brilliantly: players experience godly power to create or destroy, while almost unavoidably learning something about the physical properties of our universe.”
87/100 – PC Gamer

“Using the vast range of variables and tools at your disposal you can create some enormously convoluted displays of physics, bending cosmic laws to your will...”
80% – bit-gamer

Universe Sandbox ² Now Avaliable

Universe Sandbox, originally released in 2008 and on Steam in 2011, is no longer in development. We encourage you to check out our long awated sequel, Universe Sandbox ², now on Steam Early Access!

About This Game

Create and destroy on a scale you've never imagined with the ultimate space simulator.

Harness the power to create black holes, collide galaxies, and manipulate gravity with just a few clicks. Inspired by the software astronomers use to unlock the mysteries of our universe, never before has astronomy been so interactive or so much fun.

Spawn a massive moon to tear apart Saturn’s rings or launch a rogue star to rip the planets from their orbits around our sun. After unleashing catastrophic destruction, create your own solar system and share it with friends.

Key Features

  • Interactive, real-time, n-body gravity simulator
  • Change any property of any object at any time
  • Real physics, real data, real units, real science
  • Compare the objects in any simulation with chart mode
  • Supports anaglyphic 3D glasses and 3D DLP televisions
  • Built in tutorials and step-by-step activities
  • Includes 70+ simulations both real and fantastical
  • Extensive editing and creation tools make it easy to build your own simulations

System Requirements

    • OS: Windows 7 / Vista / XP Service Pack 3
    • Processor: 1.5 GHz Processor
    • Memory: 1 GB RAM
    • Hard Disk Space: 250 MB
    • Video Card: DirectX 9 level graphics card
Customer reviews
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Very Positive (2,592 reviews)
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1,960 reviews match the filters above ( Very Positive)
Most Helpful Reviews  In the past 30 days
5 of 5 people (100%) found this review helpful
45.0 hrs on record
Posted: October 14
Judging Universe Sandbox as a distraction shows up reasonably uncalled for. There are no boss, no buffs or driving forces, no movement up structure, and no target. It's generally a material science sandbox that spotlights on doing one thing right: gravity.

The begin is crucial. You place shakes in space, set differing physical properties, for example, speed, mass and thickness, then watch them whizz about while giggling with satisfaction at your control over the universe. On the off chance that you hit the nail on the head, their circle cuts a simple twist around the vacant dimness of space.

What's better time is disregarding what's truly critical. Adventitiously making Earth a vague size from the Sun and pinging Mercury and Venus out past Uranus, Neptune and the Kuiper belt into the interstellar medium, for instance. Of course accidently exploding Jupiter and study the waste blueprint into a second space shake belt.

The choices you have for destruction are for all intents and purposes as differentiating as the choices for development. You can essentially destroy a planet, however it's extensively all the more intriguing to detonate it into eight abnormalities. Then again 16. Then again 237. On the other hand, best of all, shred the planet and give up it as a dusty space cloud.

Subsequent to stacking up a model of our adjacent planetary system, I intentionally turned each and every planet to clean, and animated time so that reliably in this present the fact of the matter was ten days in the reenactment. Mercury was the first to spread out into a ring, trailed by whatever remains of the parts of Venus, Earth and Mars. A couple of hundred years at some point later, the adjacent planetary structure was irrelevant more than a development of concentric rings of clean. Which, looking sensibly, is to some degree pitiful.

Universe Sandbox's most essential accomplishment, in any case, lies in laying out how the constrain of gravity effects each and every question in all of closeness. One condition has balls, dice, golfballs and footballs circumnavigating a wide pounding down a couple pins ball. Before long, they cluster together into minimal social events like infant youngster planets.

That is the thing that lifts this above most particular material science reenactments: the acclimate kept up between guaranteeing that techniques are totally tended to and in the meantime guaranteeing that the sim is enough open to get and play with. Not every single physical system is famously represented (almost the entire way in light of the way that we don't yet splendidly watch each physical technique), yet it's enough right to answer fundamental demand, for example, "what's the most gainful approach to manage journey the Earth into the sun?" The reply, on the off chance that you were thinking about, is to stop it dead in its circle.

Moreover as with most redirections of this sort, you ought to be substance to make your own specific extraordinary times. Universe Sandbox won't portray to you a story, and it won't hold your hand past a brief instructional practice that demonstrates the interface. After that, you're in isolation in the universe, however with a heap of fansubmitted reenactments to play around with. It's significantly more fun messing about with those than making your own specific universe sans status.

The camera is a little fiddly on occasion, yet my most important grievance is that the test system doesn't run with any solid or music. While I regard that is sensible, given the nonappearance of troupes in the vacuum of space, it would have been awesome to make them envelop music mindfully twinkling without end past anybody's capacity to see.

