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
- Earth with 100% On Both Statsby BlueMarbleSo, They made it that when you add hydrogen It doesn't give you 100 on both stats, so I had to make a reupload of this. This is ACTUALLY my object from back in october and I was ACTUALLY the first person to do this, but because of the new hydrogen update, I had to remove all the hydrogen and voil...1.0k downloadsupdated 8 y ago
- Somewhat Realistic Giantsby definitely not a tauA few designs of mine for different parts of the Sudarsky scale, AKA how gas-giants look according to temperature, from Class 1 (Jupiter/Saturn) to Class 5 (very dark, very hot objects). Note that the physical properties (and temperature) of each one is entirely arbitrary (that is, not going by t...1.0k downloadsupdated 3 y ago
- Terraformed Curio With Vegetation, Climate, Cities, White Clouds and Atmosphereby BlueMarble"Another one," that one meme guy said. Enjoy. ((Next up is Kerbol Planets.)) -BlueMarble.1.0k downloadsupdated 8 y ago
- Star Size Comparisonby 76561199564425821Just a little size comparison of the stars of the universe. From the pulsar PSR J1841-500, to the very huge Quasi-Star. Even including the Moon, Earth and Jupiter for a sense of scale on how big stars can really get.999 downloadsupdated 3 y ago
- THE FLIP SYSTEMby 76561198421578279WARNING - PLEASE DO NOT GO OVER 1 DAY KEEP THE TIME UNDER 1 DAY, because stuff might be ejected and runiedl and best time frame would be 1 MIN - 1 HOUR or just pause, also disable Collions, Fragments, and Temprature for a better expeirence RED TRAIL = DWARF PLANET WHITE TRAIL = PLANET/STAR/MOON G...999 downloadsupdated 2 y ago
- Candle Star System (UNIQUE TERRESTRIALS AND GAS GIANTS!)by BlueMarbleAfter many scrolls you, person, have made the right choice to land on this system. The candle star system is one of a kind, and very unique indeed, full of cool terrestrials and hot gas giants. I hope you enjoy. BlueMarble.995 downloadsupdated 8 y ago
- Fully Habitable Solar System(Custom SS)by BlueMarbleNo matter what, even if it's hot or cold, you'll always have a nice time on any of these planets! Enjoy!991 downloadsupdated 8 y ago
- Luna Star Systemby 76561199132944873So... I made my own solar system in Universe Sandbox 2. I call it the "Luna Star" because I was fooling around and accidentally turned the moon into a star... lol. This place has a lot to offer. 82 objects in total, orbiting the Luna Star. The first planet it Behemoth, a super-earth planet more m...988 downloadsupdated 5 y ago
- Rainbow sunsby tczarnotaLook at all those colours987 downloadsupdated 6 y ago
- fortnite season 5 mapby 76561199039194791985 downloadsupdated 3 y ago
- Terraformed 8-Ball with Vegetation, White Clouds and Atmosphere, Cities, and Climate!by BlueMarbleOk no more suggestions for a while this is too many lol. Enjoy, BlueMarble.985 downloadsupdated 8 y ago
- Dead stars.by 76561198438587853Dead stars. It's not real?984 downloadsupdated 12 mo ago
- Solar System But Hypothetical objects Are Realby ShaxuSOur Solar System is NOW home to twelve planets (six terrestrial inner planets and six giant outer planets), the asteroid belt between Vivehth and Jupiter, and the trans-Tychenean objects beyond Tyche. Notable dwarf planets and other large objects include Ceres (in the asteroid belt), Nemesis (bey...983 downloadsupdated 15 mo ago
- HIP 9618 Exoplanet Systemby 🐋 Syz°.fish 🐬Warm sub-Neptunes around a yellow dwarf in a possible stellar binary // HIP 9618, also known as TOI-1471 or HD 12572, is a real exoplanet system comprising one confirmed star and two known planets located 220 light-years away in the constellation Aries. The star, HIP 9618, is a G5-type yellow dwa...983 downloadsupdated 3 mo ago
- Cunus Systemby 76561199263301738The Cunus system is a system located in the outer milky way galaxy. Cunus is in a binary with a brown dwarf called Conuc. Cunus is a small red dwarf that contains a large system for a star like it. The first planet around Cunus is called Pele and is a very volcanic object. Earthlings think that t...982 downloadsupdated 3 y ago
