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Geologica - Worldgen & Subtle Details

Geologica - Worldgen & Subtle Details

DATA PACK
Overworld biomes with natural rocks and sinkholes without adding bloat.
by GaraKrral
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Updated Oct 14, 2026
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🌲 About

Geologica is a lightweight, vanilla-friendly datapack designed to enhance the Overworld terrain in a subtle and natural way! It introduces organic geological features, such as custom surface rock formations and mini sinkholes, without cluttering your game with new blocks, items, or unnecessary bloat.

The main goal isn't to completely overhaul world generation, but to make exploring land biomes feel richer, more varied, and grounded in nature.

📝 Notes & Development

This datapack has also been released as a mod. Across a wide range of versions.

This project is under active development. Features, structure spawns, or balancing values may be updated, tweaked, or expanded in future releases! Keeping regular world backups is always good practice.

🖥 Compatibility

Compatible with world generation mods like Terralith, Tectonic, or Lithosphere (though not fully tested yet).

Geologica v1.1.zip
MC 1.21, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.20.1, 1.20, 1.20.6, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.20.4, 1.20.3, 1.21.2, 1.21.9, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2
Release 2026-08-20 Get
Geologica v1.0.zip
MC 1.21, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.20.1, 1.20, 1.20.6, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.20.4, 1.20.3, 1.21.2, 1.21.9, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2
Release 2026-08-08 Get

Requirements & install

How to use this data pack in Minecraft
Mods needed
None, works in vanilla
Minecraft
1.21.7 – 26.1.2
Install folder
saves/<world>/datapacks

How to install data packs

  1. Download the data pack .zip file (do not extract it).
  2. New world: click Data Packs on the world creation screen and drop the .zip in. Existing world: open .minecraft/saves/<world>/datapacks.
  3. Put the .zip into the datapacks folder of the world (servers: world/datapacks).
  4. Run /reload in game (or rejoin the world) and check it with /datapack list.
Browse more: Data Packs for 26.1.2 All data packs

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