They Are Multiplying!
Minecraft but you can breed mobs that should not be.
About this Mod
They Are Multiplying!
This mod simply makes zombies (any type, including zombified piglins and zoglins), slimes and phantoms breedable.
What items can I use to breed?
All breeding items can be changed via datapacks, here's the defaults!
Drowned: Any type of vanilla fish, any type of raw vanilla meat, rotten flesh and spider eyes.
Husk: Any type of raw vanilla meat, rotten flesh and spider eyes.
Magma cube: See the next point.
Phantom: Phantom membranes.
Slime: See the next point.
Zoglin: Same as drowned.
Zombie: Same as Husk.
Zombie Villager: Same as Husk.
Zombified Piglin: Same as Husk.
What about slimes and magma cubes?
They can eat anything, in their case, the tag is used to blacklist an item of being used to breed them.
If you're curious about working with this mod via datapacks or adding compatibility with your mod, please read the documentation.
Forge? X version?
No and no. Although this mod should be compatible with 1.19, 1.19.1 and 1.19.2.
If you have any questions, feel free to ask them in the comments and if you find bugs, you can report them on the issue tracker on GitHub.
Available Versions
How to Install They Are Multiplying! 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 (1.19.2).
Install Mod
Open the mod browser in the dashboard and search for "They Are Multiplying!". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.19.2, 1.19.1, 1.19
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
They Are Multiplying! 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 (1.19.2). You can switch loaders with one click in the panel.
Is They Are Multiplying! compatible with fabric?
They Are Multiplying! officially supports fabric for Minecraft 1.19.2, 1.19.1, 1.19. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with They Are Multiplying! – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if They Are Multiplying! 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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