Data Packs for Minecraft Java
Browse 654 free data packs for Minecraft Java — popular picks include SwapBallsReborn [Cobblemon], OneBlock 1.21.11 (Mounts of Mayhem), Simple Day Display.
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SwapBallsReborn [Cobblemon]
SwapBallsReborn let's you swap your Pokémon's catch ball in survival mode.
OneBlock 1.21.11 (Mounts of Mayhem)
Since 2022 | OneBlock is a adventure map with alot of Fun. | 1.21.11 | Mounts of Mayhem is Live! | [Continuation of IJAMinecraft's Oneblock!] | {This is a Datapack of OneBlock Reborn Map.}
Simple Day Display
A simple display above your hotbar that will tell you the current world day, useful for Hardcore world and 100 days challenges
Legendary Encounters (Cobblemon)
Obtain Legendary Pokemon in Survival!
Better Days Display
Track up to 10,000 survival days with a visual day counter, unique milestone rewards, and surprises on special days in your Minecraft world.
Advancements+
This lightweight advancement pack adds over 450 advancements to your world. All of them are able to be done in Hardcore, with more being added in each update! Enjoy!
Simply OneBlock (26.2 Sulfur Caves Included)
Just break the block, see where it takes you !
Name Formatting Station Datapack
Adds the ability for players to customize item names in survival.
Armor Statues Datapack
Adds a unique book that allows you to alter the properties of Armor Stands in survival
Mini Blocks
550+ Mini Blocks in survival for both decoration and sound design!
OmniCut: Better Wood, Copper, and Stone Cutter
OmniCut is a quality of life datapack: the Stonecutter cuts wood logs to wood items, cut oxidized copper doors, convert stone blocks back and forth, and recycle wood items. Prices are set in the spirit of the vanilla game with minor discounts, if any.
Vanilla Stoneblock
Datapack to create the Stoneblock challenge with a Vanilla twist. Based on the FeedTheBeast Mod Pack.

BlazeandCave's Advancements Pack Hardcore Version
Changes BlazeandCave's Advancements Pack to be compatible with Hardcore mode
Enchantments Expansion
New vanilla-friendly enchantments that enhance combat, mining, movement and utility, bringing new ways to explore, fight and progress in survival!
BlazeandCave's Advancement Pack Enhanced Discoveries
"Enhanced discoveries" is an unofficial add-on for Blazeandcave's Advancements Pack that adds over 300 new advancements. Now with Hardcore Support!
Hardcore Revive+
A highly configurable data pack that lets you revive your friends in Hardcore mode.
Better Item Frames
Easily turn your item frames invisible or visible in Survival! You can also lock your item frames rotation to avoid miss-click issues.
Survival Islands
Datapack that creates Survival Island worlds.
LuckyBlock Island
幸运方块空岛,单人通关&多人对战(最多 5 支队伍) —— Lucky block refresh in skyblock, single player & multi player(PVP) up to 5 islands
Void Worldgen
A worldgen data pack that infinitely generates a void world with a biome map and structure bounding boxes that match a normal world with the same seed. Great for playing SkyBlock!
Cobblemon Swap Pokeball
A datapack addon for Cobblemon that allows the current ball of a capture cobblemon to be changed in survival mode.
Luish's Guns
Survival-Friendly Vanilla-Like Guns with animations
Better Furnace
BetterFurnace introduces seven new types of furnaces with varying cooking speeds, wihout Resource Pack ! They're getting harder and harder to get and fit perfectly with your minecraft survival.
Jujutsu Craftsen
adds jjk/jujutsu kaisen charecters to minecraft, 100% survival friendly, features a multitude of cursed techniques and an original take on cursed tools

True Survival
True Survival Mode is a comprehensive set of 1.21+ datapack features that aim to overhaul Minecraft's survival mode. It tackles difficulty and progression through means that don't disrupt Minecraft's regular gameplay, while also providing new adventures!
Mount & Ride
Mount and ride more mobs in survival.
Redstone Beacon Base [PurpurPack]
Allows you to use redstone blocks as a block in a beacon base
Enhanced Mobs
Makes mobs stronger, tougher, and follow you from over 100 blocks away, perfect for hardcore challenges!
Survival Weather Control
Allows you to summon a thunderstorm using the classic altar used to spawn herobrine!
Hardcore Revive+ [OLD VERSION]
An add-on to your world that allows you to revive your friends in Hardcore Mode. Discontinued -- Use the new Hardcore Revive+ instead.
Sky Blox
The Sky Blox datapack is a brand new way to play Skyblock. It features a custom advancement tree that guides you through the content, as well as loads of new gameplay mechanics to allow you to obtain and automate nearly any material in the game.
Copper Chunk Loader
Chunk Loader data pack friendly for vanilla survival. More uses for copper!
Voidblock: Mod/Portable Version
The original Skyblock has been modernized and updated to the latest versions of Minecraft...
Fetchr Bingo
A survival Minecraft item Bingo game - Try to get items quickly starting in a fresh world
Half Heart Hardcore
Half Heart Hardcore (or 1HP Challenge, alternatively) is a multiplayer challenge datapack, aimed at making the game almost impossible.
Survival Freecam
This Data Pack Allows You To Go Into Spectator Mode In Survival But When You Go Back Into Survival You'll Be Right Where You First Became A Spectator Meaning You Can't Just Go Into Spectator And Travel 500 Blocks And Stay There. Basically a Freecam.