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
- Quasar of QUASARS!by madb13514 downloadsupdated 6 y ago
- Mark and Bobby osee277Planet name Mark Moon name Bob thats all :D513 downloadsupdated 11 mo ago
- Solar System All 'Possible' Asteroid and Dwarf Planets.The full solar system and made by LD. enjoy :)513 downloadsupdated 1 mo ago
- FOLATING RAMBOW-B v1 testby Boo Solo1 planet one with a 87% life and form when it star was fomed and after about 300 million years after it is called Salibe-1 1 moon called Salibe-1-1 with 27% life formd 1 billion years after Salibe-1 frome left over rockk 2 mager satllite starr graber is one made to go to thaer star and take pics...510 downloadsupdated 13 mo ago
- gas cloudobliteratorby 76561199002320354hot gas cloud506 downloadsupdated 3 y ago
- very realistic habited moonby Caps Lockthe way this system formed was that the gas giant migrated deeper into the system whilst preserving it's moons506 downloadsupdated 8 y ago
- Alderaan (Star Wars)by 76561199175536963Alderaan is a terrestrial fictional planet from Star Wars. It is located in "The Core Worlds", It is a planet covered with beautiful mountains, and has several large cities in the planet. Its Capital is Aldera, a beatiful city that lays on the surface of the planet.506 downloadsupdated 5 y ago
- Donut systemby 76561199069616507Welcome to the Donut system. I'm just playing around with the game.503 downloadsupdated 6 y ago
- Sagittarius Nebulaby Rais RexyThis simulations originally began with me spawning Sagittarius A and trying to make an accretion disk out of the most massive star as we know it... well it evolved NOTE: Might be technologically challenging501 downloadsupdated 8 y ago
- Timelapse [v1.0.2]by 76561198369183098Timelapse is located in a fictional universe where jupiter is a star, aswell as many other changes to the solar system. This system probably would not exist in real life, though it is fun to think of. Euraquians The Euraquians are the intelligent life of the system, they live on their home planet...500 downloadsupdated 4 y ago
- custom solarsystemby baconcustom solarsystem500 downloadsupdated 3 y ago
- the life of david jupiterby 76561199121498840499 downloadsupdated 4 y ago
- Cygnus X-1 Systemby HΛYDΞNThis is the Cygnus X-1 binary system. To learn more about Cygnus X-1 visit here:498 downloadsupdated 8 y ago
- WISE 0855–0714by 76561199565977852Welcome To the once "planet Rogue" WISE 0855–0714 or Wise is a sub-brown dwarf of spectral class Y4, located 7.4 light-years (2.3 parsecs) from the Sun in the constellation Hydra. It is the fourth-closest star or (sub-) brown dwarf system to the Sun and was discovered by Kevin Luhman in 2013 usin...498 downloadsupdated 10 mo ago
- The star shredderby SphinxWith some built in shredded stars494 downloadsupdated 7 y ago
- Venus vs Modded Venus Comparisonby nikofbeanI made this just to show how things can change with modding. (Also it seems I accidentaly made a atmosphere scattering, try landing on the modded planet.)494 downloadsupdated 4 y ago
- Leas Planetary Systemby 76561199017408551Leas is a blue gas giant with an mass similar to Jupiter. It has several moons. The moons scream your name. Bareus is a pink moon with an atmosphere. Its clouds are not edible. Jeabis is a red airless moon with rings. Its surface may be blood. Cyalias is a blue moon with an atmosphere. You will p...493 downloadsupdated 2 y ago
- Terraformed Mercury (50%)by KOMAINA slightly terraformed Mercury with a brown surface, oceans, a more clear but still beige atmosphere and with no human cities. - - - - - - - - - - Terraformed Bodies (50%): Terraformed Sun (100%):492 downloadsupdated 8 y ago
- Planet 9by 76561198345471841Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. This hypothetical Planet 9, probably similar to Neptune, has been calculated to be on an elliptical orbit coming to around 300 Astronomical Units (1 AU is the Earth–Sun distance).491 downloadsupdated 11 mo ago
- Eriks Nuke Warby 76561198973249984Looks like Aliens hate each other, SO I BRING YOU THE MARTIAN NUCLEAR WAR!491 downloadsupdated 7 y ago
- Pulsarby 76561199260769441Just my custom item named Pulsar489 downloadsupdated 4 y ago
- Nothingby 76561199211087370487 downloadsupdated 5 y ago
- CUBE PLANETSby 76561198880449275Do not repost this simulation or planets, thanks! If you enjoy, drop a follow on Steam and visit me on Youtube as I will make a lot more planets!485 downloadsupdated 6 y ago
- Mercury with realistic holes Compared with normalby 76561199830563013You can freely use my realistic holed mercury no matter watch! You can choose to credit me or not, I don't mind at all!484 downloadsupdated 5 mo ago
- Calidum System Pack (V1)by 76561199564906315(Its my first system, probably not perfect) In this system you gonna discover a lots of planets orbiting a tiny blue super hot star named Calidum: credits- LROUQ1-Enjoy :)483 downloadsupdated 19 mo ago
- WE WANT PLUTOby 76561199099429079@WE WANT PLUTO WE WANT PLUTO WE WANT PLUTO482 downloadsupdated 6 y ago
- Mh11's Custom Kerbal Space Program (Close Descoveries)by 76561199222084292This is The Second Addon to The Original System. Three New Objects Have Been Discovered Close to Kerbol. Based off of the Quadpack Mod for Kerbal Space Program UPDATES: All Rings Are Removed Due to Lag. Sorry! -Myles481 downloadsupdated 3 y ago
