Mods / Simulations

• IIlus IV and Moons ( The Expanse )by ProfileNameThe planet Ilus IV (also known as New Terra) from the book series and tv show The Expanse. This is the planet during the events of book 4, Cibola Burn, before there was a large explosion on the planet.. Image from the show not the actual planet i made216 downloadsupdated 5 y ago
• UUniverse Size Comparisonby 76561199024739520This is my Size comparison, it took me 1+ hour. in this comparison are 200+ objects. From Kepler Stars/planets all the way down to WASP Stars/Planets. Hope you enjoy it :D216 downloadsupdated 6 y ago
• SSpace Engineers Pertamby 76561199013989597The Pertam planet from Space Engineers!216 downloadsupdated 5 y ago
• DDMEC Systemby 76561198996950225system von Dmec215 downloadsupdated 5 y ago
• MMoon Terraformedby 76561198987188581I control the water, air, temperature, gravity, rotating shaft, rotating cycle.215 downloadsupdated 7 y ago
• MMy Realistic Version of Jupiter.by BlueMarbleI had a lot of complication making this Jupiter, since I couldn't really find a 100% realistic or vibrant picture of Jupiter, so I decided to go with a blend for this object. I really like how It turned out, and I hope you do too! :) Yours Truly, -BlueMarble.215 downloadsupdated 7 y ago
• SSize of all the Planets in Spaceby 76561198859179009215 downloadsupdated 5 y ago
• Qquasi starby 76561199104345081quasi stars are believed to exist in the early universe , i managed to make one by messing around with the mechanics of this game , enjoy my creation , also the black hole will engulf the quasi star if you speed it up too fast [ i warned you].215 downloadsupdated 6 y ago
• PPangea, 230 million years agoby jtriskelea rough remake of pangea from the dinosaurs' ages, back when reptiles ruled the planet! shows what was probably seen on earth back then215 downloadsupdated 3 y ago
• MMy Custom Neptuneby 76561199015352992Here is my custom Neptune with rings hope you enjoy it and here are the numbers that i did for the rings: First Ring inner 0.102 lunar dist outer 0.202 lunar dist. Second ring inner0.210 lunar dist outer 0.310 lunar dist Final ring inner 0.320 lunar dist Outer 0.420 lunar dist.214 downloadsupdated 7 y ago
• SSun goes Red Giant then White Dwarf automaticallyby Smol_MousActual stellar evolution made using a bug. Keep increasing the time _slowly_ and watch the Sun evolve into a red giant and then into a white dwarf. If you increase the time too fast it will either turn into a giant planet or a black sphere. The sparks are a side-effect of this bug. To Devs: Pleas...214 downloadsupdated 5 y ago
• DDysons Sphereby 76561198410428980Eine Dysonns Sphere ist eine Megastruktur um Sterne ein zu Kapplseln.214 downloadsupdated 7 y ago
• BBlue Pulsar - 2024by 76561198850380282A Blue Pulsar has been discovered in the far reaches of space. Two blue stars seemed to have collided into one, thus seemingly "activating" a pulsar. There seems to be 3 planets in this system currently beginning a colliding process. A 4th planet has also been identified. Elon Musk and SpaceX wil...214 downloadsupdated 3 y ago
• HHalloweenby 76561199195903986213 downloadsupdated 4 y ago
• TThe HD 521708 Systemby 76561199130727219This is a system I made myself! The HD 521708 system is a solar system located 652 lightyears away from Earth. The star (HD 521708) Is an orange dwarf star, having about 58 percent of our sun's mass. The first planet (HD 512708 b) is a small, rocky planet, with a weak magnetic field. The second p...213 downloadsupdated 3 y ago
• AAlpha Centauri Star Systemby 76561198338838359@Stars and planets213 downloadsupdated 6 y ago
• CCool layout 5by 76561199160952001I love Universe Sandbox 2212 downloadsupdated 5 y ago
• Tthreebodys三体by 76561198358352413这是一个三体模型，其灵感源自刘慈欣的小说《三体》。这个模型每次打开后运行的结果都不同，这些结果在某些方面解释了为什么三体问题至今无解212 downloadsupdated 7 y ago
• BBig Bangby OzzyBeySomewhat like the big bang (WARNING: This Mod will need a BEASTLY COMPUTER like the most beastly computer in the universe or world...212 downloadsupdated 8 y ago
• MMY MODDED PLANET PACK SIZE COMPARISONby Byllput the chart on to see the size comparison212 downloadsupdated 6 y ago
• PPulsar Venusby 76561198883280385This is special.211 downloadsupdated 7 y ago
• GGrusae B Systemby 76561198998180841211 downloadsupdated 7 mo ago
