ModsJava
Atomic's Space Expansion
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
(Works standalone, but meant to be used with mods like Valkyrien Skies 2 and Create. Best used with Copycats+ for Create) A simple building blocks pack for rockets, spacecraft, space stations and more.
Mod content:
- Insulating foam blocks in all 16 dye colors (and an item to make them craftable)
- MLI foil blocks in gold, silver, and copper variants (gold and copper made by mixing silver MLI foil with yellow and orange dye)
- A solar array block
- A brushed metal block
- A shiny metal block
- A shiny metal window
- Black and white cover panels (with seamless variants)
- Black and white ribbed cover panels
- Green ribbed panels that you can use as engine mounts
- Radiator panels that you can put on spacecraft
All craftable! See gallery for crafting recipes.
I'm no longer working on this mod because I have lost interest in it, im more interested in other space stuff
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as asec-0.1.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 762 KB
- Download link checked 17 Oct 2026 — working
These come from our own check of the pack file, not from the source page.