- Celestial News. The new moons of Uranus and Neptune.by 76561199263301738Back in 2021, 2 new moons of Neptune were discovered while back in 2023, 1 new moon of Uranus was discovered but it took a while for scientists to confirm there orbits. The new 28th moon of Uranus is called S/2023 U1. S/2023 U1 is about 8 kilometers in diameter. S/2002 N5 is the 15th moon of Nept...481 downloadsupdated 3 y ago
- 99942 Apophis 2015 Observation Trajectory Modelby adevnamedmlblairThe Closest Real Volumetric Approximation as of 2020/10/19 to Apophis 99942's makeup and characteristics. I put all the values as per the European Space Agency's 2013 Herschel Space Observatory infared observations. This increased the known size of 99942 by over 20%. I hope you enjoy using this s...480 downloadsupdated 6 y ago
- Gas Giant Templatesby 76561198880449275Everything here made by me (MPG) If you use these, please give credit, thanks!480 downloadsupdated 7 y ago
- Theia Impactby 76561198366423941About 4.5 Billion Years ago, a hypothized Mars-sized planet named Thiea has crashed into the Earth, the cause of Theia heading to Earth may be caused from Venus gravitational Influence that cause Theia into a collision course with Earth. The Impact was so violent that it nearly destroyed the Eart...480 downloadsupdated 8 y ago
- my mars life and moon lifeby 76561198415462550i will add more479 downloadsupdated 4 y ago
- the clusterby heinekenkegearth looking at our solar system, the milky way and other galaxies477 downloadsupdated 6 y ago
- INTERSTELLARby 76561198914324463477 downloadsupdated 7 y ago
- Planets with life and other planetsby beni367Planets with life and light.476 downloadsupdated 8 y ago
- Asteroid 33434 Scottmanleyby illectroSolar System with Asteroid 33434 Scottmanley475 downloadsupdated 7 y ago
- Comets of the solar system,Halley type all their orbits are data extracted from NASA,252 comets.by marcmg28Halley-like comets (CTH),which are periodic comets with an orbital period between 20 and 200 years,often appear only once or twice in a lifetime.Mos comet from between the orbits of Saturn and Neptune.Due to the nature of their orbits,their orbits can be disturbed by giant planets and sent to orb...475 downloadsupdated 6 y ago
- J1407-bby 76561199116543961this is the planet j1407-b, with its rings being 200 times bigger than saturns, but i think i made mine way bigger475 downloadsupdated 4 y ago
- One of the best thing to happen to three binary starsby 76561199800432357Two stars are binaried together whit another star ( all same mass)473 downloadsupdated 17 mo ago
- Kerbol Systemby {~Ame~}I give you the Kerbal Space Program (KSP) Solar System! Complete with accurate sizes, rotational periods, orbital periods, and orbital characteristics of the game. Please be sure to credit me if you use any of the objects in any of your uploaded simulations. Thank you! -TARMaster473 downloadsupdated 7 y ago
- Fully Terraformed Solar Systemby 76561199175536963This Simulation has all 4 rocky planets in the solar system fully terraformed, it also has the Moon and Ceres terraformed. All of these planets have human cities on them, which indicates that all the planets are habitable and are just like earth. Planets included: Terraformed Mercury Terraformed...469 downloadsupdated 5 y ago
- Ultra Realistic Mars & Venusby ajnunez89Do you remember when I made my Ultra-Realistic Earth with a red sunset? This time, I did it with Mars & Venus. Mars & Venus have blue sunsets because the light is scattered differently on these planets. I also added custom map for Mars and more thick clouds to Venus. If you are planning to add th...467 downloadsupdated 14 mo ago
- The Galaxy of Ratna [V2; The Alagadeon Cluster and Supernaturals]by 76561199211087370Here we have an elliptical galaxy named Ratna, home to many stars. It's actually meant to be hundreds of times the size of our galaxy, but sadly there are bugs for putting things far from the center. Quick recap: Ratna used to be owned completely by the dakadons, an advanced civilization who kept...466 downloadsupdated 4 y ago
- SFS Solar Systemby 76561199470896290The solar system from Spaceflight Simulator!466 downloadsupdated 6 mo ago
- The Big Bangby SailorYTRecreation Of The Big Bang!465 downloadsupdated 7 y ago
- Earth 2.0by 76561199112890536What if Earth was purple and had two rings?463 downloadsupdated 5 y ago
- Billion-Year Orbitby SolunaThis was an old project I created a while back. It's a hypothetical scenario in which the Earth is in orbit around UY Scuti's habitable zone. The original description for this video was an inaccurate jumble of broken English, but in the comments someone gave a much better explanation for what I w...463 downloadsupdated 8 y ago
- A New Light - The Binary System Of α Nyxaris & β Nyxarisby 76561199222793529A New Light: The Binary System Of α Nyxaris & β Nyxaris hello! welcome to this binary star system. currently, theres only 2 things you need to know about this system - both "stars" have been ejected from their host galaxy and are floating around in deep space, every single dot in the background i...463 downloadsupdated 9 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.