Clayium Unofficial

Clayium Unofficial

An unofficial port of Clayium

by
1.7K Downloads
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Rent Server with this Mod

Screenshots

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About this Mod

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日本語版はこちら

An unofficial continuation of Clayium.

Original mod: Clayium © deb_rk (Licensed under CC-BY-4.0)

If you find a bug, please report it on issue tracker.

Modpack Permission

This mod is open-source and freely available.

Recipe Customization

You can customize recipes with GroovyScript.

See wiki for more information.

Textures

The textures used are from the original Clayium mod.

Credits

Clayium Unofficial would not have been possible without the following OSS:

Name License
Clayium CC-BY-4.0
CodeChickenLib LGPL-2.1
Forgelin Continuous LGPL-3.0
GTCEu Buildscripts MIT
GregTechCEu LGPL-3.0
ModularUI LGPL-3.0
RFTools MIT

Available Versions

Clayium Unofficial: 1.12.2-0.13.1beta
MC 1.12.2forge
March 20, 2026
Clayium Unofficial: 1.12.2-0.13.0beta
MC 1.12.2forge
February 7, 2026
Clayium Unofficial: 1.12.2-0.12.4beta
MC 1.12.2forge
January 16, 2026
Clayium Unofficial: 1.12.2-0.12.3beta
MC 1.12.2forge
November 19, 2025
Clayium Unofficial: 0.12.2beta
MC 1.12.2forge
November 16, 2025

How to Install Clayium Unofficial on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.12.2).

3

Install Mod

Open the mod browser in the dashboard and search for "Clayium Unofficial". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.12.2

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Clayium Unofficial 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 (1.12.2). You can switch loaders with one click in the panel.

Is Clayium Unofficial compatible with forge?

Clayium Unofficial officially supports forge for Minecraft 1.12.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Clayium Unofficial – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Clayium Unofficial 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.

Rent Modded Server

Install Clayium Unofficial with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v3.0 or later
Server-side
Required

Supported Versions

1.12.2