Universe Sandbox isn't going to change your life. It isn't going to make you cry, and it won't sit in the most essential reason for your most-played outline in Steam for a critical long time. Regardless, on the off chance that you like the probability of a keen orrery that you can demolish detached and set back together in the way you like, and you're lively to empower it with a touch of imaginative essentialness, it's inconspicuous a superior approach than spend your cash.

(All reviews are retrieved from the Internet and piped through a succession of synonym tools three times both for humour and to save time. In my religion, this is known as Art(TM), but you can call it "Threewording")
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Most Helpful Reviews  Overall
369 of 401 people (92%) found this review helpful
16.0 hrs on record
Posted: November 26, 2013
When I say that I'd reccomend this game it's only to a small niche of people. Because I happen to fall in the niche I rather liked Universe Sandbox, though I can see where many people woud not. Universe Sandbox is pretty self explanatory in the title, its a astrophysics sandbox in which you can create and destroy solar systems, galaxys, or even galaxy clusters (if your computer is beefy enough) Many stats and attributes are tracked as you simulate the astral dance of heavenly bodies.

Things like density, spin, velocity, mass, and heat are all tracked and simulated to give you the most realistic expierience possible. Unfortunately, it doesnt get very realistic. My biggest gripe I would suppose is the physics. The game uses Eular math, or if you have a processing power Runge Kata. But eventually stable orbits will do someting completely random, sending a few planets and stars on random vectors straight out if your little "pitri dish". This doesnt bother me too much because it mostly only happens when it comes to simulating galaxies. On the solar system level it does quite well and it has enough options to accomodate nearly any computer's processing power. That is, if you can navigate the menus.

Theres lots of options and statistics for every celestial body and you can edit every fascet. the problem is, this creates a very confusing series of menus, with confusing abbreviations and volcabulary if you're not already familiar with scientific notation and units of measurement. If the menus were a bit more friendly I think it would open up this game to alot more people. The actual simulation field can be a bother to wrangle too. I found it sometimes likes to snap focus to nearly every other celestial body but the one I want to focus on. The "searchbar" at the top ended up being my best friend.

If youre like me, and you can wrangle the menus and put up with the sometimes sketchy simulation, it truely is a universe at your fingertips. This simulator will only take you as far as your imagination (or processor) will take you. Binary systems, rings around Earth -- have you ever wondered what it would look like if the earth had a ring then the moon crashed through it? The possiblities are more or less limitless, given your computer can handle the math. If youre into astronomy, physics or just enjoy space to any degree, this game is worth checking out.

Without an actual objectives or things to accomplish, this game falls short of actually being a game. It would be better described as an app. This one probably isnt right for the masses, but just right for the armchair astronomer in me.
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343 of 373 people (92%) found this review helpful
53 people found this review funny
8,697.0 hrs on record
Posted: December 1, 2014
Explore the Universe and make "what -if" scenarios. Many hours of fun.
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421 of 471 people (89%) found this review helpful
468 people found this review funny
10,001.1 hrs on record
Posted: May 18, 2015
What can I say?

1 hour of gameplay to explore the universe and get 12 of 16 achievements.
10000 hours to get the final 4 achievements AND become extremely good at doing nothing, seeing only the endless nothingness that exists in space, endeavouring to explore strange new worlds but seeing nothing, going where no man has gone before ..... wait .... that has already been done. There is nothing to see in our universe ...... NOTHING.

11/10. Would do another 10000 hours to finally see something.
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256 of 283 people (90%) found this review helpful
6 people found this review funny
5.6 hrs on record
Posted: December 13, 2013
Because you've always wanted to shoot earth into the sun
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187 of 205 people (91%) found this review helpful
5.3 hrs on record
Posted: July 12, 2013
Universe Sandbox is exactly what its name implies: a place for you to play around with astronomical bodies and see how changing various things will effect the macro-universe. I think it is one of the most unique and awesome titles on Steam. It is well put together, the physics in the game accurately demonstrate real-life laws, and the recent update that puts you directly into a tutorial the first time you start the game really helps you figure out the, at first intimidating amount of, options that you can play around with.

Whether for work, play, or educational purposes, Universe Sandbox is an excellent title that I don't think any Steam account should lack. If you have *any* interest, even a minute amount, in astronomy, physics, or even if you ever wondered what would happen to Saturn's rings if Neptune flew too close, you need to have this game. It's very relaxing to play with, and the the engine is extremely deep - allowing you to truly let your imagination run wild.

