Universe Sandbox
Universe Sandbox mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
2,316 mods, most downloaded first · newest update 28 Oct 2026
- Pandora From Avatarby 76561199119989649Pandora Alpha Centarui A system195 downloadsupdated 4 y ago
- NUKEby 46²Dolch195 downloadsupdated 6 y ago
- The True Centauri Systemby 76561199097114492A group of four systems that make up the Centauri System. Alpha Centauri, Beta Centauri, Proxima Centauri, and the leader, Jackern Centauri! Preety much the real Centauri System but with my custom system, Jackern System194 downloadsupdated 4 y ago
- The Solar Systemby FreeVideoThis is the Solar System only with the planets........And pluto194 downloadsupdated 8 y ago
- 3 Way Galaxy collisonby 76561199017289629Milky Way, Andromada, Messier, all colid194 downloadsupdated 6 y ago
- SIMP J013656.5+093347 Rogue Planetby 76561198324992035SIMP J013656.5 +093347 is a brown dwarf in the constellation Pisces. It belongs to the spectral class T2.5 and its position shifts due to its proper motion annually by about 1.24 arcsec with a position angle of about 90°. This brown dwarf provided the first evidence for periodic variability flux...194 downloadsupdated 7 y ago
- J1407b with entire ring systemby wizard titsJ1407b with entre ring system created with placing many phobos's and turning orbits on.194 downloadsupdated 8 y ago
- Radioactive planetby 76561198883280385This is an active radio193 downloadsupdated 7 y ago
- astroid that killed the dinosaurs simulationby 76561198801821412just a simulation that ended the dinosaurs and the astroid hit somewhere in eastern mexico193 downloadsupdated 6 y ago
- Chicxulubby 76561199670457826Астероид который убил динозавров, он упал на полуостров Юкатан (современная Мексика). Asteroid that killed the dinosaurs, he felt into the peninsula Youkatan (Now its Mexico)193 downloadsupdated 20 mo ago
- The Galaxy SWby 76561198846769438This is a workshop of the Galaxy from Star Wars, only simulating the most iconic planets. Taking as priority the individual design of the planets and their approximate locations with respect to the regions and the core of the galaxy, without taking into details such as stars systems, planetary sy...193 downloadsupdated 3 y ago
- Star Wars Galaxyby definitely not a tauA painstaking recreation of the Galaxy during the time of SWTOR, using for the co-ordinates of various worlds and objects. Locations aren't going to sync perfectly with the game's map (don't question names that don't appear there...), but Star Wars' maps aren't ever really consistent, so it'll do...193 downloadsupdated 3 y ago
- End of the Worldby 76561199223879877WW3 has begun193 downloadsupdated 5 y ago
- j1407 and j1407bby Borroroexoplane j1407b have very big rings193 downloadsupdated 6 y ago
- Accretion Diskby 76561198359042388An accretion disk is a structure formed by diffuse material in orbital motion around a massive central body. The central body is typically a star. Friction causes orbiting material in the disk to spiral inward towards the central body.193 downloadsupdated 7 y ago
- The solar system with basketball instead of the sunby 76561199083221926it works perfectly fine, the heat is the problem lmao192 downloadsupdated 6 y ago
- HD 100546by jeevacationThis is the system of HD 100546, which has one of the largest planets ever discovered. About 250,000 KM in diamater. 1/4 the diamater of the sun.192 downloadsupdated 8 y ago
- Dwarf planets - realistic + moonsby 76561198813231774In this simulation you would find realistic colors and moon orbits of the dwarf planets.192 downloadsupdated 3 y ago
- One Band Gas Giantsby 76561198880449275Gas giants with one band, no features at all. Everything here was made by me (MPG) If you use these in a system please give credit in the system's description191 downloadsupdated 7 y ago
- Planets formationby 76561198419086633In this simulation show the formation of planets. number of particles: 15k number of planets: 16 to run the simulation is reccomended to have atleast the recomended system requieremnts of this game to run the simulation191 downloadsupdated 8 y ago
- Minecraftby [REDACTED]Minecraft i guess very cool191 downloadsupdated 7 y ago
- Ceades System - Celestial Entropyby 76561199583485448This Is A Recreation Of A Niche System From A Underrated Cosmic Analog Horror Series Called Celestial Entropy, Which Is A Remaster Of P L A N E T S, This Is A Mostly Accurate Recreation Of The System Within That Series, Also Please Check The Series Out, Its Too Underrated For How Well Made It Is,...191 downloadsupdated 11 mo ago
- Simulated Protoplanetary Diskby FisTheDuccA massive Protoplanetary Disk with 2 Gas Planets(HD 1b7 and HD 1c7) and 3 Rocky Planets(HD 67087 c,HD-219 d and HD-777 b.) Idell is a interstellar Object entering the System.191 downloadsupdated 6 y ago
