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
- Rainbow 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 11 mo ago
- Ton 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
- The Universeby 76561199076720332The Universe has more than 10 million super clusters . The Universe is everything you see.318 downloadsupdated 4 y ago
- My 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
- Rogue Planet Collison With Earthby 76561198880449275@Rogue Planet Collides With the Earth Made by Madplanetguy317 downloadsupdated 6 y ago
- Universe Size Comparison 3Dby 76561199061262163In this simulation you will find out how big the universe really is!317 downloadsupdated 3 y ago
- Realistic 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
- Formation of the Moonby QuariorFormation of the Moon. I try to remade the formation of the Moon.317 downloadsupdated 8 y ago
- ton-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
- waves of coiorby Joepretty cat day ray erdcvf uijmn abcd jacinda yhfiyfuihhfhf8hr8yeirfdy84378ryeirhr8feye8yrhr yr8fh8ye7 1234567890 2059042316 downloadsupdated 2 y ago
- Aldebaran 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
- Project 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
- Fully custom planetby Chocice75This is a fully custom planet I made by heating the Earth up to 8000 degrees Kelvin.315 downloadsupdated 7 y ago
- Onae-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
- RINGSby 76561198430053837how did this get popular? i have the answer! i dont know315 downloadsupdated 4 y ago
- Warhammer 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
- Melahel, 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
- The Stevenson systemby 76561199630180619idk i made this for fun :)314 downloadsupdated 2 y ago
- Modded Planet Packby 76561199369611529All made by me, if you use them give credit, feel free to save these.313 downloadsupdated 2 y ago
- Planet Pack IIby Sphinxwarning: this will lag your computer if it is a potato computer Kittens are cute312 downloadsupdated 7 y ago
- Prócion System1.0by 76561198994971784hmm a good system?311 downloadsupdated 5 y ago
- JS system in the whale galaxy(possibly the largest system and star in the universe) fiction.by 76561198998180841alot of cool stuff311 downloadsupdated 10 mo ago
- Ostpl - 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
- Baker Solar Dozen System2026: After 1049 years of going to baker solar dozen system. & now at the solar system, at 3075. & now you here, you go to the other planet. & have fun!!!!!311 downloadsupdated 1 mo ago
- my 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
- Example of a binary systemby kotamikExample of a binary system309 downloadsupdated 6 y ago
- Super Solar Systemby Krz10anThis is All Rocky Planets combind, All Moon combind, All Gas Giants combind and Dwarf Planets combind309 downloadsupdated 8 y ago
- Terraformed Miber with biomes, sunsets...by Chocice75...white clouds, white atmosphere and, of course, climate. It was fairly hard to get good colours for the sunsets. Honestly, I'm surprised I even stumbled upon how sunsets work when making Mieabill.308 downloadsupdated 7 y ago
- 宇宙天体大小对比 第一期by 76561199799833896宇宙,一个直径930亿光年的天体,这里面的星球数不胜数,他们的大小更是非常奇特,今天我把其中的一些星球做了对比,更直观的看到整个宇宙。306 downloadsupdated 22 mo ago
- Neutron Star Magnetar Pulsarby 76561198433369585Neutron star Magnetar Pulsar306 downloadsupdated 7 y ago
- Chicxlub asteroid impactby Matthew9905about 65 million years ago, a massive asteroid the size of a mountain slams into what is now the Yucatan Peninsula in Mexico, leaving a massive crater underwater. Yes, the water levels back then were way higher. This asteroid created an explosion larger than an explosion that could be created by...306 downloadsupdated 8 y ago
- Barnard's Star systemby 76561199093760867Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of 5.96 light-years from Earth, it is the fourth-nearest-known individual star to the Sun after the three components of the Alpha Centauri system, and the closest star in the northern celestial hemisphere. I...305 downloadsupdated 4 y ago
- The Minecraft dimensionsby BravecylinderSo, because of the rise of Minecraft through the few months prier, I desided to make a planet collection of the realms in Minecraft. This includes: The End dimension The Neather Realm The Overworld If you are using these in a simulation of your own, please give credit, instead of lying. Thanks. B...305 downloadsupdated 7 y ago
- Star Warsby O Possum My PossumBlue vs Yellow.Last one standing wins.304 downloadsupdated 8 y ago
- Basketball On Earthby 76561198954913002Enjoy the view of being on earth! Basketball on earth - oskargd123303 downloadsupdated 7 y ago
- Black holeby 76561198983658152A black hole303 downloadsupdated 4 y ago
- Super Habitable Planet with a habitable moonby 76561199175536963Habitable Planet with a habitable moon. This super habitable planet also has a habitable moon as well! And there seems to be intelligent life on it as well! Planets included: Fitinus Inustaac303 downloadsupdated 5 y ago
- preview of solar balls ep 2 the battle of planet x fixed sort ofby 76561199546032494solar balls ep 2 preview302 downloadsupdated 23 mo ago
- Very Cool bianary orbitby 76561199141280023i accidently made a very cool orbit check it out302 downloadsupdated 3 y ago
- The moving solar sytemby 76561199391558901IF jupiter mass is doubled the gravitional force well change the sun will start moving but keeping the solar system intact making a moving solar system302 downloadsupdated 2 y ago
- Earth from Space Engineby 76561199368267830I tried making Earth from Space Engine302 downloadsupdated 3 y ago
- Phoenix A (Black Hole)by 76561199497148777This is the real size of the black hole (Thats if its even calculated right by scientists), it is estimated to be 100 Billion times bigger than our sun.302 downloadsupdated 3 y ago
- Solar Systemby 76561199103263196Solar System301 downloadsupdated 5 y ago
- what will this doby tomcardassiWHAT DO YOU THINK IS GOING TO HAPPIN300 downloadsupdated 6 y ago
- Rainbow jupiter 1.0 with rainbow ringsby 76561198870480755The rainbow jupiter 1.0300 downloadsupdated 7 y ago
- Theia And Earth Collision.by JRICH0724small chance of a moon,300 downloadsupdated 8 y ago
- Phrilrumite Empireby 76561198850634608The Phrilruma System: Seat of the Empire Hey 9fq again, I recommend turn off space goggles when looking at planets it hurts the eyes normally trust me on that lol The vibrant heart of a sprawling empire, a testament to its species' power. From fiery inner to frigid outer worlds, life flourishes,...299 downloadsupdated 18 mo 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.

