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How to install "Breakneck: Optimized"

1.21.11 – Level Up Your Vanilla Client with Increased FPS, Shaders, Quality of Life Enhancements, and Visual Improvements.

Author

HaXr

Downloads

55.0K

Last Updated

Mar 14, 2026

License

CC-BY-4.0

Mod Loaders

Fabric

Minecraft Versions

1.21.11 1.20.6 1.19.4
lightweight multiplayer optimization

Quick Install ID

#breakneck

Install Breakneck: Optimized in GDLauncher

Breakneck: Optimized 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 Breakneck: Optimized supports (1.21.11, 1.20.6, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #breakneck, find Breakneck: Optimized 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 Breakneck: Optimized supports. As of the latest release, 1.21.11, 1.20.6, 1.19.4 are supported. Breakneck: Optimized 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 Breakneck: Optimized free?

Yes. Breakneck: Optimized is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Breakneck: Optimized support?

Breakneck: Optimized supports Minecraft 1.21.11, 1.20.6, 1.19.4. GDLauncher will automatically pick a compatible version when you install it.

Does Breakneck: Optimized require Forge or Fabric?

Breakneck: Optimized requires Fabric. GDLauncher will install the correct loader automatically when you create an instance.

How do I install Breakneck: Optimized?

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

Who made Breakneck: Optimized?

Breakneck: Optimized is made by HaXr. The full project lives on Modrinth (https://modrinth.com/modpack/breakneck).

Need help?

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

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