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Modrinth Modrinth · Data Pack

How to install "Lost Cities Modern Tweaks"

A datapack that applies various tweaks to the default Lost Cities generation using modern Minecraft blocks, adding additional buildings and interior details while keeping the original style.

Author

morriswmz

Downloads

1.6M

Last Updated

Apr 6, 2026

License

MIT

Mod Loaders

Forge NeoForge

Minecraft Versions

1.21.11 1.20.1
adventure datapack worldgen

Quick Install ID

#lost-cities-modern-tweaks

Install Lost Cities Modern Tweaks in GDLauncher

  1. Open GDLauncher and pick (or create) the instance you want to add Lost Cities Modern Tweaks to.
  2. Open the Addons tab and click Add Addons.
  3. Paste the Quick Install ID #lost-cities-modern-tweaks, select Lost Cities Modern Tweaks, and click Download. GDLauncher handles dependencies and version matching automatically.
  4. Hit Play and you're done.

Before you install

Make sure your Minecraft version matches what Lost Cities Modern Tweaks supports. As of the latest release, 1.21.11, 1.20.1 are supported. Lost Cities Modern Tweaks supports multiple loaders (Forge, NeoForge); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Lost Cities Modern Tweaks free?

Yes. Lost Cities Modern Tweaks is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Lost Cities Modern Tweaks support?

Lost Cities Modern Tweaks supports Minecraft 1.21.11, 1.20.1. GDLauncher will automatically pick a compatible version when you install it.

Does Lost Cities Modern Tweaks require Forge or Fabric?

Lost Cities Modern Tweaks supports Forge, NeoForge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Lost Cities Modern Tweaks?

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

Who made Lost Cities Modern Tweaks?

Lost Cities Modern Tweaks is made by morriswmz. The full project lives on Modrinth (https://modrinth.com/datapack/lost-cities-modern-tweaks).

Need help?

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

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