- Breakthrough Starshot In Universe Sandbox 2by BlueMarbleThis is breakthrough starshot. A spacecraft with the mass of 1 gram, and 100 km in diameter. This craft is estimated to be traveling at .2 the speed of light, and is estimated to reach the Alpha Centauri star system in 20 years. While this is being worked on by nasa and co. I decided to put it in...982 downloadsupdated 8 y ago
- Jupiter España (Spain)by DayronZKill.VIVA ESPAÑA.982 downloadsupdated 6 y ago
- OGLE-2006-BLG-109L Star Systemby BlueMarbleOGLE-2006-BLG-109L Was discovered around 2006-2008 by OGLE(Optical Gravitational Lensing Experiment) With A star half the mass of the sun and two planets the size of Jupiter and Saturn, both with an orbit around 5-14 years. While there is a chance that there are more rocky planets around the orbi...981 downloadsupdated 8 y ago
- Beautiful tidally locked planet with life orbiting red dwarf starby DeMooniCA simple but beautiful system! My first upload to the workshop, hope u like it!980 downloadsupdated 6 y ago
- Kelpa Star Systemby BlueMarbleA thriving solar system, full of intelligent beings here and there, as they all form a newfound alliance near the center of the galaxy. Enjoy this brand new solar system. -BlueMarble,979 downloadsupdated 8 y ago
- Terraformed Earth With Vegetation, Climate, White Clouds, and NO CITIES :Oby BlueMarbleI have a terraformed Earth I told a few of you about, and today, I've decided I'll upload it to the workshop, so I hope you enjoy.978 downloadsupdated 8 y ago
- Mars Before And After Citiy Lights+TUTORIAL!by BlueMarbleMars before and after city lights. If you came for the tutorial, scroll down. It's very rare to find planets with cities on them. For me it's about a 1/400-600 chance to finding at least one or two. Lately, I figured out a new, more Updated way to do this. For anyone else that wants to do this to...975 downloadsupdated 8 y ago
- the whale incident 2023by 76561199195903986968 downloadsupdated 4 y ago
- Mini Galaxyby BlueMarbleWARNING: YOUR COMPUTER MAY CRASH. Enjoy! -BlueMarble968 downloadsupdated 8 y ago
- Habitable Planet And Moon ( Both With City Lights!)by BlueMarbleNOTE: If the lights do not appear, I am sincerely sorry. This is a Habitable planet and moon, both with city lights. These were both randomly generated planets with lights on them that I made a planet and moon. (Curio May Not Have water lol) Enjoy if this works!967 downloadsupdated 8 y ago
- Terraformed Mars NEWby 76561199026808958Terraformed Mars NEW with updated atmosphere,clouds and water959 downloadsupdated 5 y ago
- Pius Prime Planetary System.by BlueMarbleI hope you guys enjoy this. I love making these sims, and these objects. These ones in particular I really enjoy, and having them in a system together is such a good combo. Anyway, enjoy. -BlueMarble.959 downloadsupdated 7 y ago
- The Actual Solar Systemby 76561198986153494Bruh, we need MOONS!956 downloadsupdated 7 y ago
- Keriketh Prime, With Glowing Surface, And Red and White Bands.by BlueMarbleThis is one of my first gas giant uploads on the workshop, and this is also one of my favorite modded gas giants. I hope you enjoy it just as much as I do. -BlueMarble.956 downloadsupdated 7 y ago
- Beautus Prime with ACID CLOUDS, White and Green Atmosphere, Cold Climate, and Vegetation.by BlueMarble(Edit:) Future BlueMarble here. I'm finally going to be opening a discord server for anyone to join, so if you are interested, here's the link. It's relatively new with not many members, but I'm sure we can turn it into something great! :) Y'know, a lot of my stuff tends to be really extraordinar...950 downloadsupdated 7 y ago
- Earth - 2034 ADby ChrisTop2023: a rouge object fly's by the earth, the object is 1/3 the mass of Luna, yet 2/3's it size, the collision was beautiful 4 hours later a moon-massed rouge object was captured into a Geo-sync orbit. 3 days later, the moon (which is now 3000*c AVG) is about to smash head-on into the pacific ocea...946 downloadsupdated 5 y ago
