ModsUniverse 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
- Lorsa Systemby 76561198420286720The Lorsa system is a system of stars and planets orbiting an un-identified object with strange properties, with a potentialdwarf planet orbiting very close. All missions to get anywhere close this object have failed, because the sattelites mysteriously shut down and lose all energy. There are a...139 downloadsupdated 4 y ago
- Crinkle Star Systemby 76561199863195303to Neptunian Guy: Note: The sim may not show but Crinkle A and Crinkle B are binaried, Crinkle CB orbits Crinkle CA, and Crinkle DA and Crinkle DB are binaried. Crinkle CA and CB orbit the barycenter of Crinkle A and B, while Crinkle DA and DB's barycenter orbits Crinkle A and B's barycenter. Sta...139 downloadsupdated 16 mo ago
- M-Type star system (By DogePro)by 76561198973820307M-Type star system (Red Dwarf system) = 2 Planet = 1 Gas Giant = 1 Moon139 downloadsupdated 4 y ago
- Custom Gas Giantsby Harambe 41@All made by MPG but i added more stuff to make a size comparison.139 downloadsupdated 6 y ago
- Multiverse and Universal Gravitation Simulation - Tatsunori Onoby 76561198939160761Multiverse expressed with infinite numbers of Earths. Tho, by the universal gravitation, they collide and eventually turns into a blackhole.139 downloadsupdated 4 y ago
- More accurate solor systemby synnarcHello there! This is the solor system but more accurate. I hope you enjoy! Verson 5.1 This is a minor update that adds a few more things. What's new: 1. Three new minor planets 2. One new Near Earth Object 3. Even more lag than there already was139 downloadsupdated 4 y ago
- Real Brown Dwarf Pack 1by ByllThis Contains Real Brown Dwarfs(I Didnt Look So Good) GIVE CREDITS139 downloadsupdated 2 y ago
- Terraformed Black Holeby ajnunez89TERRAFORMED BLACK HOLE FOR REAL 100% NO CLICKBAIT Uhh, yeah, I didn't actually terraform a black hole beacuse terraforming a black hole is literally impossible. So, I replaced a black hole, and tried to resemble a black hole using dark colors and making it small but giving it a large mass. So, I...139 downloadsupdated 15 mo ago
- Star Wars Tatooineby 76561198955250431Tatooine from star wars (I tried my best to copy it)139 downloadsupdated 5 y ago
- Talos System Arknights; EndfieldThe Talos System The Talos System is a distant planetary system centered around the star Hephaestus. It contains nine major planets, ranging from small rocky worlds to enormous gas giants and distant ice giants. The system's names are largely inspired by Greek mythology, particularly figures, cre...139 downloadsupdated 3 mo ago
- Kepler 22bby 76561198866428675The First Planet look Like Earth138 downloadsupdated 8 y ago
- Get Good Planets+stars 5.0by HowquaThis is a sim to get planets. pls take the planets to+rocky planets have a cool atomsphere which is good138 downloadsupdated 22 mo ago
- The Last Black Holesby 76561199092298937In the deep dark when almost all stars burn out. Blackholes will rule the universe,but for how long? Well somewhere outside what used to be the Milky Way lies a black hole binary where the last part of life remains soon after 1 billion years this black hole binarry will merge into the supermassiv...138 downloadsupdated 4 y ago
- Communal System.2by Delta+CT-D37's planet138 downloadsupdated 5 y ago
- Voyager 1by skattnadz1the years is 3146 the 32nd century NASA has just got a signal from voyager 1 the first conact in 1000 years! NASA orders voyager to take a picture and what they saw was jaw droping. The sun had gotton wrecked by a newtron star and well went supernova NASA is still trying to know where the sun or...138 downloadsupdated 8 y ago
- Tau Ceti Solar Smashby 76561199136483004A star system from the game Solar Smash138 downloadsupdated 2 y ago
- Halo Reach [Epsilon Eridani system]by 76561199017484706Info taken from Halopedia.org 7 planets in total Halo Reach planets, not enough info about other planets like Epsilon I or Epsilon IV, not sure about the orbital position of Tantalus, Circumstance or Beta Gabriel. Remember Reach...138 downloadsupdated 4 y ago
- Copper-9 (remake)by Blox2007 (the Last Fluorican)(Note: this is only according to what glitch productions shows us) you can either look at how copper-9 and the surronding objects look like or you watch the whole system fall apart copper-9 from the youtube series murder drones138 downloadsupdated 4 y ago
- Three Bodyby 76561198974291023stable three body138 downloadsupdated 4 y ago
- Proplyd 133-353 Rogue planet systemby 76561199203400160The rogue planet with a very large radius of 577,000 Km and that gas disk and type of subbrown dwarf system and larger then the largest exoplanet138 downloadsupdated 18 mo ago
- Size Comparison of Planets, asteroids, moons, and Exoplanets.by zisok4meSize Comparison of 100+- Objects138 downloadsupdated 2 y ago
- Milky Way 2This is the Milky Way here's our solar system the planets are mercury venus earth mars jupiter saturn uranus and neptune also dawrf planets ceres pluto haumea makemake and eris somtimes charon138 downloadsupdated 7 y ago
