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
- Pandora from Avatar(with life)by 😎Толя Солома😎I tried to make living Pandora and i did it! I took information about it on AVATARwiki. Unfortunatelly i dont know how to change colors of Polemhemeus(it looks not exactly like in movie) P.S. sorry. my english is bad. PLZ give me your opinion about it. P.S.S i will update this system with new pla...131 downloadsupdated 7 y ago
- Chat System #1by ChippySystem Made By Chat131 downloadsupdated 4 y ago
- Interstellar - Gargantua with planets!by DimTheEnderwomanSpecial thanks to Santi RP for making Gargantua. I made the planets and changed the backround and changed the mass for Gargantua because for some reason Santi made it over 7 billion suns in mass even tho its only 100 million suns. Enjoy :3131 downloadsupdated 8 y ago
- The Solar System but SolarBallsby 76561199473040583The Solar system131 downloadsupdated 3 y ago
- Battle of Endor II (Star Wars Cannon)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not meant to be played. THE BATTLE OF ENDOR II Imperial activity suggest a massive project was being built. Knowning of this, the Rebel Alliance masses at a nearby system, known as the "Sullust" system. The Rebel Fleet launches a...131 downloadsupdated 7 y ago
- Realistest Quasarby AthelRealistest Quasar %100 Reality..131 downloadsupdated 8 y ago
- Gallifrey's Solar System (From 'Doctor Who')by thehazmobile@UPDATE: For whatever reason or other, the Solar System decided for screw up right after I submitted this after DAYS of working great. I will attempt to fix within the next few weeks; you guys are free to have a go yourselves too. Located in the Constellation of Kasterborous, Gallifrey has long b...131 downloadsupdated 6 y ago
- The Aethelgard Systemby 76561199263414212READ NOTES AND DESCRIPTIONS AT THE BOTTOM!!! The Aethelgard system is a solar system about 30 million lightyears away from our solar system, and was first discovered in 20XX, using a powerful telescope even more powerful than the JWS, and using FTL travel, Humans have successfully found the first...131 downloadsupdated 6 mo ago
- The Entity System [REDUX]by 76561198799030479This is a remake of an old system I made. It's almost entirely different from the original system, except for the concept of a living star. I hope you enjoy exploring this system. The Entity System ==== -The Entity A living Star that is able to communicate with us in Morse Code using solar flares...131 downloadsupdated 3 y ago
- Human-Scale Object Size Comparison131 downloadsupdated 15 mo ago
- The Moon Woke UpDestroying Earth Pt 10131 downloadsupdated 5 mo ago
- Holds soler sistum come and seeby 76561199118233959the world / star is big the bhehined it is gas jiants and planets and moons come and learn more130 downloadsupdated 5 y ago
- Jacrea Systemby 76561199002704206The Jacrea System This is the Jacrea System, It is a made up system overpacked with small particles thrown from the Jacanom Planet. There are 2 stars, one orbiting the other. Jacrea A - Main Star Jacrea B - Star orbiting Jacrea A Jacrea C - A Jupiter sized planet orbiting Jacrea B130 downloadsupdated 5 y ago
- Hepitarusby RyCraft2006A planet with life around a small star near a black hole hope you enjoy :)130 downloadsupdated 8 y ago
- Alpha centauri cby Raynate2022This is not actually real this is just for entertainment Yes you can delete the sun Alpha centauri c130 downloadsupdated 6 y ago
- Sun - Earth - Lunarby 76561198337139008Just the sun, the earth and the moon in the correct distances.130 downloadsupdated 6 y ago
- Interstellarby GiuseppeThis is from a movie called interstellar130 downloadsupdated 4 y ago
- the milky wayby 76561198798888526can you find the sun?130 downloadsupdated 8 y ago
- Star Wars Planetsby 76561199003640099Make sure not to unpause130 downloadsupdated 5 y ago
- Runaway Magnetar!by LilRaspy130 downloadsupdated 6 y ago
- np systemby 76561199174274175np system is a solar system about 9 light years away 1. np 1 a star thats 1.34 times the radius of earth and 0.582 times the mass of the sun. 2. np 9 is a planet 0.00407 aus away from the star its the closest planet to the star its avg temperature is 539c its has no moons its losing mass by the m...129 downloadsupdated 20 mo ago
- How large would an asteroid have to beby Extincti0n 2: Electric BoogalooFor an asteroid to destroy all life on Earth, scientists estimate the total radius would have to be be 96 kilometers (60 miles). Nothing would survive from such an impact, extinguishing this magical thing we call "life". Thankfully, at this current moment, no asteroids this large are within the s...129 downloadsupdated 8 y ago
- Arigiant Septuple Star System.by jeevacationThe Arigiant Septuple Star System is a custom system with the alot of stars rounding in at 7 stars. So in this simulation you can see all the stars and goldilocks zones and the orbits for the stars and planets, some on the orbits are really eccentric and others are perfect no system can be perfec...129 downloadsupdated 8 y ago
