Only Zombies Spawn
Makes only zombies spawn in the world by preventing all other hostile mobs from spawning, including from spawners.
About this Mod
Only Zombies Spawn
Only Zombies Spawn is a simple mod that makes zombies the only hostile mob that can spawn.
All other hostile mobs are blocked from spawning, including mobs spawned by mob spawners.
This keeps gameplay straightforward and creates a world where hostile encounters are focused entirely on zombies.
Features
- Only zombies can spawn as hostile mobs
- Prevents all other hostile mobs from spawning naturally
- Prevents all other hostile mobs from spawning from spawners
- Keeps the concept simple and easy to understand
- Designed for players who want a zombie-only survival experience
Supported Versions
- Forge 1.20.1
- NeoForge 1.21.1
- NeoForge 26.1
Notes
- This mod is intended to make hostile mob spawning zombie-only
- Friendly and neutral mobs are not the focus of this mod
- Built for lightweight, easy-to-use gameplay customization
Perfect For
- Zombie-themed survival worlds
- Custom modpacks
- Challenge runs
- Simple hostile mob control
Available Versions
How to Install Only Zombies Spawn on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Only Zombies Spawn". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1 (+9 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Only Zombies Spawn server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1.2). You can switch loaders with one click in the panel.
Is Only Zombies Spawn compatible with fabric and forge and neoforge?
Only Zombies Spawn officially supports fabric, forge, neoforge for Minecraft 26.1.2, 26.1.1, 26.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Only Zombies Spawn – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Only Zombies Spawn consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Only Zombies Spawn with just one click on your server.