Mods / Simulations

• TThe Solar System with two stars and an incoming asteroid hitting Earthby 76561198415319416incoming asteroid hitting Earth594 downloadsupdated 22 mo ago
• SStarfall 3080by 76561199854798340The year is 3080, 5 years after the life on Popstar colonized everything in the observable universe. But the only thing left is their Home, Their Star System is 1,225,500 AU away From Ours, And So far the main star, Aka "Starus," isnt related to our sun at all. This Star System existed for over 9...594 downloadsupdated 7 mo ago
• Ssolar systems, space and more - (universe sandbox)by 76561199823000373in this sandbox in universe sandbox there is some solar systems not only the solar system wii live in, some black holes and other galaxys. (galaxys and black holes and the other stuff im talking about may not have ben added yet if you dont see them you can just make them your self then!)593 downloadsupdated 12 mo ago
• RRealistic Tritonby 76561198880449275Triton, but improved hugely over the default one, it features correct composition, and a much more realistic map. This object was made by me (Madplanetguy) Enjoy! Do not repost or steal this item, thanks593 downloadsupdated 6 y ago
• GGoikus System 2026 Remaster (New Objects+More New Stuff)by Hiei®(This System is the remastered version of the original copy that i deleted.) Greetings, Interstellar Travelers to The Bfdi Universe or The Gokius System. Stars: Algebralia A Sun EL-255 And More Planets: Earth/Goiky (Go-key) The main planet of the series which has many landmarks, sites and places...593 downloadsupdated 4 mo ago
• Tthe suto systemby 76561199199754055a cool place591 downloadsupdated 4 y ago
• TThe Minilisia Systemby 76561198821810794The Minilisia System contains the sun of Minilis, with one orbiting planet and one dwarf planet. The planet "Thalassa" is host to sea-dwelling organisms, deep within the planet's oceans.591 downloadsupdated 5 y ago
• OOur Solar System (Gemini Home Entertainment)by 76561199583485448So I Havent Made Space Stuff In A While So This May Be A Odd Switchup, Its Near Halloween Though So This Fits I Guess, I Will Make More History Stuff Soon When I Can -------------------------------------------------------------------------------------------------------- So Yeah This Is The Solar...591 downloadsupdated 11 mo ago
• TThe Helion 12 System, the System of Glory.by 76561199387583762There are many planets in this system. Disclaimer: These are not connected to any real world planets. They are completely unpresent in the real world, and tempatures are sometimes inaccurate, also, the system might not be stable for a long time. Lore: Helion-12 is the star. It's identical to the...591 downloadsupdated 6 mo ago
• 5555by 76561198391571611htgliwjgyywrhrhrrjrguhrhbjbmjn590 downloadsupdated 15 mo ago
• TTOI-849 bby 76561199202072402TOI-849 b ... do i need to say anything more?590 downloadsupdated 4 y ago
• MMy Solar System REVAMPby 76561199128017420A solar system made from the sun's remains. A red dwarf star with five planets and one being habitable. Dynamis, Nestor's moon, acts like our moon. Making tides (that we can't see in this game).589 downloadsupdated 4 y ago
• NNuclear Apocalypseby RMazerThe Nuclear Apocalypse is among us will you save or destory the world.... Enjoy!589 downloadsupdated 7 y ago
• SSmallest star discoveredby Flavourfish 100This is EBLM J0555-57Ab. This is the smallest star that has ever been discovered. You can add things around it, if you want.584 downloadsupdated 8 y ago
• WWhat earth looked like during the dinosaur period.by 76561199142511083This is what earth could have looked like during the dinosaur period and the moon is closer to the earth because the moon gets farther away every year so this was 65 million years ago so yeah.583 downloadsupdated 6 y ago
• Bbroken galaxyby ajnunez89wtf broken galaxy i dont usually post stuff like this but what the hell is this582 downloadsupdated 14 mo ago
• XXovie system from the futureby 76561199799521486581 downloadsupdated 12 mo ago
• NNeutron Star with a Star orbitingby MatsA small neutron star with a star orbiting it578 downloadsupdated 8 y ago
• NNested L5 Orbitsby hello?This system is just made up of bodies orbiting "nested" L5 points. Or in other words, bodies orbiting the L5 point of two co-orbiting bodies, which both also orbit the L5 point of another, more massive pair of co-orbiting bodies... and so on. As a bonus, one of the bodies orbiting an L5 point of...577 downloadsupdated 6 y ago
• DDubble Ringet Gas-Gigantsby 76561199061262163This Gas-Gigant system is very cool576 downloadsupdated 4 y ago
• Ttotally normal simulationby 76561199195903986totally normal simulation with a normal whale573 downloadsupdated 4 y ago
• AAcron Solar Systemby 76561199508645102The Arcon Solar System is a solar system of many planets ranging from many types like Suns and just rocks to planets with life and much more...573 downloadsupdated 13 mo ago
• MMaru (WD 0806-661) by Mh11by 76561199222084292Welcome to the Maru/WD 0806-661 System. A very unusual system that looks bland at first but is very odd and interesting. Ahra The only somewhat planet in the system. Ahra is the Sub-Brown Dwarf companion of its White Dwarf Planet, Maru. Ahra has enough mass to heat up it's internal core and atmos...571 downloadsupdated 18 mo ago
• Ii forgot name :(by 76561199542928728i kow it has been a while i have been trying to make new ones but i accidently do something and make the game crash :( there is kinda of a secret planet out there, its SUPER far out here lore threr was one a empire that extended over earth like planets that were far out of their sun, then a gas g...570 downloadsupdated 11 mo ago
• IIf earth had hundreds of moonsby 76561199195510682tons of moons568 downloadsupdated 3 y ago
