Universe Sandbox
Universe Sandbox mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
2,316 mods, most downloaded first · newest update 28 Oct 2026
- SS 433 binary systemby Mandalorianfirst microquasar251 downloadsupdated 5 y ago
- The Maczimus System v3.3by 76561199382230785The Maczimus System The Maczimus System has a total of 40 major objects, one star, 13 planets (8 rockies and 5 gassys), 1 major asteroid, 2 dwarf planets and rest are the little moons of the planets. Advice: The system is stable to some extent, but unpausing is not recommended and shall be avoide...251 downloadsupdated 3 y ago
- Geonosis (Star Wars)by Space BananaThe closest copy of Geonosis I managed to make.251 downloadsupdated 6 y ago
- Red Giant Sun - Realisticby 76561198844457494Red Giant Sun solar system using the most accurate values possible.251 downloadsupdated 7 y ago
- Galaxy.by jeevacationdo anything i dont give a f***250 downloadsupdated 8 y ago
- end of the universeby 76561198892461027so everything nearly is going to explovedsun/moons/plants and more...250 downloadsupdated 8 y ago
- Milkomeda Galaxyby 76561198964096262The collison of Andromeda and Milky Way will result in this galaxy around 50% bigger than the Andromeda Galaxy but weighing only around 50% more than the Milky Way but with 100x as many stars.250 downloadsupdated 5 y ago
- K-Type star system (By DogePro)by 76561198973820307K-Type star system (Yellow dwarf system) = 6 Planet Venus-like = 1 Planet Habitable Planet = 2 Planet Ice Planet = 1 Planet Terrestrial Planet = 2 Planet250 downloadsupdated 4 y ago
- Planet Nineby funnynick249 downloadsupdated 8 y ago
- This is Way too Big!by Jay From SpaceLook at the Video to see how to make one.¸ SUBSCRIBE TO PEWDIEPIE249 downloadsupdated 8 y ago
- Mu Cephei (The Garnet Star)by 76561199102216543Its a red hyper giant wider than Mars orbit.248 downloadsupdated 4 y ago
- Hephaestus Systemby ajnunez89I have never actually made my own solar systems, so I'll be making mine. Welcome to the Hephaestus System, I tried to make this as realistic as possible, so I hope you enjoy. 4 Stars 6 Planets 15+ Moons I spent over 4 hours on this one system, I really hope you enjoy. Subscribe!247 downloadsupdated 15 mo ago
- Bevey - Rhylanor - Spinward Marches - Hex 3216by ButtersBevey - Rhylanor Subsector - Spinward Marches Sector - Hex 3216 Universe Sandbox version 34.11247 downloadsupdated 8 mo ago
- black holeby 76561199493464074the black hole is pulling this stars that looks like a galaxy247 downloadsupdated 4 y ago
- HD 189733bby 76561198880449275HD 189733b is a planet that rains glass sideways, it has 4,500mph winds and is about 2000F If you enjoy, drop a follow as I will make a lot more planets!247 downloadsupdated 6 y ago
- solar system with oort cloud and kuiper belt.by 76561199090069771246 downloadsupdated 6 y ago
- Tau Centi F, solar systemby 765611998059799011. Red star 2. 3 rocky planets 3. 3 gas giants246 downloadsupdated 6 mo ago
- Corniea Systemby Every_Villain_Is_LemonsJust some system I made245 downloadsupdated 3 y ago
- Urostveby Cranium9090first ever planet i've made :steamhappy:245 downloadsupdated 7 y ago
- 3 body system with many plannetsby 76561199028568318I created something accidentally breathtaking after trying to simulate a 3 body system. Take a look!245 downloadsupdated 5 y ago
- Realistic Kepler-22 bby ByllGive Credits245 downloadsupdated 3 y ago
- BETTER than you think245 downloadsupdated 4 mo ago
- new planetsby robertboothim making new planets in our solar system hope you enjoy soulter244 downloadsupdated 6 y ago
- Size comparisonsby MISANTHROPUMBlack hole and solar system size comparisons TON 618, S5 0014+81, M87 and SgrA*244 downloadsupdated 8 y ago
- DEN 1048-3956 Star Systemby 76561198324992035DEN 1048−3956 is a brown dwarf about 13.15 light years from the Solar System. This substellar object is very dim and is also a flare star.244 downloadsupdated 8 y ago
- Kepler-69 if i made itby WujekDobraRadaYes more crap on the funny number system. 69=sex More stuff is gonna apear ig244 downloadsupdated 2 y ago
- ThreeBodyby Vveronicaaaa244 downloadsupdated 7 y ago
- Largest Supernova!by 76561199066623460Useing about 30 stars to exploed, I made the brightest Star in the Universe!244 downloadsupdated 5 y ago
- solar system jashnaoby 76561198935831140a normal solar system with 22 places to see not including the star. with the star 23243 downloadsupdated 16 mo ago
