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
- Ursae Majoris star systemby 7656119909376086747 Ursae Majoris (also called Chalawan) is a yellow dwarf approximately 46 light-years from Earth in the constellation of Ursa Major. As of 2011, three extrasolar planets 47 Ursae Majoris b,c and d, (the first 2 are also called Taphao Thong and Taphao Kaew)275 downloadsupdated 4 y ago
- Realistic Earth in Universe Sandbox 2by 76561198378411272Credit me if you use this This didn't take long to create but please credit me.275 downloadsupdated 5 y ago
- TON 618 vs Phoenix Aby 76561199585424599which is bigger?275 downloadsupdated 3 y ago
- Super Powerful Russian Nukeby Cheeks2184Russia developed an exceptionally powerful nuclear warhead. This weapon has a yield of 300 megatons, six times that of the tsar bomba, and 15,000 times that of the Fat Man. It is detonated on the northern edge of Cuba.274 downloadsupdated 7 y ago
- Quasarby 76561198883280385This is a quasar ok?274 downloadsupdated 7 y ago
- Black Hole Homeby 76561199089513589@You Can Add Moon And Stars And Make Stars274 downloadsupdated 6 y ago
- Realistic Mercuryby 76561198420320144Ist's a Mercury and Callisto Texture combined, and looks great. CREDITS IF YOU USE IT274 downloadsupdated 4 y ago
- Starscape ,,The Citadel''by 76561198867918151a recreacion of The Citadel star system from Starscape273 downloadsupdated 5 y ago
- ThreeBodyProblemby Sarah Kerrigan273 downloadsupdated 7 y ago
- my systemby 765611988884637722 planets, 2 moons and 1 star272 downloadsupdated 20 mo ago
- A normal Systemby 76561199746757367Gaser Green Is Big Go Look At It272 downloadsupdated 2 y ago
- Outer Wilds Systemby 76561198353909036This is a system inspired on one from game "Outer Wilds". I tried to make all planets look similar as in game and to be in good scale to each other, but not everything is possible to create in such simulation with all science rules. Despite this, it is quiet accurate :)271 downloadsupdated 7 y ago
- Living Moons LOL xts Humorby ♥ XTS ♥To see what I mean, turn on trails (center, bottom of screen) and hit play and zoom in on these moons that were originally the developer's simulation of a design that lost it's way and I rejoined it the best I could lol IDK if it'll continue to move as it does, but it is humorous at 6 hours per s...270 downloadsupdated 3 y ago
- SaPO Systemsby 76561198370253495All current SaPO stars and planets feel free to give suggestions SaPO = Star and Planets Observatory IAO = Interstellar Asteroid Observatory270 downloadsupdated 5 y ago
- A grassy Planetby 76561198406528608Yup this is a grassy planet270 downloadsupdated 8 y ago
- Terraformed mercuryby 76561198954625618Terraformed mercury269 downloadsupdated 5 y ago
- 4546-Systemby 76561198444524512[The subnautica system!!...okay it's true that a big part of the planets it maked by me but it's cool!! I think okay but here you gave the system269 downloadsupdated 4 y ago
- Custom Jupitersby 76561198880449275Everything here was made by me (MPG)269 downloadsupdated 7 y ago
- Glaucus Systemby DenismartelhebertStar: Named Glaucus meaning (in the Greek Mythology): A Greek prophetic sea-God, born mortal and turned immortal upon eating a magical herb. It was believed that he commonly came to the rescue of sailors and fishermen in storms, having once been one himself. In fact, the star was discovered by a...269 downloadsupdated 4 y ago
- Black Holes!by SphinxA lot of black holes. Credit to the other simulations i took the black holes from, but there is no credit to use them if you are taking them from here. **FOR UNIVERSE SPACETIME**268 downloadsupdated 7 y ago
- Avatar system FINAL drop (AVATAR)by peart93A star system or the closest star system from earth is called the Alpha Centauri or AC triple system. Alpha centauri A has the famous planets, including ACA-1 ACA-2 Oceanus Polyphemus And Crius. ACA-1 Has one moon. ACA-2 Does not have moons orbitingit. Oceanus has a terraformed moon orbiting it....267 downloadsupdated 13 mo ago
- Gargantua (Interstellar)by 76561198970199559This was built from memory Please dont say its inaccurate or anything this is meant to be visually pleasing Gargantua (200million solar mass black whole) Miller's planet Water world Mann's planet Ice world Edmund's planet Desert267 downloadsupdated 3 y ago
- Black Holeby 76561199233492576A black hole with a photon ring267 downloadsupdated 4 y ago
