Mycelial Crisis

NOT STAR TREK MOD!!! An expansion for the original Mushroom Island! Mushroom World and mycelium series have been added, and more things will be updated in the future!

2.4K Downloads

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About this Mod

I found out that the contents of Minecraft Mushroom Island were hollow, with only a lone island and a herd of unknown red bulls, so I decided to make this mod.

The story of the mod takes place in a Minecraft save like usual, but here the mycelium has mutated with the intention of taking over the world. You must go deep into their lair, the Mycelium Dimension, and kill their leader: the Crimson Mycelium King. In this way, you will be able to completely defeat the mycelium forces.

The dangerous mycelial dimension is no longer the same as the original Mushroom Island, and there will be deadly monsters waiting for you underground...

Anyway, this mod is pretty rudimentary at the moment, and I hope you guys enjoy it and support my development!

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Available Versions

Mycelial Crisis 0.1.8.1release

MC 1.20.1forge

February 8, 2026

Mycelial Crisis 0.1.7.3release

MC 1.20.1forge

January 10, 2026

Mycelial Crisis 0.1.7.2release

MC 1.20.1forge

January 2, 2026

Mycelial Crisis 0.1.7.1release

MC 1.20.1forge

January 1, 2026

Mycelial Crisis 0.1.7release

MC 1.20.1forge

December 21, 2025

How to Install Mycelial Crisis 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 "Mycelial Crisis". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Mycelial Crisis 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 Mycelial Crisis compatible with forge?

Mycelial Crisis officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Mycelial Crisis – how to optimize performance?

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