Data Packs for Minecraft Java
Browse 18 free data packs for Minecraft Java — popular picks include The Expansion, Ad Astra: Planets+ Add-ons, GalaxyByne's Mailboxes.
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The Expansion
Explore Space In Minecraft! Now with Spacesuits!
Ad Astra: Planets+ Add-ons
Official add-ons for Planets+! Includes mod compatibilities.
GalaxyByne's Mailboxes
A simple to use, multiplayer friendly mailbox datapack using addresses as recipients.
Cobblemon No Man's Craft Compatibility Patch
Fixes Cobblemon not spawning and asphyxiating on alien planets
Space Race
Space Race is a Datapack that allows you to build your OWN rocket and explore the solar system!
Ender Chest Extra Space
This datapack adds space at the ender chest for adding pages
Way Beyond The Milk
Add chaos to Cosmic Horizons: Storms, Oxygen, Improved Worldgen & more!
Ben 10 Dynamite Datapack!
Have you ever dreamed of getting a space device that would transform you into a scary alien? Then this data pack is for you.

Rescue Rocket
A rocket to rescue you from danger!
Space Marine Weaponry
An addon for Vic's Point Blank that adds weaponry used by Warhammer 40K Space Marines!
Darwin IV Ad Astra integration
It adds the planet Darwin IV from the mod Darwin IV Mod by SavaAlienFish as a planet in the mod Ad Astra.
Spacecraft Datapack
a datapack that adds space and almost everything about it to minecraft
PSball's Cosmos 1 (AU) to 1,000 (Blocks) Cosmic Horizons Addon
The datapack and resource pack for my addon. It adds many real objects, like the moons in the solar system with a radius over 100 kilometers, as well as rogue planets, with plans to add more exoplanets in the future.
Point Blank — Frontline Combat Launchers
Point Blank addon that adds bunch of different rocket launchers
Alm's Oil Additions and Compat Data Pack (1.20.1) – Turn Any Oil Into Machine
Alm's Oil Additions and Compat Data Pack adds cross-mod fuel recipes for Tech Reborn. It links the distillation tower with other tech mods so you can mix and match different types of oil and fuel. This data pack saves you time by letting you turn seed oil or space oil into the regular oil you […]
Ad Astra Extra fix
Finally we can go to the Ad Astra Extra planets
Creating space Mekanism compatibility
Adds compatibility between Creating space and Mekanism
Northstar Redux - Crowns Compat
Provides spawn rules for the four primary planets for Crowns Uranium, making space reactors viable and more purpose to mine in space.