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How to install "DirtTW's Basement Optimize Pack"

A modpack that aims to optimize Minecraft by using mostly client-side mods while maintaining the vanilla experience.

Author

dirtTW

Downloads

11.5K

Last Updated

Oct 4, 2025

License

MIT

Mod Loaders

Fabric

Minecraft Versions

1.21.8 1.20.6 1.19.4
lightweight multiplayer optimization

Quick Install ID

#dbop

Install DirtTW's Basement Optimize Pack in GDLauncher

DirtTW's Basement Optimize Pack 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 DirtTW's Basement Optimize Pack supports (1.21.8, 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 #dbop, find DirtTW's Basement Optimize Pack 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 DirtTW's Basement Optimize Pack supports. As of the latest release, 1.21.8, 1.20.6, 1.19.4 are supported. DirtTW's Basement Optimize Pack 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 DirtTW's Basement Optimize Pack free?

Yes. DirtTW's Basement Optimize Pack is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does DirtTW's Basement Optimize Pack support?

DirtTW's Basement Optimize Pack supports Minecraft 1.21.8, 1.20.6, 1.19.4. GDLauncher will automatically pick a compatible version when you install it.

Does DirtTW's Basement Optimize Pack require Forge or Fabric?

DirtTW's Basement Optimize Pack requires Fabric. GDLauncher will install the correct loader automatically when you create an instance.

How do I install DirtTW's Basement Optimize Pack?

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

Who made DirtTW's Basement Optimize Pack?

DirtTW's Basement Optimize Pack is made by dirtTW. The full project lives on Modrinth (https://modrinth.com/modpack/dbop).

Need help?

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

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