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How to install "Oneblock"

A "Oneblock" is a variant of the popular game Minecraft. In this mode, players start on a single floating block in the void.

Author

Diesse

Downloads

65.3K

Last Updated

Oct 12, 2025

License

CC0-1.0

Mod Loaders

Fabric Forge NeoForge Quilt

Minecraft Versions

1.21.10
adventure datapack game-mechanics minigame

Quick Install ID

#oneblock-data-pack

Install Oneblock in GDLauncher

  1. Open GDLauncher and pick (or create) the instance you want to add Oneblock to.
  2. Open the Addons tab and click Add Addons.
  3. Paste the Quick Install ID #oneblock-data-pack, select Oneblock, and click Download. GDLauncher handles dependencies and version matching automatically.
  4. Hit Play and you're done.

Before you install

Make sure your Minecraft version matches what Oneblock supports. As of the latest release, 1.21.10 are supported. Oneblock supports multiple loaders (Fabric, Forge, NeoForge, Quilt); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Oneblock free?

Yes. Oneblock is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Oneblock support?

Oneblock supports Minecraft 1.21.10. GDLauncher will automatically pick a compatible version when you install it.

Does Oneblock require Forge or Fabric?

Oneblock supports Fabric, Forge, NeoForge, Quilt. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Oneblock?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #oneblock-data-pack. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made Oneblock?

Oneblock is made by Diesse. The full project lives on Modrinth (https://modrinth.com/datapack/oneblock-data-pack).

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

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