- The Astraea Systemby ~Infinity~A huge system that i created for fun946 downloadsupdated 5 mo ago
- Solar system 7,93B of years laterby 76561199093760867The Sun is FAT945 downloadsupdated 6 y ago
- Theta 1.7by pawplpcA habitable exomoon bigger than earth,orbiting a gas giant in the habitable zone.It's 20 light years away from Earth.Enjoy.943 downloadsupdated 10 mo ago
- The mighty Watermelon solar systemby 76561199162727430Feel everything orbit the all greaty watermelon941 downloadsupdated 5 y ago
- HD 95086 bby 76561198880449275@A planet roughly 5 times the mass of jupiter, that orbits 56-61AU from its young star Do not repost or steal this object, thanks936 downloadsupdated 6 y ago
- Pre-Terraformed Moon with Vegetation, Cities, Blue Clouds and White Atmosphere, and Climate.by BlueMarbleYep, I was bored and when I made this I immediately loved it, so I thought you guys might as well. This is a quick upload, so ye. Enjoy. -BlueMarble.931 downloadsupdated 7 y ago
- Cradle Of Humanity - (Solar System)by 76561199583485448This Is A Mostly Finished Realese Of My Realistic Solar System Model, It May Be A Bit Laggy Due Too The Belts And Rings So Clear Them If You Cant Handle Them, Also This Took Me Alot Of Time So Please Enjoy, It Has Remastered True Color Planets And Gas Giants Along With Realistic Appearances For M...927 downloadsupdated 11 mo ago
- OG content with a lit planetby BlueMarbledefinitely OG. Enjoy, BlueMarble.924 downloadsupdated 8 y ago
- Leocornus R - Hypermassive Pulsar Black Holeby 76561199086598664Hypergiant Pulsar that eats galaxies like they're popcorn924 downloadsupdated 22 mo ago
- BIG FUCKING BANANA (+BIG FUCKING WHALE)by 76561199195903986whale mom, and her the best friend.920 downloadsupdated 4 y ago
- Orit Prime with 2 Atmosphere Colors, White Clouds, Cities, Forest Vegetation, Climate, and Blue-er Water!by BlueMarbleOrit Prime is one of my more recent and favorite objects. The two-toned atmosphere on this is amazing, and I love the surface, which fits so well with the polar caps, water, and Clouds. I hope you enjoy. -BlueMarble.913 downloadsupdated 7 y ago
- Gomilia system V0.7by 76561199446159058910 downloadsupdated 3 y ago
- Posci Prime With Many Colorful Bands, and Jupiter-Like Rings.by BlueMarbleOk, ok, I know this isn't one of my rocky planets, but I really like gas giants, and I'm hoping that more people will start downloading these objects as well, because I take a lot of time on them. Enjoy, -BlueMarble.910 downloadsupdated 7 y ago
- Galactic Center (Sgr A-Star)by hello?The Galactic Center is the rotational center of the Milky Way galaxy. It is composed of the supermassive black hole Sagittarius A* and the many stars which orbit it. This simulation includes Sagittarius A* and the predicted orbits of stars around it. The Galactic Center in real life has an orbiti...910 downloadsupdated 6 y ago
- Halloween Planet With Glowing Surface, Cities, ORANGE VEGETATION, Climate, Orange Atmosphere and Clouds.by BlueMarbleYey, I'm back. Sorry I haven't uploaded in a while. I've been very busy with school which is such a pain in the neck, so I've had to focus on that more than US2. But, I decided I'd come back real quick and upload a Halloween-Themed object for you all. I hope you enjoy it, and I will see you guys...910 downloadsupdated 7 y ago
- Lemon (AKA H u r t) with REALLY INSANE clouds, Vegetation, Climate, Cities, and a Tint.by BlueMarbleAs requested by someone on the comment section of "Accam Prime." I hope you enjoy it and I hope it makes your eyes hurt, ('Cause that's the whole point.) -BlueMarble.909 downloadsupdated 7 y ago
- the solar system but all the planets have been terraformedby 76561199088051992plain vesion of habitable planets . plans to add habitable moons moons909 downloadsupdated 4 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.

