ModsUniverse 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
- Universe Size Comparison (REUPLOAD)by 76561199221809957Showcases all space objects lined by comparison from indefinetly small to indefinetly large. Even impossible by dimensional standards, but enough nerd stuff. Enjoy!160 downloadsupdated 3 y ago
- Red Giant Sunby KriphtIn About 4 Billion Years From Now, The Sun Will Red Giant Consuming Mercury, Venus, And Our Earth. Then It Will Shrink Down Into A White Dwarf, But Thats Something To Talk About Another Time.160 downloadsupdated 4 y ago
- Death Star destroying Alderaanby {~Ame~}Make sure to credit me if you use my Alderaan and/or Death Star I159 downloadsupdated 8 y ago
- Country Flag Packby 76561198439215298@save&give credit159 downloadsupdated 6 y ago
- The Hoth System (Star Wars Legends)by Bravecylinder(NOTE) This simulation Is for demonstrational perposes only. It Is not mean't to run. I originally had (And still have) a Hoth system. If you are wondering why Im making a Legends system, Its because It has much more information. The Hoth System Is a star System consisting of 6 planets. 4 being r...159 downloadsupdated 7 y ago
- Gas Giant Earth with Glowing Continentsby 76561198880449275Earths Continents texture glowing on a Gas giant world My YouTube My Discord159 downloadsupdated 5 y ago
- water ballby 76561199426713706is ball of water is good159 downloadsupdated 4 y ago
- Sagittarius A With Accretion disc visable from earth!by 76561199275953530This is our Super Massive Black Hole Sagittarius A* in the center of our galaxy! In game Sagittarius A* does not have accreation disc, But i have added The accertion disc in game! They are also visible from Earth! Hope you enjoy the view of the accretion disc Give it thumbs up please! -TitanicExp...159 downloadsupdated 3 y ago
- Serima Systemby 76561198444544698Serima System is a fictional star system loceted 10 light years away from the Solar System and near the stars Epsilon Eridani and tau Ceti. All planets in this system revolve around the Sun-like star Serima. Serima System consists of 7 exoplanets and its moons. It also features a dwarf planet (wi...158 downloadsupdated 7 y ago
- Universe Size Comparison Cinematicby ByllHI Im Omega Comparisons158 downloadsupdated 5 y ago
- Solar System 4.5654 Billion years agoby 76561199203400160The sun formed into a Protostar 4.570 Billion years ago. The Sun when it formed Was at 30 Sun radius, 270 Sun Luminosity and at 4280K The sun also had a huge gas disk that was 50 AU large and the gas disk was so close to the sun stopping very close at 0.5 AU. The first planet that was formed Was...158 downloadsupdated 21 mo ago
- The Scarif System (Star Wars Cannon)by Bravecylinder(NOTE) This simulation Is for demonstrational purposes only. It Is not meant to be played. The Scarif System was a star system located In the Abrion Sector of the Outer Rim of the galaxy. The only planet In the system "Scarif" was a tropical planet, with a string of volcanic islands stringing acr...158 downloadsupdated 7 y ago
- Magnetar Systemby 76561198861258228The odds of planets being around a Magnetar are pretty low so this is mostly hypothetical.158 downloadsupdated 8 y ago
- Kerbal Space Program (Reset)by 76561199500479173这是坎巴拉太空计划中的kerbol系统play fan：）有些bug It might not be very stable. Havefun：）158 downloadsupdated 2 mo ago
- The Moon Woke up Episode 4 The Taxmen's ArrivalAfter alot of thinking and making other scenes i finally made this scene Note: keep sim paused this is for picture purposes only158 downloadsupdated 6 mo ago
- Ice giant similar to neptuneCurrent moon count: ~621. RUN AT YOUR PCS RISK!!! I reccomend running this sim no higher than about 3 hours per second. that lets you see the moons orbit without putting ur pc under too much stress158 downloadsupdated 4 mo ago
- KT mass Extintion Impactby NCDinoThe Boom that killed the dino boys.157 downloadsupdated 8 y ago
- Star Wars Planets with Earth comperisonby 76561199229802139All the Star Wars Planets i made are all being compared in size with our Planet Earth. I also added Caurouscant hinting at the Caurouscant System.157 downloadsupdated 4 y ago
- Death Star Destroying Earth In real time!by {~Ame~}hope you enjoy! Please credit me if you use my death star I in any of your uploaded simulations. Thanks!157 downloadsupdated 8 y ago
- Gigachad Systemby ChippyCreated By YT live chat 1/21/23157 downloadsupdated 4 y ago
- Planet Pack 1by insanetnt5036A couple of planets for you to use if you get bored of Earth and Mars.157 downloadsupdated 8 y ago
- neutron starsby Davdthecobra_12neutron stars157 downloadsupdated 6 y ago
- Alpha Centauri systemExplore the closest system to us!157 downloadsupdated 4 mo ago
- Star Setby somefoolouthere (she/her)A set of stars with different temperatures. There doesn't seem to be any difference between the black and really black one.156 downloadsupdated 8 y ago
