# Overview

**Granular Gamerules** adds new [gamerules ](https://minecraft.wiki/w/Game_rule)that let you fine-tune existing settings, primarily by adding 'sub-gamerules' to existing ones such as `mobGriefing`. These rules can be 'deferred' to the parent rule, allowing for compatibility with datapacks, mods or plugins that change gamerules while letting you 'pin' certain features on or off. You can see an overview of all available rules in [Categories](/granular-gamerules/categories/domobspawning.md).

For Dedicated Servers, the mod also adds several fake gamerules in the `/gamerule` command that represent settings in the `server.properties` file. For more information, see [Dedicated Server Options](/granular-gamerules/dedicated-server-options.md).

<figure><img src="/files/DCDS2fzA95VDOUSx09LL" alt=""><figcaption><p>An example of the modified gamerule GUI.</p></figcaption></figure>

## Quickstart

[Make sure you've installed the mod](/granular-gamerules/install-requirements.md).

If creating a new world, you can change the new gamerules in the usual screen, alongside their deferment status.

If in-game, you can use the `/gamerule` command.


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