- 3 Planets with life in a black hole systemby Chippymade by space chip for youtube266 downloadsupdated 4 y ago
- The Death Starby 76561199175536963This is the closest thing i could make that looks similar to the death star in Universe Sandbox, I know its not really much but i hope you enjoy it.266 downloadsupdated 5 y ago
- Solar eclipseby 76561198887482175265 downloadsupdated 8 y ago
- Silika Solar System (Dread)by nikofbean... Stars... planets... moons... asteroids... nothing is good forever. In a world of misfortune, with gravity anomalies, in search of constant knowledge, no life to be recnoked with... ... There's only one Nexus, and it Draws every single fundament with it.264 downloadsupdated 3 y ago
- sledgehammer galaxyby 76561199042227341it is a galaxy but instead of the middle being a black hole it is a very big sledgehammer264 downloadsupdated 7 y ago
- NULL-618by 76561198419105807a star so black it looks like a black hole (its mass is 1 galaxy big)264 downloadsupdated 3 y ago
- pulsarby Goscosirius b pulsar264 downloadsupdated 6 y ago
- The Omeganovaby sand hanitizerIts 5000 times more powerful than a Hypernova264 downloadsupdated 8 y ago
- The Solar System but the Sun is a Pulsar Starby 76561198401343199Ever wondered what our solar system would look like if our star was a Neutron/Tesla/Pulsar star? Now you can!263 downloadsupdated 8 y ago
- THIS IS NOT A BLACK HOLEby blritchey1970trust me this is not a black hole263 downloadsupdated 8 y ago
- Exclusive Planet Pack Made By Me(OMEGA SPACE EDUCATION)by ByllThis Took Me a Long Time263 downloadsupdated 3 y ago
- terraformed marsby 76561199100833320mars with a like likely hood around 83% this was the best that i could do makeing a terraformed mars hope you enjoy:D263 downloadsupdated 6 y ago
- the Ris Tus WAR of ^$&^&&%^%$^by 76561199435990311Terra- helthy Pall- stage 1 infected Ronax- helthy Oral- D.E.A.D Poman- stage 3 infected Brustas- helthy Ntak- helthy Sange- helthy ITITIT- stage 5 infected Nnon- helthy Nian- helthy Tinat- helthy Anchant- Helthy/cure E@r!H- HOST Luna- helthy262 downloadsupdated 2 y ago
- Face Marsby 76561199152806236Look closley and see if you can spot the face on Mars!262 downloadsupdated 6 y ago
- Custom Surface Texturesby 76561198880449275Colourable custom surface textures. Discovered and made by me (MPG)261 downloadsupdated 6 y ago
- Thanos Planet!by Jay From SpaceTHANOS PLANET! 💥💥💥💥💥💥💥💥💥💥💥💥SUBSCRIBE TO PEWDIEPIE💥💥💥💥💥💥💥💥💥 Here is my channel: Here is Pewdiepie's Channel:261 downloadsupdated 8 y ago
- Star Wars´s Star System I Ahch-To Systemby 76561198990738382Star Wars: Ahch-To Star System Welcome to the simulation of the Ahch-To System, home to the iconic planet Ahch-To, a sacred world in the Star Wars universe where Luke Skywalker exiled himself and the very first Jedi Temple was established. This simulation faithfully recreates the official and com...260 downloadsupdated 20 mo ago
- The Sagatarian system!by 76561199128239738@This is a black hole with lots of stars in tilted and elliptical orbits!259 downloadsupdated 6 y ago
- Proxima bby 76561198325328735Mass: 1.27 earth Radius: 1.08 earth Age: 4.85 billion years Atmosphere: 1.11 atm Climate: Yes Avg. temperature: 8.74 °C Earth Similiarity: 97.2% Gravity: 1.09 G Orbit period: 11.186 days Tidally locked: Yes259 downloadsupdated 8 y ago
- Terraformed mars and venusby 76561199121657893@Both mars and venus are terraformed!259 downloadsupdated 6 y ago
- three_bodyby 76561198887305752Three sun-mass stars259 downloadsupdated 3 y ago
- Oriana System (too lazy to create a thumbnail so i capture a screenshot of a roblox game starscape)by 76561199102216543The Oriana system is a very special system that has materials that is 10x harder than diamond. History: When people have discovered it. They started mass mining. The alien also want the material here. War have started against 7 alien civilization. They battled out and fight to control the system....258 downloadsupdated 4 y ago
- Red Dwarf Starby 76561198960105764@A red dwarf is a small star.They are the coolest and most common star's in the Milky Way.257 downloadsupdated 6 y ago
- Realistic Marsby 76561198420320144It has a more realistic surface color, a pinky orangy atmosphere and a little bit more of poles, just because it looks aswome ;) CREDITS IF YOU USE IT257 downloadsupdated 4 y ago
- Sirius & Sirius Bby 76561199123717964@The binary system257 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.