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Modrinth · Minecraft mod
OnlyZombies
This mod adds a game-rule that removes some entities except for zombies (game-rule is togglable).
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which OnlyZombies release matches 1.21.8?
Best match for your filters 1.0.0
Game version 1.21.8
Loader NeoForge
OnlyZombies 1.0.0 targets 1.21.8 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is OnlyZombies required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
Client Optional
Dedicated server Optional
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 marks this as usable on both the client and server.
What else does OnlyZombies 1.0.0 need?
1.0.0 on 1.21.8. Every mod below is checked against that same setup.
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 OnlyZombies without breaking your instance.
Built for OnlyZombies 1.0.0 on 1.21.8. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.0. It targets 1.21.8 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
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.0. It opens that exact file at the source.
About this project
What does OnlyZombies add?
Only Zombies is a mod that removes many non-zombie mobs to create a zombie-focused survival experience.
Gamerule
/gamerule OnlyZombies true
Default: true
When enabled, the following mobs will not spawn:
Spoiler
Skeleton
Spider
Cave Spider
Creeper
Phantom
Guardian
Elder Guardian
Enderman
Pillager
Vindicator
Evoker
Villager
Silverfish
Warden
Slime
Witch`
This makes zombies the main threat in the world.
Project description from Modrinth.
Pick your setup
OnlyZombies by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.4
1 loader buildMinecraft version
1.21.1
1 loader buildMinecraft version
1.20.6
1 loader buildMinecraft version
1.20.4
1 loader buildMinecraft version
1.20.1
1 loader buildMinecraft version
1.19.4
1 loader buildMinecraft version
1.19.2
1 loader buildMinecraft version
1.18.2
1 loader buildMinecraft version
1.17.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
OnlyZombies versions and loaders
1.0.0
onlyzombies-1.0.0-neoforge-1.21.8.jar
15 Jul 2026
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.21.8 · NeoForge setup 1.21.8NeoForge release
Looking for an older file? The official Modrinth project page is in Resources.
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