Mods / Simulations

• JJ1407B Systemby 76561199070697614Here we have the real lord of the rings J1407B with its rings about 200X the size of Saturn and having the mass of 14 Jupiters This Exoplanet will be sure bring you amazment.330 downloadsupdated 6 y ago
• NNo Earth!by tuppcatEarth has exploded because of the moon suddenly heating up from an solar flare directed at it! It was so hot it stopped orbiting Earth and collided causing the explosion. Humans have evacuated to Earths little brother and sister to terraform. Much like noah's Arch,Humans have bought all of the an...330 downloadsupdated 4 y ago
• KKerbol Systemby 76561198799992304The Kerbol System.329 downloadsupdated 6 y ago
• AA New Solar Systemby 76561198406399058A map New solar systemmmmmmmmmmm! Only On Steam!!!!!!!!!!!!!!! Please click Subscribe Enjoy!!!!!!!!!!!!!!!! Update added 5 planets329 downloadsupdated 5 y ago
• Mmodded planet packby 76561198439215298my custom exoplanets329 downloadsupdated 5 y ago
• EEarth with Ringsby 76561199548176692follow me :)328 downloadsupdated 2 y ago
• TTwo Very Large Starsby 76561199133834404you are allowed to use these stars but give me atleast some credit or risk a chance of having your sim taken down (if possible)328 downloadsupdated 6 y ago
• Ssternby 76561199012918954328 downloadsupdated 5 y ago
• DDinosaur Exctinctionby 7656119885364033666 Million years ago, An asteroid the size of 15 km struck what is now known as north west mexico. It traveled at 20 km/s and its name was Chicxulub.327 downloadsupdated 8 y ago
• AAtmospheres on Gas Giants In A Running Simulation Testby 76561199222084292Please do note that this (to my testing) can only be done if the Gas giant does not have moons or rings orbiting it because it will ruin the Orbit of the Atmosphere body (If you find a way to get past this, let me know in the comments on the steam workshop page!) ALSO, IF YOU PLAY THE SIMULATION...326 downloadsupdated 21 mo ago
• TTitan terraformed with own weather stations and polars caps..by marcmg28Saturn and its most important moons in the earth´s orbit.325 downloadsupdated 7 y ago
• ССерый карликby 76561199050076550Серый карлик - Газовые гиганты масса которых недостачная для поддержки термоядерного синтеза как в звездах, но достачный чтобы нагрется324 downloadsupdated 5 y ago
• EEarth but we had a habitable moonby 76561199066623460Theia 2 has almost crashed Earth! But, missed. And now it is in a orbit closer than owr moon! as a new earth and, sun rises i end it here. maybe you could see a earthclipes!324 downloadsupdated 5 y ago
• AAstroneer Solar System 2.0by 76561198447584274This is a newer and better version of my previous Astroneer Solar System (I didnt know enough to be posting on steam workshop for the last one). This one has much more accurate planets (DO NOT REPLICATE), and is much more realistic than the last one. It also features our own home solar system. Th...324 downloadsupdated 5 y ago
• AA Habitable Planet Around A Gas Giantby Flavourfish 100This is a realistic proof of concept.323 downloadsupdated 8 y ago
• UUniverse size comparison from 2011 CQ1 to quasi starby 76561198862380676probably the largest size comparison can be before US2 lags out. anywas, in this size comparision theres a quasar a quasi star earth apophis an way more! i hope you enjoy it! if you use my objects that are not in the normal seletion. make sure to give me credit!323 downloadsupdated 6 y ago
• RRealistic Earthby 76561198420320144It has a more realistic atmosphere opacity and color, and the most important thing is the clouds, i added more. CREDITS I YOU USE IT323 downloadsupdated 4 y ago
• RRadiantia Gas Systemby 76561199128137328A gas planet based system with 3 gas plants and moons around 2 of them with one with a chance of life321 downloadsupdated 3 y ago
• EEarth-Like Planet with Moonby jackHope you enjoy!321 downloadsupdated 8 y ago
• RRealistic Saturnby supersean08321 downloadsupdated 5 y ago
• BBLAZE-270 Systemby 76561199128017420A system I made named after my dog, Blaze because he is getting close to the end of his life. :(320 downloadsupdated 4 y ago
• AAncient Greek Counter-Earth Hypothetical Model 4th Century BCby 76561198376887781Hypothesized by the pre-Socratic Greek philosopher Philolaus (c. 470 – c. 385 BC) to support his non-geocentric cosmology, in which all objects in the universe revolve around a "Central Fire" (unseen from Earth and distinct from the Sun which also revolves around it). - Wikipedia This solar model...320 downloadsupdated 23 mo ago
• RRainbow Starsby 76561199824010909Stars that are the colour of the rainbow and in order.319 downloadsupdated 21 mo ago
