ModpacksJava
The Broken Optimization
Java modpack listed for Minecraft 1.21. File opened and checked on 1 Nov 2026; downloads from the MC Java Mods app on Android.
A Modpack made to optimize the mod "the broken script". Free Minecraft Java modpack for 1.21.1.
⬇ Download on ModrinthQuick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 Modrinth — 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
- Downloads as The Broken Optimization 1.12.4.mrpack
- Download size: 715 KB
- Download link checked 25 Oct 2026 — working
These come from our own check of the pack file, not from the source page.