Install Oneblock Ultimate in GDLauncher
Oneblock Ultimate runs on NeoForge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.
Install on NeoForge
- Open GDLauncher and create a new instance (the + button on the Library page).
- Pick the NeoForge loader and a Minecraft version that Oneblock Ultimate supports (1.21.1 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#oneblock-ultimate, find Oneblock Ultimate in the results, and hit Download. GDLauncher pulls dependencies automatically. - Hit Play. That's it.
Before you install
Make sure your Minecraft version matches what Oneblock Ultimate supports. As of the latest release, 1.21.1 are supported. Oneblock Ultimate only runs on NeoForge; mods built for other loaders won't work. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.
Frequently Asked Questions
Is Oneblock Ultimate free?
Yes. Oneblock Ultimate is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does Oneblock Ultimate support?
Oneblock Ultimate supports Minecraft 1.21.1. GDLauncher will automatically pick a compatible version when you install it.
Does Oneblock Ultimate require Forge or Fabric?
Oneblock Ultimate requires NeoForge. GDLauncher will install the correct loader automatically when you create an instance.
How do I install Oneblock Ultimate?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #oneblock-ultimate. GDLauncher handles dependencies and the right Minecraft version automatically.
Who made Oneblock Ultimate?
Oneblock Ultimate is made by ItsDoomOne. The full project lives on Modrinth (https://modrinth.com/modpack/oneblock-ultimate).
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.