- Cool Alien Planetby 76561198940168094Its a Cool Alien Planet!129 downloadsupdated 7 y ago
- Star Wars Basesby Harambe 41Including Custom Ones...129 downloadsupdated 5 y ago
- Very big multi star systemby jhroot.lee@This star system is the biggest I have ever constructed. Star system contains type 2.2 civilization, many, many, many planets and interesting objects. This is my attempt to make the most interesting star system I can construct, so please enjoy! :D B-class main sequence star It was once O-class a...129 downloadsupdated 6 y ago
- BFDI Systemby 76561198984485690THIS iS all the caricer OF BFDI (exesept SPONGY129 downloadsupdated 6 y ago
- The Prakith System (Star Wars Cannon)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not mean't to be played. The Prakith System was a star System located In the Deep Core of the galaxy. The main planet of the System "Prakith", that because Its terrain Is unstable, invasion forces would have trouble concouring It....129 downloadsupdated 7 y ago
- THE UNIVERSE SIZE COMPARISON 2020!FULL RELESEby ByllIT´S OUT!And alots of AMAZING OBJECTS This is made by(Alex´s Universe age 11)(Universe-YT) Use Radius chart in the chart symbol then your good to go explore!129 downloadsupdated 7 y ago
- Universe Size Comparisonby 76561199022838658@My Own universe size comparison that took a crap ton of time to do it but there it is NOTE: The Pistol star, MU Cephei and VV Cephei are actual stars that aren't in the game so i re-created these guys. Their Size is probably not 100% accurate129 downloadsupdated 6 y ago
- Orion Nebulaby Harambe 41Orion Nebula In Universe Sandbox129 downloadsupdated 4 y ago
- Interstellar Gargantua Systemby AnaisStardustMy rendition and imagining of the Gargantua Black Hole system seen in the movie Interstellar. Gargantua is a supermassive black hole with 100 million solar masses that, in the movie, is orbitted by 5 objects: Miller's Planet, Mann's Planet, Edmond's Planet, the star Pentagruel and an unnamed neut...129 downloadsupdated 18 mo ago
- Neptunian Guy NeptuneA Present For You Also We Asked For More Satellite And The Did And It Was James Webb129 downloadsupdated 5 y ago
- It's being RAIDEDby GravitywavemanThe COMEST are Here! AMERICA is HERE! And more! PS PSS128 downloadsupdated 8 y ago
- The sun supernovaby 76561199147251591The supernova created by 2 suns crashing into each other.128 downloadsupdated 6 y ago
- GOLK-95a (Largest GOLK Known)by 76561198866428675GOLK-95 Known GOLK-95a Known Gilese 14000 66 LY From Mercury And Sun Discorveing GOLK-95ab A Red Rogue Planet You See On The Image Redigo Days:In GOLK 95ab 1 Day Means 532Days In GOLK-95ab128 downloadsupdated 8 y ago
- Habitable Moon in Negative Luminosity Systemby Chippy128 downloadsupdated 4 y ago
- The Kerbol System (Kerbal Space Program)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not mean't to be played. I've been playing alot of KSP lately, and thought It would be a great simulation in US2, so here It Is. My depiction of the Kerbol System. The Kerbol System Is a fictional solar system In the game "Kerbal...128 downloadsupdated 6 y ago
- Eternal Night Modby 76561198435703098(Side note: Yes, the sun is there but the clouds block the sun. Also the temputures are not set up yet.)) Story: starts at 8/7/2022 It starts when Mercury hits the sun. After that the solar system balance declined. After when that happen, then the whole system saw some minor changes... Pluto's an...128 downloadsupdated 5 y ago
- White Hole orbiting a Black Hole128 downloadsupdated 8 y ago
- The Collision Systemby 76561199055652942The collision system is the main system of the zechian universe, it has a total of 37 planets. All of these planets are hell worlds. The system has one habitable object with life, a moon named cremated. The basic lore of this system and the reason it’s called collision is because collision (the s...127 downloadsupdated 18 mo ago
- Chat Names a lot of moonsby Chippy127 downloadsupdated 4 y ago
- Iron Lungby 76561199217698222The moon from the "Iron Lung" game of the same name127 downloadsupdated 4 y ago
- synch v1.1 (no-ring version)by 76561198800623084the same as synch project but without rings (now it can run faster)127 downloadsupdated 5 y ago
- Hyper (small system)by 76561198866428675if this sim hit 5 stars (800 views) i will add Hyper E,Hyper D And Hyper I!127 downloadsupdated 7 y ago
- Mustafar Star Warsby Darth KeyvanPriate system in Star Wars. also known as Mustafar. Interesting objects: Jestefad - first planet, medium gas giant Mustafar - second planet, volcanic, where obi wan defeated anakin at the end of Star Wars III Revenge of the Sith Nur - Moon of Mustafar, last location in Star Wars Jedi Fallen Order...127 downloadsupdated 4 y ago
- The Godly Star Of Infinate Supremacyby 76561199131656962Biggest Star Possible in the Game!127 downloadsupdated 5 y ago
- Nemesis sistem whit the Solar sistemby 76561198375376190investigate this pls127 downloadsupdated 8 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.

