Sulfur Backport

Sulfur Backport

This mod backports the blocks from the Chaos Cubed update.

by
1.5K Downloads
fabricadventuredecorationworldgen
Rent Server with this Mod

Screenshots

the blocks

About this Mod

Sulfur Backport.

This mod ports the Sulfur and Cinnabar blocks from Minecraft's new Chaos Cubed update to earlier versions!!!

Here's a video showcasing all the blocks this mod backports.

https://youtu.be/lmVlB8KBtlQ

As of the Initial Release, the Chaos Cubed update has not actually release, So there aren't recipes or worldgen.

These will be added as soon as the first snapshot with the blocks releases.

Available Versions

Sulphur Backport 1.1release
MC 1.20.1fabric
March 30, 2026
Sulphur Backport 1.1release
MC 1.21.11fabric
March 30, 2026
Sulphur Backport 1.11 HOTFIXrelease
MC 1.21.1fabric
March 22, 2026
Sulphur Backport 1.1release
MC 1.21.1fabric
March 22, 2026
Sulpher Backport 1.0release
MC 1.21.1fabric
March 21, 2026

How to Install Sulfur Backport on Your Server

1

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.1, 1.20.1

Server-side

Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Sulfur Backport server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Sulfur Backport compatible with fabric?

Sulfur Backport officially supports fabric for Minecraft 1.21.11, 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Sulfur Backport – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Sulfur Backport 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 Sulfur Backport with just one click on your server.

Recommended RAM
6 GBab €12/mo
Min. 4 GB | +1 GB pro 5 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.111.21.11.20.1