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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: 576

Terraformed Neptune (100%)

Universe Sandbox

A 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≈ -1 subscribers / day · 44 hr. agoUpdated: May 26, 2019
Author: 76561198119479348

Terraformed Saturn (100%)

Universe Sandbox

A fully terraformed Saturn, with rings, vegetation, oceans, a habitable atmosphere, climate and city lights. ***NOTE: For Saturn I had to use a custom surface, but as the original planet is a gas giant, I tried to use a

Other
1,482subscriptionsGrowth: awaiting a fresh measurementUpdated: May 26, 2019
Author: 76561198119479348

neutron star

Universe Sandbox

the monster of the universe neutron star

Other
1,421subscriptionsGrowth: awaiting a fresh measurementUpdated: Oct 21, 2020
Author: 76561199079959631

Terraformed Uranus (100%)

Universe Sandbox

A fully terraformed Uranus, with rings, vegetation, oceans, a habitable atmosphere, climate and city lights. ***NOTE: For Uranus, I had to use a custom surface, but as the original planet is a gas giant, I tried to use a

Other
1,411subscriptions≈ -1 subscribers / day · 44 hr. agoUpdated: May 26, 2019
Author: 76561198119479348

Kerbal Space Pogramm solar system V2

Universe Sandbox

Ksp solar system Already in the game: Moho Eve + Gilly Kerbin+ Moons Duna + Ike Dres Jool+Moons Eloo Coming soon: Interstellar Planets (ksp2) Pls leave a like XD

Other
1,409subscriptions≈ +1 subscribers / day · 44 hr. agoUpdated: Mar 18, 2021
Author: 76561198961454316

Backrooms if they were planets

Universe Sandbox

An recreation of the Backrooms levels 0 to 10 as "LVL 0 to LVL 10" so don't get confused! I worked quite the sweat to please heart it all you BACKROOMS fans! Also, gat ready for more some time this year!

Other
1,365subscriptionsGrowth: awaiting a fresh measurementUpdated: May 21, 2022
Author: 76561198287394957

Flat Earth in Universe Sandbox

Universe Sandbox

Stupidity 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
1,361subscriptionsno growth · 2 days agoUpdated: Mar 22, 2021
Author: 76561198880449275

Only New Zealand

Universe Sandbox

Tribute 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 growth · 44 hr. agoUpdated: Jan 25, 2022
Author: 76561199127940579

3D Terrain Generation

Universe Sandbox

Unlike 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
1,302subscriptions≈ +1 subscribers / day · 15 hr. agoUpdated: Jul 15, 2025
Author: 76561198052000407

Cube Universe

Universe Sandbox

A universe made of Cubes! Give Credit if you use any of these items Made by me (Madplanetguy) My YouTube My Discord

Other
1,300subscriptions≈ -1 subscribers / day · 2 days agoUpdated: Nov 9, 2020
Author: 76561198880449275

Eteris Star System (Present)

Universe Sandbox

EST Near Future is finally here: https://steamcommunity.com/sharedfiles/filedetails/?id=2861234855 The sequel to Eteris Star System (Before) Eteris, a mid-aged star system, full of its mysterious and unknown planets that

Other
1,286subscriptionsGrowth: awaiting a fresh measurementUpdated: Oct 20, 2022
Author: 76561198302355192

Big Ben in Universe Sandbox

Universe Sandbox

Model of the Elizabeth Tower (Big Ben) -roughly to scale All components made by me (Madplanetguy) Give it an upvote on steam if you enjoy, as it will help more people find this item! My YouTube

Other
1,253subscriptionsGrowth: awaiting a fresh measurementUpdated: Aug 18, 2021
Author: 76561198880449275

The Sorlax System

Universe Sandbox

The Sorlax System is the new home for humanity it has everything we need a earth like world that we could call home a young sunlike star and plenty more. {Sorlax} Type: Star Mass: 1.01 Suns Size: 9.34 Jupiters Age: Aroun

Other
1,230subscriptionsGrowth: awaiting a fresh measurementUpdated: Dec 24, 2021
Author: 76561198877911047

Kerbal Space Program solar system to scale

Universe Sandbox

Contains 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
1,222subscriptionsno growth · 2 days agoUpdated: Dec 4, 2024
Author: 76561198132626899

My Realistic Jupiter (With 4000 bands)

Universe Sandbox

Madplanetguy'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
1,149subscriptions≈ +2 subscribers / day · 15 hr. agoUpdated: Mar 22, 2021
Author: 76561198880449275

Kerbol System

Universe Sandbox

The 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
1,146subscriptions≈ +21 subscribers / day · 44 hr. agoUpdated: Oct 20, 2026
Author: 76561198766717993

TUCS (The Ultimate Collaboration System)

Universe Sandbox

Huge 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
1,142subscriptionsno growth · 45 hr. agoUpdated: Apr 30, 2023
Author: 76561199133135951

Kepler-22 Exoplanet System

Universe Sandbox

First-ever transiting exoplanet discovered in the habitable zone // Kepler-22, also known as KOI-87, is a real exoplanet system comprising a Sun-like star and one confirmed planet 635 light-years away in the constellatio

Other
1,132subscriptionsGrowth: awaiting a fresh measurementUpdated: Aug 3, 2026
Author: 76561198095020346

Tatooine (Star Wars)

Universe Sandbox

This is the famous planet from star wars, tatooine, i will be doing more of these later on. Tatooine is a hot fictional desert planet from Star Wars. This planet orbits 2 suns in the galaxy's Outer Rim.

Other
1,108subscriptionsGrowth: awaiting a fresh measurementUpdated: Jan 4, 2022
Author: 76561199175536963
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