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The Undefined project artwork

CurseForge · Minecraft mod

The Undefined

This Is My Horror Mod It Adds Custom Biome, Dimension, and items, etc.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which The Undefined release should I use?

Updated 2 days ago
Latest stable file (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar
Game version 1.21.8
Loader NeoForge

The Undefined (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar targets 1.21.8 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is The Undefined required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release NeoForge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does The Undefined (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar need?

(version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add The Undefined without breaking your instance.

Built for The Undefined (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar. It targets 1.21.8 with NeoForge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside (version 1.2.sorry for two error versions in row)the_undefined-1.0.0-neoforge-1.21.8.jar. It opens that exact file at the source.

About this project

What does The Undefined add?

This adds a new dimension NEW BIOME! and so many items and a horror monster to chase you and creep you out! (play tester:heyitstj_MC) heyitstj_MC also logo maker. this mod can make your experience super scary and there is many things to do so you should never be bored. sorry if i dont update it much

Project description from CurseForge.

Pick your setup

The Undefined by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

The Undefined versions and loaders

11 of 11 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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