The Outer Wilds
Universe SandboxThe star system from Outer Wilds. Don't forget to bring your banjo, or you might fall victim to the relentless march of time!
Other
1,523subscriptionsno growth · 11 hr. agoUpdated: Apr 17, 2025
Mods: Universe Sandbox
Mods for your games from Steam Workshop and Source.
Counts describe mods indexed by GameRadar. Workshop popularity is measured in subscriptions.
Indexed mods: 335
Terraformed Solar System Objects Pack
Universe SandboxIn case you want to use this, credit me in the simulation or video if it is ever uploaded to the steam workshop. -BlueMarble
Other
1,507subscriptionsno growthUpdated: Aug 29, 2018
Terraformed Neptune (100%)
Universe SandboxA fully terraformed Neptune with vegetation, oceans, a habitable atmosphere, climate and city lights. ***NOTE: For Neptune, I had to use a custom surface, but as the original planet is a gas giant, I tried to use a surfa
Other
1,491subscriptions≈ +2 subscribers / dayUpdated: May 26, 2019
1,428subscriptionsno growth · 8 hr. agoUpdated: Feb 6, 2026
Flat Earth in Universe Sandbox
Universe SandboxStupidity at its finest. All objects made by me (Madplanetguy), give credit if you use these in a simulation If you enjoy, drop a follow as I will make a lot more planets!
Other
1,359subscriptions≈ +1 subscribers / day · 7 hr. agoUpdated: Mar 22, 2021
Only New Zealand
Universe SandboxTribute for New Zealand for not appearing in most maps after Antartica despite how big and populated it is, Handcrafted with Planetscapping Feature from Universe Sandbox for 1 Hour, The most realistic Handcrafted New Zea
Other
1,336subscriptionsno growthUpdated: Jan 25, 2022
Cube Universe
Universe SandboxA universe made of Cubes! Give Credit if you use any of these items Made by me (Madplanetguy) My YouTube My Discord
Other
1,301subscriptionsno growth · 8 hr. agoUpdated: Nov 9, 2020
3D Terrain Generation
Universe SandboxUnlike planets, asteroids have depth, large craters, and huge mountains. Even though planets look 3D, if you land on them, they aren't. I started playing around with asteroids, and realised they have elevation maps! So,
Other
1,295subscriptions≈ -1 subscribers / day · 10 hr. agoUpdated: Jul 15, 2025
Kerbal Space Program solar system to scale
Universe SandboxContains all stock planets to ten times the distance from sun. And all planets are to scale and moons measurements are taken from the game Thanks for downloading
Other
1,220subscriptions≈ +2 subscribers / day · 8 hr. agoUpdated: Dec 4, 2024
Exoplanets. 100 planetary systems closest to to the solar system.
Universe SandboxThe 100 stars closest to the solar system within aradius of 70 light years,with their respective planetary systems respectively,number of planets,distance from their star,mass,diameter,temperature,all the information has
Other
1,201subscriptions≈ +1 subscribers / day · 7 hr. agoUpdated: Jun 11, 2022
My Realistic Jupiter (With 4000 bands)
Universe SandboxMadplanetguy's 4000 band "Extreme Jupiter" If used in a simulation intended to be uploaded to the workshop, give credit, Thanks If you enjoy, drop a follow as I will make a lot more planets!
Other
1,145subscriptionsno growth · 10 hr. agoUpdated: Mar 22, 2021
TUCS (The Ultimate Collaboration System)
Universe SandboxHuge thanks to: ''Syz Fish (discord name) ''for the thumbnail! ''nathanrog06'' For Plunxiapus, Mefitis and Tercuptas!'c 'Milkbot'' for Stormius and its moons! ''Basketballgod (discord name)'' for Berca! ''Nikofbrf'' For
Other
1,143subscriptionsno growthUpdated: Apr 30, 2023
1,140subscriptionsno growth · 11 hr. agoUpdated: Mar 27, 2025
Material Stars
Universe SandboxSomething fun I thought of, I was kinda bored. Feel free to use it in any of your sims, but don't say its yours. I hope you enjoy! Subscribe!
Other
1,092subscriptionsno growth · 10 hr. agoUpdated: Aug 24, 2025
1,083subscriptionsno growth · 7 hr. agoUpdated: Apr 20, 2024
Super Realistic Saturn
Universe SandboxThis is Saturn With its Ring the Rings are the part that Make the Shadow
Other
1,042subscriptionsno growthUpdated: Sep 28, 2021
the solar system... but mars and venus have been terraformed!!!!
Universe Sandboxif this gets 10 likes ill terraform neptune thanks for over 10 likes!!! heres terraformed neptune as promised: https://steamcommunity.com/sharedfiles/filedetails/?id=3094160750&searchtext=
Other
1,038subscriptionsno growthUpdated: Nov 13, 2023
Kerbol System
Universe SandboxThe iconic star system from Kerbal Space Program. My version of the system here uses the stock system (Moho, Eve, Kerbin, Duna, Dres, Jool and Eeloo and their respective moons) aswell as the planet mods Outer Planets Mod
Other
1,036subscriptions≈ +19 subscribers / dayUpdated: Oct 20, 2026
Solitude (V. 1.01 Public Build) by Mh11 and An_Idot
Universe SandboxSolitude V. 1.01 Public Build - Sol to different eyes ---This Is a Co-System Project from Mylo Hebert (Mh11) and An_Idot--- ---NEW UPDATE: Changed the textures of all Rocky Planets and Moons--- Solitude exists in a unive
Other
1,033subscriptionsno growth · 11 hr. agoUpdated: Apr 27, 2025
N O V I S Y S T E M
Universe SandboxThis system could exist in real life or one very similar to it. Enjoy! System Stats Star Type: M1V System Composition: 67 Attracting Objects 665 Total Objects Inner System: (0 AU - 0.22 AU) Main Sequence Red Dwarf Star 4
Other
995subscriptionsno growth · 10 hr. agoUpdated: Jun 17, 2025
Theoretical Copper-9 System
Universe SandboxA fully simulated, realistic interpretation of the Copper-9 Solar System from Murder Drones. After seeing the lack of Murder Drones content in the workshop, I decided to take matters into my own hands and make this! Plea
Other
959subscriptionsno growth · 8 hr. agoUpdated: Oct 19, 2025
The Yavin System (Star Wars)
Universe SandboxThe Yavin system was a star system in the Gordian Reach in the Outer Rim Territories. It contained 3 planets: Fiddanl, Stroiketcy, and the gas giant Yavin Prime with its twenty-six moons. This overall mundane star system
Other
925subscriptions≈ +1 subscribers / dayUpdated: Sep 27, 2026
Verheolar System
Universe SandboxWelcome to this small but compact system! Although mostly ignored by the galactic community due to its negligable importance and self-inforced isolation, this is one of the few systems that can say they remain truely ind
Other
907subscriptions≈ +1 subscribers / day · 10 hr. agoUpdated: Aug 12, 2025
Avatar entire system (Realistic) UPD
Universe SandboxAlpha centauri is a system in real life. And in avatar the planets are orbiting alpha centauri A.
Other
903subscriptionsno growth · 8 hr. agoUpdated: Dec 24, 2024