• TThe Etni Systemby 76561198409592559A Small Star system with a Habitable Terrestrial planet, a Warm Jupiter which recently suffered a collision, and a small Rocky Planet further out.567 downloadsupdated 3 y ago
• RRP Solar Systemby 76561199201069052A model of the roleplay(click next when you're done reading the texts). ------------------------------------------------------------------------------------------------------ News Worth Reading(all text that shows up when you click next is part of this section until the next section indicator app...565 downloadsupdated 4 y ago
• SStarkiller Base and Death Star 1 and 2by 76561198378022731This contains Starkiller Base and the Death Stars from the Star Wars series.562 downloadsupdated 8 y ago
• AA Last Hopeby extremely lobotomized texanThe Remnants of Humanity seek Shelter in this System waiting out the End of the Universe... As Humanity Died off in Its Universe many started Leaving to Conquer the Multiverse, however Some stayed at Red Dwarfs Naming the Planets after their Journey to the Stars... The Great Empire of Humanity is...562 downloadsupdated 3 y ago
• PPolaris Star Systemby 76561198960105764@The Polaris System is a star system 400 light years from the Solar System. It was descovered in 2001 at the palomar observatory.The first planet to be descovered in the Polaris System was called Giteres a few A.U away from its star.Then came the descovery of MOA 20 (MOA) the closest to Polaris i...562 downloadsupdated 6 y ago
• BBetelgeuse Binary Systemby 76561199734916134betelgeuse and its potential companion star, evidence for which was found by two studies in 2024. currently the companion's existence is unconfirmed, and as such it doesn't have an official name, so a nickname is used for it here. note that the properties of the companion as presented here are es...562 downloadsupdated 15 mo ago
• TThe hot earthby 76561199147251591The earth has gone too hot and it has exploded in a burst of red-hot cloud.561 downloadsupdated 6 y ago
• YYOTNUR STAR MAP (!WARNING LAG!) <On Break>by 76561198355989414Ver 1.4.9 Yotnur is a star cluster located in the Perseus Arm of the Milky Way Galaxy, approximately 30 kilolightyears from the Solar System. The star cluster is known for being the site of one of the largest military clashes during the War in Heaven. It was once home to the Yotnarish Civilizatio...561 downloadsupdated 3 mo ago
• PPhobos impact (in real simulation)by 76561199093760867what happen when Phobos will impact Mars?560 downloadsupdated 6 y ago
• RRealistic Quasarby ByllThis Took Me Like 5 Hours To Make Lol560 downloadsupdated 2 y ago
• AAR Cassiopeiae by Mh11by 76561199222084292Please do not under and curcumstances Re-Upload or make a edit of this item public! I Also Have been making some new workshop items within the new Public Beta of the new update and will release them about every week whenever the update goes live, I am also remastering one of my old most favorite...558 downloadsupdated 22 mo ago
• PPolynosis Barion Binary Systemby nikofbeanA S-Type Binary System, where both of the stars are blessed with great and wonderful planets, while those, binary, spin in a stable and constant motion. One, or actually two habitable and also binary planets/ and another with its huge and dense rings. Explore this awesome modded S-Type Binary Sys...557 downloadsupdated 4 y ago
• TTRAPPIST-1by 76561198881265063TRAPPIST-1 is probably one of the most interesting systems we found. What was once thought to be a lonely ultra low mass star, turned out to be a treasure trove of Earth-mass worlds. Although they likely don't have the potential for life, they are still very interesting! The possibilities for wha...557 downloadsupdated 2 y ago
• WWhite Holeby somefoolouthere (she/her)It's not really a white hole. It's just a cue ball the size of a black hole with negative mass. The lighting was also changed to make it look illuminated, so other objects won't look right on this save.555 downloadsupdated 8 y ago
• MMy solar systemby 76561199019032301This is my favorite Solar system, that i have made by me self i hope you enjoy554 downloadsupdated 4 y ago
• YYEET Sunby 76561198352243214553 downloadsupdated 7 y ago
• RRSS 2by 76561198862380676The more accurate and up to date real solar system. (I did have a low FPS on my computer so you have been warned.)553 downloadsupdated 5 y ago
• GGiant cosmic red space bananaby 76561199188705568A really really big banana and it's because i think it looks cool550 downloadsupdated 5 y ago
• ==+= Gygan System =+=by 76561199139601988WELCOME TO THE GYGAN SYSTEM Welcome to Gygan, a very polished and highly habitable system with many planets, civilizations and more! 1.71: very small changes to some habitable planets i'll finish them later down the line loster Space Chip Reviewed this system, a true thank you to everyone who che...550 downloadsupdated 16 d ago
• DDwarf Star Packby AthenaDivaAll known types of Dwarf Stars -Red Dwarf -Blue Dwarf -White Dwarf -Black Dwarf -Brown Dwarf (L) -Brown Dwarf (T) -Brown Dwarf (Y) Will be updated if any new discoveries on Dwarfs are made.549 downloadsupdated 8 y ago
• PPC crasherby ChrisTopSimply Unpause Time. (Hit Space Bar If PC)548 downloadsupdated 6 y ago
• Pplanet pleese kill meby heroinstevesave this planet so it will appear in my objects tab so you can spawn it later547 downloadsupdated 3 y ago
• RRan (Epsilon Eridani) by Mh11by 76561199222084292Please keep all edits/steals of this item private and not put on the workshop! Welcome to the Epsilon Eridani or official name Ran exoplanetary system located not so far from Earth being one of our closest neighbours. It is a fairly young system being about 700 Million years old and has one confi...547 downloadsupdated 21 mo 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.