The GUI is clean and efficient, and the pre-built simulations and environments are extremely well put together and fun to play with. Some examples include:

Our Solar System
Local Galaxies
Earth & Moon
Saturn & Moons

*Physics Playgrounds:*
Small Scale Gravity
Floating Moons
Galaxy Collision

Buy now, build your own galaxy or satellite system, and watch what happens as time passes and you introduce variables into the equation.

*Bonus:* You can smash an asteroid into Earth to see what would happen, awesome for those bad days at the office.
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280 of 334 people (84%) found this review helpful
355 people found this review funny
3.4 hrs on record
Posted: October 30, 2014
Destroyed the earth with a sun sized teapot.

I also made the earth orbit around Gabe Newells head.

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201 of 232 people (87%) found this review helpful
57 people found this review funny
2.0 hrs on record
Posted: July 21, 2014
Be thankful that I'm not God.
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121 of 135 people (90%) found this review helpful
244.4 hrs on record
Posted: July 22, 2014
Universe Sandbox isn't a game per se; there are no bosses, aims or levels, merely an accurate model of astronomical bodies for you to fiddle with. It's really more of a toy – the virtual equivalent of a configurable orrery, except hugely more complex than any mechanical system.That complexity is one of the key attractions that Universe Sandbox possesses. Using the vast range of variables and tools at your disposal you can create some enormously convoluted displays of physics, bending cosmic laws to your will out of nothing more than a desire to see pretty patterns form on your screen.There are a series of example experiments to help ease you into the level of curiosity that Universe Sandbox requires – each one acting as a tutorial – but the real fun lies in creating your own simulations. The camera is a little fiddly at times, but my biggest complaint is that the simulator doesn’t come with any sound or music. While I appreciate that’s realistic, given the lack of orchestras in the vacuum of space, it would have been nice to have some ambient music quietly twinkling away in the background.Still, it’s hard to get too dissatisfied with Universe Sandbox when you factor in both the fact that it’s a one-man labour of love and that it’s available at a bargain price. If nothing else it offers something uniquely interesting and fun, which is quick to inspire imagination and creativity, even if it lacks the educational aspect that you might expect.
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173 of 213 people (81%) found this review helpful
173 people found this review funny
1.7 hrs on record
Posted: May 10, 2015
d4rk s0uls 3 is a gud gam3
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Recently Posted
Adrian Shephard
1.9 hrs
Posted: October 23
Great game 10/10 would merge 50 suns and crash
Helpful? Yes No Funny
38.4 hrs
Posted: October 22
10.10 its very peacefull and fun to just smahs stuff into nothingness
the only things i would like them to ♥♥♥ is a song and better BOOMS!
that will give it a 20.10 but i love it i recommade it even tho it cost money
Helpful? Yes No Funny
8.3 hrs
Posted: October 10
A very fun novelty to mess around with.

Get it if the idea of messing around with the gravitational forces of the universe sounds appealing to you. I certainly enjoy it but I can imagine the novelty of it not appealing to some people. Also includes ♥♥♥♥♥♥♥t achievements that essentially require you to ♥♥♥♥ around with files and computer settings.
Helpful? Yes No Funny
Chmewy The Dank
3.6 hrs
Posted: October 2
I really like to destroy out universe... So I really like this game :D
Helpful? Yes No Funny
7.5 hrs
Posted: September 25
Throw earth into the sun simultator
Helpful? Yes No Funny
6.6 hrs
Posted: September 24
very nice universe simulator, you can test your ideas and play as god for a while :)
Helpful? Yes No Funny
0.4 hrs
Posted: September 23
I like to generate 1000 earths and make them orbit 10 stars at once. After that I feel satisfied with life.
Helpful? Yes No Funny
1.8 hrs
Posted: September 23
Hello humans of steam! I have played this game for 51 MINUTES straight! This is possibly the best game of all time! I've seen Jacksepticeye and Mariplier (Sorry if spelt wrong) I shall post other reviews for other people in the 'Imagine studios' me and my imaganary friends came up with! Including they're reletives and who I roleplay as on popjam! If you like Space or maths or just both! This game is for you! So have a look it is 6. something. I hope you like this review of 'Universe Sandbox' and have a look out for the reviews of the creators of 'Imagine studios' and reviews for other games! It won't be long till an Undertale review comes out I do have it but I have to be careful when I play it. So this review is live from IMAGINE STUDIOS and have a look at the game and maybe I might make a website of chatting/roleplay and you can buy stuff! Thanks for listening and reading! - IMAGINE STUDIOS DIRECTOR/FOUNDER
Helpful? Yes No Funny
106.6 hrs
Posted: September 19
This not really being a game but very educational, I have actually spent many hours doing all sorts of stuff on the title.
Great for kids that want to learn about the planets and stars or even adults such as myself.
Helpful? Yes No Funny