- Planet Nibiru with Gold Dustby Johnny Apocalypse!Stitchinites, eat your hearts out.156 downloadsupdated 8 y ago
- nov starsby mindkeephello! welcome to my first system. this is a big one. 4 star and I don't aven know how many planets but it's a lot. I tried to make it realistic. but let me know if I did anything wrong. I'm open to suggestions! I'm making a prequel to the system soon as well as future parts.156 downloadsupdated 9 mo ago
- Most Mass Possibleby DuscaraThe game won't let me make something with more mass than this. It started as a planet, became a brown dwarf, and ended as a black hole.156 downloadsupdated 5 y ago
- the young solar systemby 76561199133135951@the young solar system exists out of planets i almost all made by myself hope you enjoy it!156 downloadsupdated 6 y ago
- The Day The Sun Became A Red Gaintby 76561198959192985Today is the year 1001-03-10 13.23 wich is after the year 10000. Mercury, Venus, Earth, Mars, Jupiter and Saturn have been sucked up by the Sun! Explore how it looks like in the future when the Sun becomes a Red Gaint!!!!!!156 downloadsupdated 7 y ago
- Interstellar (2014) System ((Gargantua))by 76561198980508178For some god forsaken reason, if you speed up the sim speed, the rings eject themself from gargantua. Oops! Not my problem to care, though.156 downloadsupdated 3 y ago
- HR-5763 SystemThis Is the System I Have Been Showing You On Youtube! Check My Latest Video. Terminater-c4t SPOILER ALERT! i poop my pants every 10 seconds Anyways Have A Great Time Creating The Future Or Past. Hope This Simulation Goes On The Most Subcribed. PLZ SUBCRIBE! Edit 1: it got bugged idk. Edit 2: YAY...156 downloadsupdated 3 mo ago
- Toi SystemToi, the light in the darkness, once holding many worlds now only has one. --------------------------------------------------- System Composition --Toi--{Red Dwarf Star} --Toruntel--{Mini-Neptune} -Piatus-{Small Rocky Moon} -The Vessel- -{Rogue Planets}- --Mondue--{Rogue Icy World} -Rontu-{Tiny A...156 downloadsupdated 5 mo ago
- Realistic Milky Wayby 76561198453556613I made the Milky Way realistic! i added lots more features like correct star count, mass, radius, and so much more!155 downloadsupdated 5 y ago
- More Molecules! Sulfur Dioxide, Ammonia, Chlorine and Carbon Monoxideby 76561198880449275Models of various molecules: Sulfur Dioxide, Ammonia, Chlorine and Carbon Monoxide My YouTube Join my Discord Server155 downloadsupdated 5 y ago
- The World but its only Japanby 76561198840843890I removed every other landmass in the world, it is only Japan.155 downloadsupdated 5 y ago
- neptune [realistic]by Four Leaf155 downloadsupdated 7 y ago
- Solar System 4 Billion Years agoby 76561199732812633Solar System 4 Billion Years Ago155 downloadsupdated 21 mo ago
- 流浪地球 - 20190315-215130by 76561198925448319模拟流浪地球从70000公里坠入木星的情景155 downloadsupdated 8 y ago
- My Solar Systemby 76561198337587071AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA154 downloadsupdated 4 y ago
- 我的模拟项 - 20220107-184613by Hiruinonai154 downloadsupdated 5 y ago
- Pandora satellite of Polyphemus ,from the Avatar movie.by marcmg28Alfa Centauri system with its planet Polyphemus and all its moons including Pandora with cilmate , clouds and stations with their respective polar caps.154 downloadsupdated 6 y ago
- Yinn - Star Wars Planetby ColoradoA Grassland Planet With Small Jungles And Alot Of Snow Covered Mountains. In The Unknown Regions. Native Species Are Twi'leks And Humans. Population: 2 Billion. Faction: The Federation Of Yinn. Allied Planets Are Jakku, Coruscant And Honisan Prime. Note I Made The Current Year On The Planet Is 35...154 downloadsupdated 7 y ago
- Galaxy superclusterby 76561198828469498154 downloadsupdated 8 y ago
- Red Giant Sun, Phase 2by 76561199106688735154 downloadsupdated 6 y ago
- Mustafar (Star Wars)by WillyMustafar was a small planet located in the Mustafar system, within the Atravis sector of the galaxy's Outer Rim Territories. Acquired by the Techno Union over three hundred years before the Clone Wars, Mustafar's lava flows were mined for unique and valuable minerals. Mustafar served as the final...154 downloadsupdated 4 y ago
- Gelars Systemby 76561198399364090Gelars System :)153 downloadsupdated 5 y ago
- SUPER-COLASAL-AUPERBLAHBLAHBALHYGRDE GIANTby 76561198988088798THIS IS UY SCUTI AND I MADE IT 1672692 MILKY WAYS omg AND 4483954 MASS OF MILKY WAY153 downloadsupdated 7 y ago
- Gliese 777 Trinary Systemby ctf011Gliese 777 is a star system composed of 3 stars, a yellow subgiant and 2 red dwarfs. There are two known planets orbiting the main star. GJ 777 A b is thought to be very similar to Jupiter, while GJ 777 A c is more similar to neptune. A METI message was sent to the system in July of 1999 from Eup...153 downloadsupdated 6 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.