
Atomic's Space Expansion
A simple building blocks pack for rockets, spacecraft, space stations and more.
Screenshots






About this Mod
(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
Available Versions
How to Install Atomic's Space Expansion on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Atomic's Space Expansion". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Atomic's Space Expansion server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Atomic's Space Expansion compatible with forge?
Atomic's Space Expansion officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Atomic's Space Expansion – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Atomic's Space Expansion consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Atomic's Space Expansion with just one click on your server.