CurseForge · Minecraft mod
Difficult Mobs
Makes mobs much more dangerous.
Quick answer
Which Difficult Mobs release should I use?
Difficult Mobs harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar targets 1.20.1 with Forge. 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 Difficult Mobs 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 Difficult Mobs harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar need?
harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar. 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 Difficult Mobs without breaking your instance.
Built for Difficult Mobs harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar. It targets 1.20.1 with Forge; 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 harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar. It opens that exact file at the source.
About this project
What does Difficult Mobs add?
For players who crave a challenge this mod gives nearly all mobs potion effects that make them vastly more dangerous and stops some passive mobs from spawning (which slightly reduces performance) if you want passive mobs download the 'with animals' version.
You may use this mod in your modpack.
Project description from CurseForge.
Pick your setup
Difficult Mobs by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.19.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Difficult Mobs versions and loaders
harder_mobs-1.0.1-forge-(with Animals)1.20.1.jar
23 Jun 2025
harder_mobs-1.0.1-forge-1.20.1.jar
23 Jun 2025
Harder_Mobs(withAnimals)1.20.1.jar
harder_mobs(withanimals)1.20.1.jar
3 Mar 2025
Harder_Mobs1.20.1.jar
harder_mobs1.20.1.jar
3 Mar 2025
HarderMobs(withAnimals).jar
1 Dec 2024
HarderMobs.jar
1 Dec 2024
Looking for an older file? The official CurseForge project page is in Resources.