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GameRule Manager Mod for Minecraft 1.20.1, 26.1.2

Enhance controls for gamerules

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Updated 18.10.2026

GameRule Manager

This mod provide new ways to control gamerules.

Features

  • Change default gamerule values. (Via config)
  • Lock specific gamerule. (Via config)
  • Set gamerule standalone for each dimension. (Via command)

How to use

Config

There are 2 config files

Global config

Config file is at .minecraft/config/gamerule_manager/default.json. If this file is not existed, create it. Example:

{ //Apply to all dimension "default": { "doDaylightCycle": false, "doMobSpawning": { "value": false, //Lock key is optional "lock": true }, "doTraderSpawning": { "value": false, "lock": false } }, "difficulty": "easy" }

Dimension specific config

Config file is at .minecraft/config/gamerule_manager/specific.json. If this file is not existed, create it. Example:

{ //Dimension id, NOTE: You need to use "/gamerulemanager" to split out first to apply "minecraft:overworld": { "gamerules": { "keepInventory": { "value": true, "lock": true } }, "difficulty": { "value": "hard", "lock": true } } }

Command

/gamerulemanager <create/remove/list>: Used to control whether specific dimension use standalone gamerules.

Once you split out, you can join that dimension and use /gamerule and /difficulty to change gamerule and difficulty only for that dimension.

How to install GameRule Manager

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.20–26.1.2 on Fabric, Forge or NeoForge automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric, Forge or NeoForge

    The loader must match the game version of the mod file, for example Minecraft 26.1.2. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file gamerule_manager-2.0-beta.3-26.1.2-universal.jar (51 KB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: GameRule Manager should be in the list.

Versions

With dependencies

MinecraftLoaderFileDateActions
26.1Fabric, NeoForgeGameRule Manager 2.0-beta.3 for 26.1.2 Universal50.9 KB
1.21.8NeoForgeGameRule Manager 2.0-beta.3 for 1.21.10 Neoforge54 KB
1.20.1ForgeGameRule Manager 2.0-beta.3 for 1.20.1 Forge188 KB
1.21.8NeoForgethe_ruler-1.3.1-1.21.4-neoforge.jar22.6 KB
1.21.5Fabricthe_ruler-1.3.1-1.21.4-fabric.jar23.8 KB
1.20.1NeoForge, Forgethe_ruler-1.3-1.20.1-forge.jar22.5 KB

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