Mods / SimulationsUniverse Sandbox mods
Universe Sandbox simulations mods
Everything filed under simulations by its own author, ordered by how much it is used.
2,225 simulations mods, most downloaded first · newest update 28 Oct 2026
2.2k simulations mods
- Black Dwarfby 76561198928769691After playing with Mars that happend181 downloadsupdated 8 y ago
- Planet Bombardmentby 76561199175536963In Here you can expierence how earth handles when a cluster of moons crash into its surface! Planets included: Earth 20 Random Moons181 downloadsupdated 5 y ago
- The Backrooms Galaxyby 76561198381027148"The Backrooms Galaxy: A liminal galaxy located outside of space and time and intertwined with the Euclid Galaxy. It is a place where few have entered, and even fewer have escaped alive. Or at least that's what the legend says." "The legend is actually true, and I have proof. There is a portal on...181 downloadsupdated 17 mo ago
- Brown Dwarf Size Comparison v3by ByllBy Omega Comparisons181 downloadsupdated 4 y ago
- Dino endby 76561198329696291The end of the dinosaurs. Sorry for calling the meteor Anti Dino.180 downloadsupdated 8 y ago
- Big Monster And Giant Monster One of The Largest Quasis Starsby 76561198866428675Big Monster Known HD 4003027464939-B Giant Monster Known HD 4003027464939-A Giant Monster Is A Tera Red Giant Big Monster Is A Zeta Blue Giant Kollyed Days:Kollyed Days Means 16000 Days Or 41000 Days180 downloadsupdated 8 y ago
- SCP-001 when day breaksby 76561198997289415@SCP-001 when day breaks is a fenomen when sun gets very hot and humans will melt to melted fresh zombies180 downloadsupdated 6 y ago
- Solar system with hypothetical planetsby 76561199468125941-Vulcan- planet very close to sun -Patheon and Themis- two planets in asteroid belt -Chiron- A icy planet close to uranus -Planet X- a gas giant far beyond Pluto180 downloadsupdated 22 mo ago
- Solar System 2.0by 76561199229588314A custom solar system created by me :D179 downloadsupdated 5 y ago
- Black holesby Sokarenno credit needed for this one it's literaly just a bunch of black holes orbiting each other.179 downloadsupdated 8 y ago
- Trans neptunian objectsby 76561199588840076This simulation is about Trans Neptunian Objects like Pluto some are not realy far like Ixon or are far like The Goblin(2015 TG 387).Each dwarf planet was costimized to match thier artist impressions.Hope you like it bye.179 downloadsupdated 3 y ago
- A Needleby 76561199120292291it has strong force179 downloadsupdated 3 y ago
- Size Comparison of the Universeby 76561198989630031@This is a Lot of Objects179 downloadsupdated 6 y ago
- Quasi Star Pack (18 Stars)by 76561199003933743A catalog of quasi stars you can save. The largest of which is 100 million times more massive than the sun!179 downloadsupdated 3 y ago
- 宇宙天体大小对比 第二季by 76561199799833896宇宙大到930亿光年，小到1普朗克长度。这里包含一些天体，可以更直观的体验宇宙的大小。178 downloadsupdated 16 mo ago
- Thgich sustem (New Update)by 76561198987281911Это вымышленная системя " Thgich " . Здесь есть красивые планеты, и одна обитаемая " Moll ". Так-же эта система делалась на подобии Солнечной системы, тут есть так-же планета похожая на Марс " Morcin ". Есть планета похожая на Юпитер " Run ". Так-же здесь можно найти планету-карлик, как Плутон, н...178 downloadsupdated 2 y ago
- US2 Treat.by jeevacationSo this is just a US2 trat for you guys. We got banded gas giants, gas giant w/ atmosphere, a terraformed object with begetation and many more! Hope you guys enjoy these objects. DISCLAIMER!: Be sure to give me credit if you use these objects in a sim.178 downloadsupdated 8 y ago
- Rainbow Sistemby MarceloTamanhao178 downloadsupdated 6 y ago
- J1407bby 76561198388422036Just a representation of J1407b, a gas giant with the largest know rings. Saturn is the used as the base planet. Probably not completely accurate, and laggy too.178 downloadsupdated 6 y ago
- the size conparsonsby leanne.varranastorouds to planets to stars you can click on them 2s to show that its on full screem178 downloadsupdated 5 y ago
- Ares Systemby 76561199442394074RUS Ares A (чёрная дыра) 2 звезды (Ares B, Ares C) 1 коричневый карлик (Ares D) 1 планета (Ares E) Ares B 4 планеты (Ares B-1, Ares B-2, Ares B-3, Ares B-4) Ares B-1 -0 спутников Ares B-2 1 спутник (Ares B-2-1) Ares B-3 0 спутников Ares B-4 11 спутников (Ares B-4-1, Ares B-4-2, Ares B-4-3, Ares B...178 downloadsupdated 12 mo ago
