Data Packs for Minecraft Java
Browse 264 free data packs for Minecraft Java — popular picks include HyperLeash, MC: Zombified, Craft Spawner.
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HyperLeash
Leash mobs to fireworks! Leash mobs to each other!
MC: Zombified
MC: Zombified turns your Minecraft world into a zombie apocalypse! Only zombies will spawn, even in the Nether, replacing all other hostile mobs.
Craft Spawner
Adds a crafting recipe for the spawner
Shadow & SoulSilver Lugia Addon
I made a Shadow Lugia addon for Cobblemon. Use this as a data and resource pack to amplify your experience!
Logical IFrames
Reinvents damage invulnerability (AKA red flashing) to be more threatening and challenging.
Cave World Remastered.
Brings back the Old Cave World type but Better and More Improved.
Moar TNT
Moar TNT adds loads of new creative, crazy, dangerous new TNT to the game. Blow up your friends, mine for diamonds, or flip mobs upside down. So much TNT, with so much potential for fun!
Pastamon [Cobblemon]
a Cobblemon Addon that adds pokemon from various creepypasta's to the game
Custom Breed Cooldown
Change the breed cooldown for mobs and villagers!
Double Shulker Shell Drops
Makes shulkers always drop atleast 2 shulker shells upon death so that you aren't left with an odd number of shells.
Classic Mechanics
Adds a variety of configurable features from older minecraft versions!
1 Hit
Allows creative players to kill mobs with one hit.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Minecraft Chaos Datapack
Inspired by the GTA Chaos Mod. There are 190 different effects possible in this challenge datapack!
Adult Zombies Only
Replace all baby zombies and similar with adults! Toggleable
Vaults of Abandon
Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.
Better, Faster Happy Ghasts
Configurable speeds for the Happy Ghast, perfect for survival servers!
Moar Bosses
Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.
Mob Spawner Recipe
now you can craft your own mob spawner
Nasir's Mobs Plus
Adds more mobs based on the biome! and maybe some more evil ones...

Ashen's Better AI
Improves mob ai, by adding mob jumping, a foodchain, and more!
NightTime
A horror and challenge datapack made for only the bravest to try.
Killer Bunny Name Tag
Naming a rabbit "The Killer Bunny" will turn it into a killer bunny
Craft Trial Spawner
Adds a crafting recipe for Trial Spawners
SKT's Iron Golem Drop Block Of Iron
iron golem drop 1-4 block of iron when die
Bottled End Cities
End Cities but they are remade to be in bottles.
Lunar Events
Lunar Events adds naturally occurring events that can occur during the night such as blood moons. . .
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
Wardens Only
Hostile mobs are replaced with the warden, with exceptions for piglins, enderman, blaze, and the ender dragon, and the addition of Zombified Piglins.
Beast Tamer
Makes all mobs passive
Wrong Yellow
A vanilla datapack about places Minecraft was never supposed to generate.
Minecraft Robot Manhunt (Fan-made)
This datapack is a fanmade of the famous Kyelong's AI Hunter datapack. If you like doing manhunts but can't get your friends on then this datapack will suit you perfectly! This datapack tries to imitate the same bahavior as a human.
Martini´s Treasure and Farming
This Mod/Datapack adds somes additional things the way, you mine your Items. It is not overly op to get started in your World.
Martini´s Cutting and Crafting
This Mod/Datapack adds almost 700 additional cutting and crafting recipes which are more or less nice to have in Minecraft. Some features should be a part of Minecraft itself, but see for yourself.
OP Warden Loot
Adds loot obtained by killing the Warden