• [[Updated] Alternate Universe Solar Systemby 76561199482226958CAUTION Do NOT unpause this simulation, If you unpause this simulation, the delicate balance will be broken. This system was made with a friend of mine who is a real astronomer. (They made all the descriptions) discord: golidewolfie_63923319 downloadsupdated 12 mo ago
• TTon 618 aka The king of kings (but better)by 76561199107669722This is the biggest black hole in the universe. It has 2 ultra massive black hole orbiting it. (it has a galaxy i didn't add it) (why is one star called uranus?)318 downloadsupdated 2 y ago
• TThe Universeby 76561199076720332The Universe has more than 10 million super clusters . The Universe is everything you see.318 downloadsupdated 4 y ago
• MMy Realistic Planet Nine (3000) Bandsby 76561198880449275@My realistic Planet Nine with 3000 bands Purely an impression. Made by me (Madplanetguy) If used in a simulation, give credit318 downloadsupdated 6 y ago
• RRogue Planet Collison With Earthby 76561198880449275@Rogue Planet Collides With the Earth Made by Madplanetguy317 downloadsupdated 6 y ago
• UUniverse Size Comparison 3Dby 76561199061262163In this simulation you will find out how big the universe really is!317 downloadsupdated 3 y ago
• RRealistic Venus with Custom Cloudsby 76561198880449275(FOR COMMUNITY TEST ONLY) Custom Venus made by me (Madplanetguy) Do not steal, or repost this sim or object thanks My YouTube My Discord317 downloadsupdated 6 y ago
• FFormation of the Moonby QuariorFormation of the Moon. I try to remade the formation of the Moon.317 downloadsupdated 8 y ago
• Tton-618by 76561199470542068this is the biggest black hole . But siencetest beliive ultra massive black holes could exist. :made in 4-23-2023317 downloadsupdated 4 y ago
• Wwaves of coiorby Joepretty cat day ray erdcvf uijmn abcd jacinda yhfiyfuihhfhf8hr8yeirfdy84378ryeirhr8feye8yrhr yr8fh8ye7 1234567890 2059042316 downloadsupdated 2 y ago
• AAldebaran with exoplanet and mostly correct featuresby SphinxAldebaran and Aldebaran b with orbit data, eccentricity data, and radius data (Reason for "mostly correct features" is that i had to up the mass because the planet was rocky and it should be gas)316 downloadsupdated 7 y ago
• PProject Cholaxyby Chocice75A custom "galaxy" project. I probably won't add billions of stars, but I will try to make it as big as possible.315 downloadsupdated 7 y ago
• FFully custom planetby Chocice75This is a fully custom planet I made by heating the Earth up to 8000 degrees Kelvin.315 downloadsupdated 7 y ago
• OOnae-Xylarian Systemby 76561198884629879What if when you looked up into the sky, you not only saw a sun your planet orbits, but two, unique stars with their own systems? This is a custom system with many unique features, including binary stars, planets, moons, and even a planet with life, alongside two probes, an extremely eccentric co...315 downloadsupdated 8 y ago
• RRINGSby 76561198430053837how did this get popular? i have the answer! i dont know315 downloadsupdated 4 y ago
• WWarhammer 40k Systems - Nocturne Systemby NewT.Warhammer 40k Systems - Nocturne System The Nocturne System is a Star System in Ultima Segmentum. Home to the Adeptus Astartes Salamanders Chapter. This is a small passion project based off information found at315 downloadsupdated 3 y ago
• MMelahel, The giant, frozen turquoise jewel of spaceby DeMooniC@Melahel or as it was originaly called when discovered, Epsilon Eridani C, is a young beautiful turquoise mega-banded 863 bands ice giant 45.8 times more massive than earth orbiting the less massive but sun like orange dwarf star Epsilon Eridani at a huge distance of 37 Astronomical Units. This p...315 downloadsupdated 6 y ago
• TThe Stevenson systemby 76561199630180619idk i made this for fun :)314 downloadsupdated 2 y ago
• MModded Planet Packby 76561199369611529All made by me, if you use them give credit, feel free to save these.313 downloadsupdated 2 y ago
• PPlanet Pack IIby Sphinxwarning: this will lag your computer if it is a potato computer Kittens are cute312 downloadsupdated 7 y ago
• PPrócion System1.0by 76561198994971784hmm a good system?311 downloadsupdated 5 y ago
• JJS system in the whale galaxy(possibly the largest system and star in the universe) fiction.by 76561198998180841alot of cool stuff311 downloadsupdated 10 mo ago
• OOstpl - Inhabitable planet with lavaby Chocice75I accidentally caused this cool effect when I disabled "Show Surface Materials" after randomly changing the colours. I then modded it to remove the heightmap, thus causing a similar effect but without making the planet fullbright.311 downloadsupdated 6 y ago
• Mmy universeby 76561199379863033luid was a habitabal planet but it got cold and all the planets orbits are wonky so dont mind the rings in the air those where covis and luneps310 downloadsupdated 2 y ago
• EExample of a binary systemby kotamikExample of a binary system309 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.