- Big Bangby 76561199192738100In this simulation i simulated the Big Bang WARNING:may crash your game for if your computer/laptop if its not so strong!!!!!!!!178 downloadsupdated 4 y ago
- Solar Smash A Centauri Systemby 76561199345391744Had to keep the water on Persephone the same a defaut177 downloadsupdated 3 y ago
- Proxima Centauriby NovaliumYTThis is our closest system. it contains a planet thats thought to harbour life, Proxima Centauri b177 downloadsupdated 8 y ago
- death star vs Alderan!by 76561198439473243death star blows up alderan!177 downloadsupdated 8 y ago
- Nuclear war russia vs. USAby {~Ame~}177 downloadsupdated 8 y ago
- Pleiadesby 76561198364304679I am creating a simulation of the Pleiades DSO or Dark Sky Object. This will include most of the stars and approximate scales of mass, radius, how far apart they are, and temperature. When you enter the simulation; the stars without names are stars that are smaller, more irrelevant stars that are...177 downloadsupdated 8 y ago
- 2 Neutron Stars Collidingby 76561198871760313.................................................177 downloadsupdated 7 y ago
- Death Star Testby 76561198871948003I've got a bad feeling about this...177 downloadsupdated 8 y ago
- Easy No Mods Black hole Diskby Shellback132021. Get The Milky Way 2. Decrease its size to the point where you can see the hole on realistic lighting 3. color to your choice!176 downloadsupdated 3 y ago
- The Star Wars Galaxy (To be completed)by BravecylinderHello, and welcome to my growing Star Wars Galaxy. The Galaxy has no name, thus being called "The Galaxy". These are some of the key points of the Galaxy, If some of you like this. From the Mid Rim to the Unknown Regions, the Galaxy Is full of millions of unique planets. And of course, this map I...176 downloadsupdated 7 y ago
- The Kashyyyk 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 System because It has much more information. The Kashyyyk System was a star System located In the Mytaranor sector of the Mid Rim of the galaxy. The main planet "Kashyyyk" was...176 downloadsupdated 7 y ago
- Custom Solar System v8by 76561198987562757This simulation shows 94 custom bodies (95 total bodies, and 57 bodies orbiting sun) all created by me. No uploads to any bodies. I had been working on this project since late January 20, 2021. There is a problem with the Jupiter system. don't ask why, I cannot fix it.175 downloadsupdated 4 y ago
- Exandriaby Dysprosium66Rough simulation of Critical Role's planet & moons175 downloadsupdated 5 y ago
- Klingon systemby Lord_cardno84Star Trek Klingon star system175 downloadsupdated 7 y ago
- Habitable Planet in a 5 star systemby Chippy175 downloadsupdated 4 y ago
- Simple Solar System for Testsby 76561198946264527Simple Solar System to fullfill your dreams of blowing up stuff...175 downloadsupdated 4 y ago
- Solar System the moon wakes upby TopherIsDumbOur Solar System is home to eight planets (four terrestrial inner planets and four giant outer planets), the asteroid belt between Mars and Jupiter, and the trans-Neptunian objects beyond Neptune. Notable dwarf planets and other large objects include Ceres (in the asteroid belt), Pluto (beyond th...175 downloadsupdated 14 mo ago
- NEPTUNIAN GUY SYSTEMby 76561199066628464YES NEPTUNIAN GUY175 downloadsupdated 6 y ago
- Quasar Glitch...by Min1maLIdk what happend... Idk what happend... I was making a quasar in the middle of our galaxy, And then when i zoomed in and out. The Quasar didnt move at all. Looks cool btw174 downloadsupdated 8 y ago
- Взрыв ЧАЭС из космосаby 76561198777482933Взрыв 4 энергоблока был +- 75 тонн тратила, и с помощью гемини я сделал метеорит, который повторит взрыв.174 downloadsupdated 7 mo ago
- Ton 618by 76561199082189635直径约330000ly的巨型黑洞与其他天文单位的对比174 downloadsupdated 10 mo ago
- Black Hole Supernovaby Chippy173 downloadsupdated 4 y ago
- 流浪地球by fxxws173 downloadsupdated 6 y ago
- Tatoo System (Tatooine from Star Wars)by ChippyFROM YOUTUBE GO WATCH173 downloadsupdated 4 y ago
- 40 Eridani System - Project Hail Maryby 76561199092215002Includes: Erid Threeworld All three stars in the 40 Eridani system Spoilers below! Takes place after the Astrophage is stopped in the Eridani system.173 downloadsupdated 7 mo ago
- the abehr systemby 76561198971931557@another sytstem, comes with 6 planets but can you find the 7th?172 downloadsupdated 6 y ago
- My Custom Erisby 76561198880449275Made by me (MPG) If you use this in a simulation please give credit172 downloadsupdated 7 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.