- I think this is stucking enoughby 76561198366563010hope you can enjoy190 downloadsupdated 7 y ago
- Cool systemby 76561199637744586Welcome to Cool System! We have Lots of special Planets that are very Cool and one that is weird in the second system Have fun!190 downloadsupdated 9 mo ago
- Somewhat Realistic Gas Giants V4by definitely not a tauI've had this ready to go for ages but I've kept wanting to add more. Today I decided I might as well release it. This probably isn't going to be a very good description... I did some asking around regarding such things as the Sudarsky scale, and eventually, I found my way to Orion's Arm: a hard...190 downloadsupdated 3 y ago
- Terraformed Hypothetical Planetsby ajnunez89Hello, and welcome to another simulation! I terraforrmed planets that are not known to exist, such as: VULCAN, a hypothetical planet thought to be between Sol and Mercury due to wobbles in Mercury's orbit. PLANET NINE, a planet in the farthest reaches of the solar system. PLANET X, a planet in th...190 downloadsupdated 15 mo ago
- Exoplanet Packby 76561199369611529This is a pack of some of the exoplanets i have saved in my user objects i did not make all of these i will give credit to the people who made them NotCoolboy2 - Me Kaptyen Byll Please do not steal or repost if u use this in a simulation give credit to me or one of the people i gave credit to enjoy190 downloadsupdated 4 y ago
- Red Giant Sunby LADON02In the next 2 billion years, The Sun will turn into a red giant. It will burn Murcury, Venus and Earth.190 downloadsupdated 6 y ago
- Nuke Simulationby tailskyyA nuclear war.189 downloadsupdated 8 y ago
- Simulação do big bangby 76561199090061823Simulação 4,324838948% real189 downloadsupdated 3 y ago
- Solar System Orbit Size Comparisonby direginger19Go to view, then click on chart. Once in the chart menu, click Radius and you've got yourself a proper size comparison! Have fun!189 downloadsupdated 21 mo ago
- The Moon Woke Up 3~4by 76561199864102293The Moon Woke Up:189 downloadsupdated 16 mo ago
- Three-star system. GM-2161by GigamanTheau Pri FB-W e2-25 Composition: A - neutron star of pulsar class B - White Dwarf C - neutron star of pulsar class189 downloadsupdated 8 y ago
- Torus A and Bby 76561199403801081Torus a and b are located 6895 lightyears away from the solar system it has 11 (confirmed) planets (including the ones around Torus b) The system is stable (also there are some secrets) ----Torus a --Grímhildr: Is the first planet from Torus a and the only one without a moon it is gray because it...189 downloadsupdated 3 y ago
- Ton 618by AlexSTon 618 is a supermassive quasar. Its light is very bright. Its in a very far away galaxy called Ton 618. The black hole is in the middle. This black hole was discovered in 1970. Its so bight that even if u got close to is u would become blind in a madder of seconds. The black hole in this simula...188 downloadsupdated 3 y ago
- real 三体3D 模型by 76561198449229049188 downloadsupdated 8 y ago
- SIZE COMPARISONby 76561198406810830SIZE COMPARISON OF THE UNIVERSE PT. 1188 downloadsupdated 8 y ago
- Avegan!by 76561199047336810Turn on orbits instead of trails Avegan Avegan is a very young G3-G4 type star, but quite an anomaly, as it is way bigger and more massive for it's temperature/luminosity, which can be explained a bit by it's age, but scientists are still trying to understand it. It is also a very calm star, and...187 downloadsupdated 3 y ago
- Spaceballs Packby 76561198378022731This pack contains all three planets from the movie Spaceballs.187 downloadsupdated 8 y ago
- My Realistic Jupiterby FisTheDuccr e a l i s m187 downloadsupdated 7 y ago
- Size of the universeby 76561198333956263This cue ball was enlarged to be the size of our universe. Put a sandbox on it and ur life will be complete.187 downloadsupdated 8 y ago
- Theia the dead planetby 76561199093760867Theia the planet who have enter in colision with the proto earth and create the moon187 downloadsupdated 6 y ago
- The Kamino 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 has far more information. The Kamino System Is a star System located above the Galactic Plains. The main planet of the System "Kamino" Is a water planet....187 downloadsupdated 7 y ago
- The Hosnian system (Star Wars)by Bravecylinder(NOTE) This simulation Is not mean't to run. It's for demonstration perposes only. I highly suggest to turn on Orbits. It makes the simulation much better. Because of how there Is only one seen planet In the movie, I couldn't see the other 4, so I just guessed. The Hosnian system was a system of...187 downloadsupdated 7 y ago
- Star Wars UNIVERSEby Harambe 41The Star Wars Universe187 downloadsupdated 5 y ago
- Vela Pulsarby DangerApproximately everything is correct187 downloadsupdated 8 y ago
- Colorful Uranusby 76561198866428675186 downloadsupdated 8 y ago
2.3k 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.

