How do I install Rules System?

Download the .mcpack or .mcaddon file. Open it — Minecraft imports it. In your world: Behavior Packs → Available → Activate, then the same under Resource Packs. Opens on CurseForge — not every file is mirrored on our own servers.

What Minecraft version does Rules System work with?

The listing gives Minecraft 1.21.90, 1.21.73, 1.21.72, among others. This is the version stated by the author or source site, not something we verified ourselves.

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Rules System

Bedrock add-on listed for Minecraft 1.21 (behavior pack only). Needs Beta APIs. File opened and checked on 10 Oct 2026; installs from the MC Bedrock Mods app on Android.

by ThirtyFoxMC · on CurseForge

A script-based Rules System for Minecraft Bedrock that lets you control gameplay behavior, enforce rules, and automate custom actions on your world or…

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.

Minecraft 1.21.90Newest
Minecraft 1.21.70–1.21.73

⬇ Download for 1.21.90 ⬇ Download for 1.21.70–1.21.73

I don't know my version

Open Minecraft and look at the bottom-left corner of the main screen — the version is printed there, like v1.26.30.

The game writes a 1. in front; the buttons above leave it off. v1.26.30 in the game is 26.30 here.

Open in MCModsHub Get it on Google Play →

On iPhone or iPad: find it in Addonaut.

Rules System — Minecraft Bedrock addon, screenshot 1

DESCRIPTION:

Create your own world, your own rules. This script-based addon for Minecraft Bedrock lets you, the user, fully define how players behave in your world.

EXPERIMENTAL REQUIRE:

HOW TO WORK?

You can customize this rules and title scripts/onjoin/index.js

Edit here for customize but one condition don't change the script or might Not work for you.

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Quick facts

Edition: Minecraft Bedrock
File type: .mcpack or .mcaddon
Minecraft versions listed: 1.21.90, 1.21.73, 1.21.72
How to install: Download the .mcpack or .mcaddon file. → Open it — Minecraft imports it. → In your world: Behavior Packs → Available → Activate, then the same under Resource Packs.
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 Bedrock addons & mods walks through it step by step.

File checked by MCModsHub

Save it as Rules system v1.1.mcaddon before opening — it downloads as .mcpack, but it is a .mcaddon pack
Manifest requires Minecraft 1.21.70 or newer
Needs Beta APIs switched on in the world settings
Complete pack — everything it depends on is inside the file
Download size: 46 KB
Download link checked 6 Oct 2026 — working

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

Explore more

All Addons for Bedrock All Minecraft Bedrock mods Bedrock mods for 1.21