Install OneBlock 1.21.11 (Mounts of Mayhem) in GDLauncher
- Open GDLauncher and pick (or create) the instance you want to add OneBlock 1.21.11 (Mounts of Mayhem) to.
- Open the Addons tab and click Add Addons.
- Paste the Quick Install ID
#oneblock-reborn, select OneBlock 1.21.11 (Mounts of Mayhem), and click Download. GDLauncher handles dependencies and version matching automatically. - Hit Play and you're done.
Before you install
Make sure your Minecraft version matches what OneBlock 1.21.11 (Mounts of Mayhem) supports. As of the latest release, 1.21.11, 1.20.4, 1.19.3 are supported. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.
Frequently Asked Questions
Is OneBlock 1.21.11 (Mounts of Mayhem) free?
Yes. OneBlock 1.21.11 (Mounts of Mayhem) is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does OneBlock 1.21.11 (Mounts of Mayhem) support?
OneBlock 1.21.11 (Mounts of Mayhem) supports Minecraft 1.21.11, 1.20.4, 1.19.3, 1.18.2, 1.17.1. GDLauncher will automatically pick a compatible version when you install it.
Does OneBlock 1.21.11 (Mounts of Mayhem) require Forge or Fabric?
Check the CurseForge page for OneBlock 1.21.11 (Mounts of Mayhem) to see which mod loader it supports. GDLauncher will install the correct loader automatically once you pick the addon.
How do I install OneBlock 1.21.11 (Mounts of Mayhem)?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #oneblock-reborn. GDLauncher handles dependencies and the right Minecraft version automatically.
Who made OneBlock 1.21.11 (Mounts of Mayhem)?
OneBlock 1.21.11 (Mounts of Mayhem) is made by Gamerz_Riot. The full project lives on CurseForge (https://www.curseforge.com/minecraft/worlds/oneblock-reborn).
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.