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How to install "The Harpy Express: Extended"

Extended version of "The Last Voyage of the Harpy Express" modpack

Author

Rezelyn

Downloads

30.4K

Last Updated

Mar 23, 2026

License

LicenseRef-All-Rights-Reserved

Mod Loaders

Fabric

Minecraft Versions

1.21.1

Quick Install ID

#the-harpy-express-extended

Install The Harpy Express: Extended in GDLauncher

The Harpy Express: Extended runs on Fabric. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that The Harpy Express: Extended supports (1.21.1 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #the-harpy-express-extended, find The Harpy Express: Extended in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what The Harpy Express: Extended supports. As of the latest release, 1.21.1 are supported. The Harpy Express: Extended only runs on Fabric; 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 The Harpy Express: Extended free?

Yes. The Harpy Express: Extended is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does The Harpy Express: Extended support?

The Harpy Express: Extended supports Minecraft 1.21.1. GDLauncher will automatically pick a compatible version when you install it.

Does The Harpy Express: Extended require Forge or Fabric?

The Harpy Express: Extended requires Fabric. GDLauncher will install the correct loader automatically when you create an instance.

How do I install The Harpy Express: Extended?

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

Who made The Harpy Express: Extended?

The Harpy Express: Extended is made by Rezelyn. The full project lives on Modrinth (https://modrinth.com/modpack/the-harpy-express-extended).

Need help?

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

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