- The Material Composition Packby kuhan.engThese are the real forms of Isitergen,IRON,HYDROGEN,WATER and SILICATE.137 downloadsupdated 7 y ago
- The last month for earthby ChrisTopBefore: In recent year's, humanity has accidently killed it'self off by a Virus in a attempt to create water-decaying plastic as a replacement for current plastic, the virus was dubbed "K17-PXVI", the virus coulld infultrate the immune system, seeing the virus as non-threatining, it's takles the...137 downloadsupdated 4 y ago
- Solar System around Jupiterby 76561198880449275{Made by Madplanetguy on Youtube} This is a simulation of all planets and moons orbiting Jupiter. The main object is Jupiter, in binary with Saturn, with Uranus and Neptune orbiting them both with their moons. Keep in mind the game could break the system if sped up too fast, but keeping it at a r...137 downloadsupdated 6 y ago
- Ultramassive Black Holeby 76561198959922572This is an Ultramassive Black Hole i made with the milky way.137 downloadsupdated 7 y ago
- J1407-bby NeptunioThe super saturn j1407-b137 downloadsupdated 4 y ago
- Star Killer Base Destroys Star wars Planetsby 76561198829268984Note: I made none of these planets137 downloadsupdated 8 y ago
- The Quontar Systemby 76561199136483004(For convenience, all the names will be shown as their pronunciations) This star system is the home system of the Borvolo, a worm-like species with an average height of 5'8 and only have 1 eye. They have colonized their entire system and have set up colonies around several other stars. (The Borvo...137 downloadsupdated 20 mo ago
- The Sullust System (Star Wars Legends)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not mean't to run I used the Legends version of the System because It had way more information The Sullust System Is a star System consisting of 6 planets. 4 being rocky, and the other 2 being gas giants. The main planet "Sullust"...137 downloadsupdated 7 y ago
- Asteroid Size Comparison 2023by ByllBy omega Comparisons137 downloadsupdated 3 y ago
- Hot Neptune Packby ByllThis Contains Hot-Neptune Like Planets137 downloadsupdated 2 y ago
- The Multiverseby 76561199369611529The Multiverse Please do not repost or steal any of these items All made by me (Coolboylikesplanets) (DISCLAIMER If any objects posted on the steam workshop make sure to dm me in discord and give credit if you dont it will be taken down137 downloadsupdated 4 y ago
- Blacky's Galaxyby ObThundersnotHe got what he wanted.136 downloadsupdated 6 y ago
- my simby 76561199123348767do what ever136 downloadsupdated 5 y ago
- New horisons shooting at earth at lightspeed while just barely under the Earth's cloudsby RunningTheRealmsI promise, this will be AWESOME!136 downloadsupdated 7 y ago
- Football Marsby 76561198880449275@Mars as a football Made by Madplanetguy136 downloadsupdated 6 y ago
- The Gargantua Systemby 76561199097159591(from the move Interstellar) Millers world, Edmunds world, and Manns world all orbiting its black hole, Gargantua. This also comes with the neutron star that is not shown in the movie.136 downloadsupdated 4 y ago
- Sistema solar con Alfa Centauriby 76561199246083170Espero que les guste136 downloadsupdated 4 y ago
- Too Big To Comprehend.by 76561199211087370136 downloadsupdated 5 y ago
- Hyper-realistic Solar Systemby MandalorianThis is a hyper realistic version of the solar system, incuding Planet Nine, and the Milky Way.136 downloadsupdated 5 y ago
- Real Ice Giant Exoplanet Packby ByllIce Giant AKA Neptunes Are Gas giants That Are Mostly Composed Out Of Hydrogen And Ice136 downloadsupdated 2 y ago
- The Geonosis system (Star Wars Legends) (New rings)by Bravecylinder(NOTE) This system Is for demonstrational perposes only, It Is not mean't to run. I used the Legends version of the system because It had more information. I highly suggest to turn on orbits. It makes the simulation more enjoyable, aswell more understanding. The Geonosis system was a lineup of 6...136 downloadsupdated 7 y ago
- Solar System but With Terraformed Planets.by stufouHere is an example of all rocky planets terraformed in the solar system, one thing tho, earth has been ejected from orbit by some anonymous planet.136 downloadsupdated 4 y ago
- earth orbitting neutron starby mewman30the earth is orbiting a neutron star136 downloadsupdated 4 y ago
- Realistic Neptune systemby 76561198420320144It's the moons Triton, Larissa and Proteus!!! CREDITS IF YOU USE IT136 downloadsupdated 4 y ago
- Subnauticaby OllieIbbThis is th solar system of subnautica. I made upp all the other planets but 4546B and here two moons are in subnautica and you can se the moons in the sky on 4546B (the planet you crach on).136 downloadsupdated 7 y ago
- What you might want to learn (by LD!)Soon i will make the Full Solar System, but first since they are going to be in different colors you might want to learn this first the Red means that they are dwarf planets and the Green means they are asteroids. For example, the (Mars Trojan) means that a asteroid is close, so that's why it is...136 downloadsupdated 1 mo 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.