Random Mob Sizes

configure mobs to spawn in different sizes

245.9K Downloads

fabricforgeneoforgeadventuremobs

Rent Server with this Mod

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About this Mod

let's you configure mobs to spawn in different sizes

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According to the configuration, mobs will spawn with random sizes.

Checkout the wiki to get more information on how to configure this mod.

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if you have any questions about the mod, or you want a few insights about upcoming features:

feel free to join the Discord

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Available Versions

1.21.10 - 2.2.2 - Forgerelease

MC 1.21.9, 1.21.10forge

December 4, 2025

1.21.10 - 2.2.2 - Fabricrelease

MC 1.21.9, 1.21.10fabric

December 4, 2025

1.21.10 - 2.2.2 - NeoForgerelease

MC 1.21.9, 1.21.10neoforge

December 4, 2025

1.21.8 - 2.2.2 - Forgerelease

MC 1.21.8forge

September 13, 2025

1.21.8 - 2.2.2 - Fabricrelease

MC 1.21.8fabric

September 13, 2025

How to Install Random Mob Sizes 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 (1.21.10).

Install Mod

Open the mod browser in the dashboard and search for "Random Mob Sizes". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforgeneoforge

Minecraft Versions

1.21.10, 1.21.9, 1.21.8 (+16 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Random Mob Sizes 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 (1.21.10). You can switch loaders with one click in the panel.

Is Random Mob Sizes compatible with fabric and forge and neoforge?

Random Mob Sizes officially supports fabric, forge, neoforge for Minecraft 1.21.10, 1.21.9, 1.21.8. 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 Random Mob Sizes – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Random Mob Sizes 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.