ModsJava
Only Zombies Spawn
Makes only zombies spawn in the world by preventing all other hostile mobs from spawning, including from spawners.
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
Only Zombies Spawn
Only Zombies Spawn is a lightweight mod that restricts hostile mob spawns exclusively to zombies. When a non-zombie monster attempts to spawn, it is automatically replaced with one or more zombies.
Features
- Spawn Replacement: Replaces all hostile mobs (monsters) with zombies.
- Wide Coverage: Works for natural spawns, mob spawners, chunk generation, structures, and patrols.
- Boss Exclusion: Ender Dragons and Withers are excluded from replacement and will spawn normally.
- Spawn Multiplier: Configure between 1 to 40 zombies to spawn in place of a single replaced mob.
- Persistence Inheritance: If the original mob was set to not despawn (e.g., via a Name Tag), the replacement zombies will also inherit this persistence.
Configuration
You can open the configuration GUI in-game using the /ozsconfig command to adjust the following settings:
- Allowed Mobs (
allowedMobs): Specify a list of mobs that should be allowed to spawn normally without being replaced. - Disabled Dimensions (
disabledDimensions): Specify dimensions (e.g., The Nether, The End) where the mod's effects should be disabled. - Zombie Spawn Multiplier (
zombieSpawnMultiplier): Set the number of zombies that appear per replacement (Default: 1).
The configuration file is saved at config/onlyzombiesspawn.properties.
Supported Versions
- Forge: 1.18.2, 1.19.2, 1.20.1
- NeoForge: 1.21.1, 26.1, 26.1.2
- Fabric: 1.20.1, 1.21.1, 26.1, 26.1.2
Perfect for zombie-themed worlds, custom modpacks, and survival challenges.
Verified by MCModsHub
- Ships as onlyzombiesspawn-1.19.2-forge-v1.0.3.jar — drop this file into the mods folder
- Download size: 15 KB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.