Modular Force Field Systems (MFFS)
I don't know my version or loader









About
Modular Force Field System (or MFFS) is a mod that adds force fields, high tech machinery and defensive measures to Minecraft. Ever tired of nuclear explosions blowing up your house or want to keep people out of your secret bases? May the force (fields) be with you!
Usage
MFFS uses Fortron as its main power source for force fields. It contains a series of machines focused on converting energy to Forton for the use in generating force fields.
The primary machine is the Force Field Projector which is powered by Fortron Capacitors (storage) and Coercion Derivers (generators).
The projector can be modified with various cards and upgrades that improve its stats. These upgrades include several field shapes, size scaling, position offset, and utility modules. For example, the upgrade to shock attacks, kill monsters, remove blocks, and protect tiles.
Feature Summary
- 🛡️ Protect your base using high tech Force Field Technology™
- ⚡ Fortron fluid is used as the power source
- 🔐 Specify who can access the force field
- 🛠️ Improve the Force Field's stats with various upgrades
Supporting Mods
Join our community
Any feedback is appreciated!
*MFFS v3.0+ is a complete ground-up rewrite inspired by ThunderDark's MFFS mod.
**Su5eD is the active maintainer with Built Broken Modding headed by QueenOfMissiles (DarkGuardsman) holding the project**
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.21.1, 1.21.11
- 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.
- Ships as Mffs-1.7.10-4.0.0b151.jar — drop this file into the mods folder
- Download size: 962 KB
- Download link checked 9 Sept 2026 — working
These come from our own check of the pack file, not from the source page.