• Tthe universe...by thatonespringbigger then planets. stars. black holes. its our universe.211 downloadsupdated 5 y ago
• TThree body problemby human123Any three bodies in space will not orbit in a predictible patern no matter what. From the book Three Body Problem211 downloadsupdated 4 y ago
• OObservable Universeby 76561199026613256Here is the Universe. Look at it. Basically It211 downloadsupdated 5 y ago
• RRomulus systemby Lord_cardno84Star Trek Romulus star system210 downloadsupdated 8 y ago
• EEarth Gettin Nukedby 76561198843100875210 downloadsupdated 7 y ago
• GGas Giant Pack 2(IGNORE SALIBE)by ByllPlease Give Credits210 downloadsupdated 2 y ago
• OOuter Wilds Systemby Turzete (ninguem)The solar system from the game Outer Wilds210 downloadsupdated 20 mo ago
• OOther System Lethal Company ideaby 76561199095509038I made another system for Lethal Company !KEEP THE SIMULATION PAUSED! There are info for the moons and Company Planet With the idea that a day is different in length for each moon It does not matter what i made the atmospheres out of or their density, they are like the lethal company atmospheres...209 downloadsupdated 3 y ago
• 随随机的三体by 76561198447813409209 downloadsupdated 8 y ago
• TTATA967.by 76561198391571611yhuyhgur..................................................................................................................................................................................209 downloadsupdated 11 mo ago
• TThe Rigola Systym WIPby 76561198384103203This is my star and my hab planet so pls help me with the system pls it would be help ful :)208 downloadsupdated 4 y ago
• TThe Alderaan System (Star Wars Legends)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not mean't to be played. I used the Legends version of the System because It had more information. The Alderaan System Is a Star System located In the Core Regions of the galaxy. The main planet "Alderaan" was a snowy planet, name...208 downloadsupdated 7 y ago
• SStar Trek - Jenolan Dyson Sphereby Ajt8000An object the size of the Dyson Sphere featured in the TNG episode 'Relics'208 downloadsupdated 7 y ago
• HHoth System (Star Wars)by ChippyFROM YOUTUBE208 downloadsupdated 4 y ago
• PPlanet Size Comparison(Modded)by ByllBy Omega Comparisons208 downloadsupdated 4 y ago
• PPulsarby Vedat207 downloadsupdated 8 y ago
• TThe Tyorn Clusterby 76561198866428675Tyorn 1b Haves A Storm In The Down Top And The Top This Has Been Caused By Hes Magintic Field The Bands Has Been Made By Dust And Supernova Explosins And Well Be Pretty RARE To Find Only 5,12% Can Find Caused By Hes Super High Damage Wich He Lost 862 HP Turning These Storms NOTE:The Black Bands A...206 downloadsupdated 8 y ago
• Oomgby 76561199202805415206 downloadsupdated 5 y ago
• Tthe Sad univurseby Copisetik206 downloadsupdated 5 y ago
• TThe Naboo System (Star Wars Legends)by Bravecylinder(NOTE) This simulation Is for demonstrational perposes only. It Is not mean't to be played. I used the Star Wars Legends version of the System because It had far more information The Naboo System was a star System located In the Mid Rim of the galaxy. consisting of 6 planets, One being Naboo. Hom...206 downloadsupdated 7 y ago
• TThe Ianever Star Systemby 76561199207325715Welcome to the Ianever Star system! The System is also home several life-hosting planets, and one (known) intelligent species has arisen. This species, called the Unatu (named after their home world), have colonized most of the system with crafts and bases. They are a humble species which has vow...206 downloadsupdated 4 y ago
• 33 body problemby chandulk3 body star system with earth206 downloadsupdated 3 y ago
• AAn Atom.by 76561199211087370Yes. Indeed an atom.206 downloadsupdated 5 y ago
• EEarth 2.0 (100% ESI)by ajnunez89This is a simulation of a planet that has more chance of life than even Earth, and better for life as we know it. This was made by @AJNUNEZ89, so do not copy this simulation, I worked very hard to make this. If you enjoy, subscribe!206 downloadsupdated 15 mo ago
• UUltra Realistic Earthby ByllIf You Use It Give Credit206 downloadsupdated 3 y ago
• IIf These Things Woke Upby HavenThese planets have woken up like the moon woke up.205 downloadsupdated 12 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.