How do I install Bacteria Monster?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on CurseForge — not every file is mirrored on our own servers.

What Minecraft version does Bacteria Monster work with?

The listing gives Minecraft 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Mods›Bacteria Monster

ModsJava

Bacteria Monster

Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.

by CoolToad · on CurseForge

⬇ Download on CurseForge

The author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.

Open in MC Java Mods Get it on Google Play →

This mod pack adds the scary Bacteria Monster to your game!

You can add this to your backroom builds or try to survive it with your friends. I hope this mod will make your backroom experience harder, scarier and funnier :)

Trailer: https://www.youtube.com/watch?v=F2Sa0HBVQ_Y

update log: 1.2.1 - 10/5/25

Killable with water/rain
Made Bacteria Monster Bigger

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Ships as stuff-1.2.1-forge-1.20.1.jar — drop this file into the mods folder
Download size: 322 KB
Download link checked 18 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.20