Data Packs for Minecraft Java
Browse 57 free data packs for Minecraft Java — popular picks include Advanced ore generation, Disable Zombie Sieges, Eligius.
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Advanced ore generation
This datapack changes ore generation to improve the progression in minecraft. Better ores now generate deeper than before and all ores have their specific biome where they generate more abundantly.
Disable Zombie Sieges
Disable Zombie Sieges from spawning and messing up your village in all overworld biomes.
Eligius
A datapack to enhance the base End dimension adding entirely new biomes but also small world details, mob variants, additions and features.
The Dark Forest
This datapack replaces vanilla minecrafts adventure based survival with a more difficult base-building based survival
Colorfull Biomes
This datapack adds a collection of colorful biomes, for creative worlds or builders! Applicable with the /fillbiome vanilla command and compatible with world Edit.
CobblemonSuperflat
It's like superflat but the Nether is also flat and biomes can change. Works on the Cobblemon 1.6 snapshots
WWOO Islands Dimension
WWOO Islands Dimension is an addon for William Wythers Overhauled Overworld, which add a new dimension of floating islands, using the WWOO biomes.
Infinity Stones - Eye of Ender recipe
A new Eye of Ender recipe that has one item from every new biome/structure to encourage exploration (crafts all 12 at once)

More Jungle Saplings Redux
Sets jungle sapling drop rate to be the same as other trees
Skyleaf Biomes
A custom world type that has all the biomes and most of the features and structures you’d find in a normal 1.20-1.20.1 world. Created as a custom worldgen option for my new long-term stream series on YouTube
Better Ore Generation
A datapack that revamps stone and ores generation in Minecraft, each stone type ( diorite, calcite, tuff ) and ores can be found in larger quantities in their specific biomes.
Empty World with Structures
Empty world with biomes and structures ! [CHALLENGE]
AWR Bot
Explore new biomes, discover diverse modules, and assemble your own modular robot in Minecraft

GeoCaves
GeoCaves is completely overhauls underground: Ore generation, biome‑specific cave vegetation, and decorative stone variations using only vanilla blocks.
Explorer's Journal
A chat-driven exploration journal. Discover biomes and structures, get notifications, details, toggle a bossbar, view your full journal with /trigger
MineMagic pack
Add 10 new biomes to your world without changing the landscape.
The Nyctocosm Data Pack (1.20.6, 1.20.1) – Magical And Bosses!
The Nyctocosm Data Pack is a data pack that adds new items to Minecraft! This data pack adds the dimension behind the Deep Dark portal. Nyctocosm is a mysterious, frightening new dimension with environmental mechanics and completely custom world generation. With many custom biomes, each with unique atmospheres and properties. Enjoy playing this data pack! […]
[World Generator] Superflat++ World Generator
Superflat world but with normal presets including all biomes.
Explorer's Blend
It integrates many mods (such as End Remastered, Mine Cells, Terralith, Twilight Forest, Marium's Soulslike Weaponry, Spelunkery, Bosses of Mass Destruction and Frostiful) to create a better exploration experience.
Immersive Skyblock
A datapack which creates a Skyblock overworld, nether and end dimension, complete with biomes, empty structure bounding boxes and integrated immersive portals compatibility.
Big Globe Bigger Biomes
This datapack modifies big globe foliage and temperature generation to allow for significantly bigger biomes