CurseForge · Minecraft mod
The Horror Expansion
This mod adds new horror mobs and biomes.
Quick answer
Which The Horror Expansion release should I use?
The Horror Expansion 0.4.0 1.21.1 targets 1.21.1 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 Horror Expansion required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does The Horror Expansion 0.4.0 1.21.1 need?
The Horror Expansion 0.4.0 1.21.1. Change the file and its required mods may change too.
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 Horror Expansion without breaking your instance.
Built for The Horror Expansion 0.4.0 1.21.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use The Horror Expansion 0.4.0 1.21.1. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 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.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside The Horror Expansion 0.4.0 1.21.1. It opens that exact file at the source.
About this project
What does The Horror Expansion add?
The first horror monster names is The Watcher:
The Watcher is a mob that attacks the player; it looks like an eye with four spider legs.
The Watcher Eye is the drop from Watcher.
The Eye Forest: is a new biome where the Watcher spawns.
The biome also features new leafless trees with animated eyes. This biome only spawns in the Overworld.
Project description from CurseForge.
Pick your setup
The Horror Expansion by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
The Horror Expansion versions and loaders
The Horror Expansion 0.4.0 1.21.1
the_horror_expansion-0.4.0-neoforge-1.21.1.jar
28 Aug 2026
The Horror Expansion 0.4.0
the_horror_expansion-0.4.0-forge-1.20.1.jar
28 Aug 2026
The Horror Expansion 0.3.0
the_horror_expansion-0.3.0-forge-1.20.1.jar
9 Jun 2026
the_horror_expansion-0.2.0-forge-1.20.1.jar
7 Feb 2026
the_horror_expansion-0.1.0-forge-1.20.1.jar
6 Feb 2026
Looking for an older file? The official CurseForge project page is in Resources.