Nightmare Mod

Nightmare Mod

A mod that adds new items and new mobs to the game.

by
652 Downloads
fabricadventurecursedmobs
Rent Server with this Mod

Screenshots

Nocturno's Fortress
Shadowbane

About this Mod

This is a mod which adds 9 new mobs(including 2 bosses) and 11 new items. It also adds a custom spawning ore called magnetite. Also add 2 new structures

To add it to a survival world put it in your mods folder. However to add this to a server put it in both the servers mod folder and anyone who plays on the server's mods folder

Available Versions

Nightmare Mod 2.1.0 1.21.8release
MC 1.21.8fabric
August 24, 2025
Nightmare Mod 2.0.5release
MC 1.21.8fabric
August 23, 2025
Nightmare Mod 2.0.4 1.21.8release
MC 1.21.8fabric
August 23, 2025
Nightmare Mod 2.0.3 1.21.8release
MC 1.21.8fabric
August 22, 2025
Nightmare Mod 2.0.2release
MC 1.21.6fabric
August 17, 2025

How to Install Nightmare Mod on Your Server

1

Order Server

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

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.8).

3

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.8, 1.21.7, 1.21.6

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Nightmare Mod 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 3 GB RAM is allocated and the loader matches the mod version (1.21.8). You can switch loaders with one click in the panel.

Is Nightmare Mod compatible with fabric?

Nightmare Mod officially supports fabric for Minecraft 1.21.8, 1.21.7, 1.21.6. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Nightmare Mod – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Nightmare Mod 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 Nightmare Mod 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
Creative Commons Attribution 4.0 International
Server-side
Required

Supported Versions

1.21.81.21.71.21.6