- Ghost Planetby 76561198880449275Doesnt look like much, does it? Well it looks normal, until you place an object behing it... Dont steal this item or repost it in any simulations, even if edits are made, thanks! I hope you enjoy this item, if you do, visit me on YouTube and drop a follow on Steam! :) My YouTube My Discord243 downloadsupdated 6 y ago
- UY Scuti Gridby Chocice75A grid made from the largest star in US2, UY Scuti.243 downloadsupdated 7 y ago
- Red Giantby 76561199474057913Its a Red Giant! You can use this for your Solar Systems but make sure to give credit... It shoots actaul solar flares, And does coronal mass ejections! No really. Soooo yeah you can check out my ProtoStar Creation at my creations page!243 downloadsupdated 3 y ago
- ALLby 76561199134137373242 downloadsupdated 4 y ago
- Venus in the different habitable zonesby 76561198813674115Venus is a very hot planet as we know. But the reason its so hot has to with the atmosphere, and all the heat contained inside. So, we obviously know that Venus would not be habitable in the red zone because it would be way too hot at a whopping 717 degrees celsius. So, the habitable zone would b...242 downloadsupdated 7 y ago
- Solarae XIX Systemby 76561199044388666This is the first fake star system I made that i am sharing on steam!242 downloadsupdated 21 mo ago
- if we colniseed a new solar sistemby 76561199074508300plz engoy i worked hard on this242 downloadsupdated 6 y ago
- Orion Constellationby 76561198338838359@Here is the entire Orion constellation! Took me a while but I finished it. The only problem with it is the luminosity value of the stars. Some stars appear darker or lighter than they would in real life.242 downloadsupdated 6 y ago
- Kerbal systemby 76561198376177111This is a recreation of the the solar system is Kerbal space program, with correct sizes, the kerbal system is 10x smaller than our own. the orbit sizes arnt completly accurate, as well as the orbits of bop and pol there are also no moons, other than the joolian moons242 downloadsupdated 5 y ago
- Earth and Theiaby 76561198853640336This is not 100% accurate in design while this may be accurate because, Theia was about the same size as Mars. Anywho, Theia hit Earth a really long time ago. Upon this collsion some rocks got flung into space and collided forming the Moon.242 downloadsupdated 7 y ago
- Terraformed Solar Systemby ajnunez89I hope you enjoyed my terraformed dwarf planets, as now I am including the entire solar system! I gave each planet their own theme so you can recognize which planet is which. Also, I'm planning to release a terraformed pulsar, and it may come out tommorow. Anyways, enjoy, subscribe, and give cred...242 downloadsupdated 15 mo ago
- 三体文明by 76561198991067562242 downloadsupdated 7 y ago
- SUPER MASSIVE SUPERNOVAby 76561198934493782THE STARS GO BOOM!!!!!!241 downloadsupdated 6 y ago
- Manual Pulsarby DuscaraFollowing a comment left by YouTuber Novarald on the video "Universe Sandbox 2 - How to Make a Pulsar and What Are They Anyway?" by Anton Petrov: I made a working pular. I've only made what I retroactively realized could have been a pulsar when messing around. Feel free to open this up and save t...241 downloadsupdated 7 y ago
- Space Chip Suggestion system SUPERNOVAby ChippyMade by Space Chip for YouTube241 downloadsupdated 3 y ago
- Hypothetical Geocentric Modelby BarnacleFilmsContrary to popular belief, a good number of ancient civilizations actually calculated that the Earth was spherical, however they still had no knowledge of the fact that it was but one planet within a solar system, rather than a midpoint where all celestial bodies revolved around. Early astronome...240 downloadsupdated 8 y ago
- The Real Uranusby jeevacationNow this is how uranus should actually look. Give me credit if you use this is an upload.240 downloadsupdated 8 y ago
- Hubble & ISSby 76561198870713776Dans cette simulation, nous retrouvons la Terre, la Lune & 2 satellites artificiels à savoir la Station Spatiale Internationale et le Télescope Spatial Hubble de la NASA. L'ISS est basée sur la sonde Juno et Hubble est basé sur la sonde Casssini240 downloadsupdated 8 y ago
- PSR B1257+12 Neutron star with 3 planets orbitin 2 of them in the habitability zone of its star.by marcmg28PSR B1257+12 It is about 2300 light years away in the constellation Virgo.2 of its planets are Super earth with a mass of 4 to 5 times the terrestrial.So that they have liquid water on the surface it is estimated that they should have an atmosphere one million times thicker than theterrestrial so...240 downloadsupdated 3 y ago
2.3k mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.

