How do I install Rats Unofficial (Fixed)?

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 Rats Unofficial (Fixed) work with?

The listing gives Minecraft 1.21.1, 1.21. This is the version stated by the author or source site, not something we verified ourselves.

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Rats Unofficial (Fixed)

Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by ebaa67 · on CurseForge

ONLY LOADS WITH CTOV USING THE RATS & CTOV FIX Dependency on Citadel or Citadel (Unofficial Port) This is a fixed and improved version of the Rats…

Which Minecraft do you have?

Every version of the game needs its own build. Pick yours, then download — the wrong build installs fine and then does nothing in the game. This mod is built for NeoForge only.

Minecraft 1.21.1Newest
Minecraft 1.21

⬇ Download for 1.21.1 ⬇ Download for 1.21

I don't know my version or loader

Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.

No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

Open in MC Java Mods Get it on Google Play →

Rats Unofficial (Fixed) — Minecraft Java mod, screenshot 1

ONLY LOADS WITH CTOV USING THE RATS & CTOV FIX

Dependency on Citadel or Citadel (Unofficial Port)

This is a fixed and improved version of the Rats adaptation originally made by DearDanielr.

CREDITS: AlexModGuy and other contributors

ORIGINAL MOD: Rats Mod

COMPAT WITH

- Create and Create Aeronautics

- Use jei to view recipes

- Use Jade for tooltip

DISCLAIMER --

This mod is an adaptation and fixes made by the community, with all credits given to the original creators of the mod.

FABRIC

Can you run this mod on fabric with KiltMc Mod

SOMEONE FIXES MADE BY ME --

Fixed crash when try trade with plague doctor

Fixed crash when curdling station rendering fluids

Fixed crash when using curdling station

Fixed structure generation in overworld and ratlantis

Fixed crash when use buccaneer upgrade

Fixed flying upgrades don't realize a fly

Fixed crash when rendering mobs in ratlantis

Fixed loot tables in petshops

LICENSE

GNU Lesser General Public License v3.0 (LGPLv3)

SEARCH KEYS

rats, rats port 1.21.1, rats neoforge, tech, rats fabric, 1.21.1, rats mod neoforge, rats mod fabric, rats reborn, farming, rats unofficial port, bug fixes, rats community edition, automation, rats for 1.21.1, rats for neoforge

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.1, 1.21
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 Rats Unofficial Port(Fixed)-1.21.1-8.2.3.jar — drop this file into the mods folder
Download size: 8.0 MB
Download link checked 3 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 1.21