Random Mob Blocks

It's a mod that when you place a block a mob appear on top of it

49 Downloads

neoforgemobs

About this Mod

Random Mob Blocks is a fun and chaotic Minecraft mod that turns every block placement into a surprise!
Whenever a player places any block, a random mob instantly spawns on top of the placed block.

🐔 A chicken?
💀 A skeleton?
🐲 A deadly boss?
Anything can happen!

✨ Features
A fully random mob spawns every time a block is placed
Works with all blocks (dirt, stone, diamonds, etc.)
Compatible with Survival and Creative modes
Can spawn passive, hostile, and rare mobs
Perfect for:

Hardcore challenges 🔥

YouTube videos 🎥

Multiplayer chaos with friends 💥

⚠️ Warning

Placing blocks has never been this dangerous… or this fun.
Building a simple house might summon an army of creepers!

Available Versions

Random Mob Blocks 1.0.0release

MC 1.21.8neoforge

January 11, 2026

How to Install Random Mob Blocks on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.8).

Install Mod

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

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.8

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Random Mob Blocks server crashes on startup – what to do?

Most common cause: wrong neoforge 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 (1.21.8). You can switch loaders with one click in the panel.

Is Random Mob Blocks compatible with neoforge?

Random Mob Blocks officially supports neoforge for Minecraft 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Random Mob Blocks – how to optimize performance?

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