Mods / Simulations

• TTerraformed 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
• PPlanet 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
• EEriks Nuke Warby 76561198973249984Looks like Aliens hate each other, SO I BRING YOU THE MARTIAN NUCLEAR WAR!491 downloadsupdated 7 y ago
• PPulsarby 76561199260769441Just my custom item named Pulsar489 downloadsupdated 4 y ago
• NNothingby 76561199211087370487 downloadsupdated 5 y ago
• CCUBE 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
• MMercury 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
• CCalidum 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
• WWE WANT PLUTOby 76561199099429079@WE WANT PLUTO WE WANT PLUTO WE WANT PLUTO482 downloadsupdated 6 y ago
• MMh11'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
• CCelestial 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
• 999942 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
• GGas Giant Templatesby 76561198880449275Everything here made by me (MPG) If you use these, please give credit, thanks!480 downloadsupdated 7 y ago
• TTheia 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
• Mmy mars life and moon lifeby 76561198415462550i will add more479 downloadsupdated 4 y ago
• Tthe clusterby heinekenkegearth looking at our solar system, the milky way and other galaxies477 downloadsupdated 6 y ago
• IINTERSTELLARby 76561198914324463477 downloadsupdated 7 y ago
• PPlanets with life and other planetsby beni367Planets with life and light.476 downloadsupdated 8 y ago
• AAsteroid 33434 Scottmanleyby illectroSolar System with Asteroid 33434 Scottmanley475 downloadsupdated 7 y ago
• CComets 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
• JJ1407-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
• OOne 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
• KKerbol 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
• FFully 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
• UUltra 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
• TThe 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
• SSFS Solar Systemby 76561199470896290The solar system from Spaceflight Simulator!466 downloadsupdated 6 mo ago
• TThe Big Bangby SailorYTRecreation Of The Big Bang!465 downloadsupdated 7 y ago
• EEarth 2.0by 76561199112890536What if Earth was purple and had two rings?463 downloadsupdated 5 y ago
• BBillion-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
• AA 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
• TTatooine Systemby 76561199123049208I tried to recreate the Tattoo system (Tatooine) from Star Wars. I think it turned out pretty well)463 downloadsupdated 6 y ago
• EEarth & Theia Collisionby 76561198437839897Theia is a hypothetical planet that formed in the early solar system and is thought to have collided head-on with the early Earth around 4.5 billion years ago. It was roughly the size of Mars, having a diameter of 6,102 km. Theia was traveling about 4 km/s, and possibly hit Earth at a 45 degree a...462 downloadsupdated 8 y ago
• �𐂯+by 76561199406380539The solar system (𐂯+) like if it was seen by another civilisation living on ⃝𐂯 (Junon), located between Venus and the Earth. This civilisation is less advanced than us but has discovered the principal objects of the solar system by looking at the sky. The "?" are objects who haven't been discover...461 downloadsupdated 22 mo ago
• TTON-618by 76561198883148169The quasar TON-618 hosts one of the most massive black holes ever observed, with a mass of over 66 billion solar mass.461 downloadsupdated 5 y ago
• AAureus Sytemby 76561199857719455Iv's created, I think the most awesome system in Universe Sandbox. This has taken me a lot of time so plz take a look at everything. And I hope u enjoy this cool system I made! :) -Smith9MM460 downloadsupdated 17 mo ago
• TThe Wolfpack Sanders Solar System!by 76561198364442308this is offical and was made on video!459 downloadsupdated 6 y ago
• SScale of Types of Stars from Gg - QSby whitetigress459 downloadsupdated 3 y ago
• Aaurora system(ENG update)by void incarnateThats system was for youtuber, idk why you like it. Lore? Uhhh... There is a race similar to humans in this system, their technology is slightly higher than ours, around 2100 year. They already have colonies on other planets, also peace on the whole planet mean that there are no wars more. The sy...458 downloadsupdated 2 y ago
• TTerrestrial planetby Giulia!!!THE UPDATED VERISION FOR THE NEW SANDBOX UPDATE WILL BE COMING SOON!!!456 downloadsupdated 5 y ago
• NNeutron Star 600 jupitersby MatsA neutro Star made with 610 jupiters.456 downloadsupdated 8 y ago
• GGallifrey Gallifreya Systemby KOMAINThis is my take on the Gallifrey Gallifreya System from the TV Show 'Doctor Who'. ***NOTE: In the show, audio tales and comics, the system is seen with alot of inconsistentcies but, a few details are mentioned alot more often then others. I have included the most noted points. - - - - - - - - - -...455 downloadsupdated 7 y ago
• TThe Second Earthby 76561198878836251@I landscape the Mars to a nice little Earth455 downloadsupdated 6 y ago
• Eearth centipedeby 76561199015606222454 downloadsupdated 6 y ago
• BBianary Bright Systemby 76561199052658892Hello Welcome to the Bianary Bright system credit to all the amazing ppl for some of the objects Pavicon: Created after Betlegeus death, it shines brighter in the sky than sirius! Febritust, the toxic gas on the planet makes the color sorta amusing, it also has beautiful rings with some moons orb...454 downloadsupdated 5 y ago
• RRandom System #4by 76561198856063382This is what the title says it is. A random system I created. Do whatever you want with it.453 downloadsupdated 4 y ago
• TTerraformed Marsby 76561198883280385how mars will look in 10.000 .(fake)452 downloadsupdated 7 y ago
• Kkud 11 systemby 76561199136023913@its 200.500.000 light years away form us452 downloadsupdated 6 y ago

2.2k simulations 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.