Minecraft Java 1.21 Mods
Browse 146 free mods for Minecraft Java 1.21 — popular picks include Create: Orrery, CosmicWilds, Create Beyond Horizons.
Updated daily
Create: Orrery
A way to add northstar planets using datapacks into the game!
CosmicWilds
Hello! This modpack is for the CosmicWilds Server! It contains lots of exciting adventure and exploration mods such as Biomes o plenty, Cobblemon, When Dungeons Arise, Adventure Z and many more! Feel free to join the discord too!
Create Beyond Horizons
Create new horizons from the ground to space.
Interstellar: Galaxy
Travel throughout the galaxy
Crossfate Adventures (Now for NeoForge!)
Embark on a journey to discover the truth of the Overworld, and its connections to other worlds! Travel to other dimensions, to space, interact with new fauna and flora, and find new structures!
Rancor's Outer rim exploration
The official Pack for rancor starsim to explore various dimensions and planets through rockets, and the stargate
Sky Continents
Sky Continents V11 is a datapack add-on for Continents by Stardust Labs that turns oceans into open void airspace for Create Aeronautics-style sky travel.
DoomsDay Land & Space
space and tech pack to fill all players needs for a good world
Advanced Space and Beyond
A modpack that is based on Space and Create Mod and world gen
CobbleFrontier
CobbleFrontier is a Create + Cobblemon adventure pack with massive worldgen, Pokémon, trains, aircraft, colonies, dungeons, guns, seasons, realistic weather, and space exploration.
Orbital Horizons
A new and unique space mod
SolarSpace
SolarSpace Is space exploration mod based galacticraft but more planet can you explore.
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
Space Update
dannytaylor's April Fools' 2025 "Update"
Mega World Height
Mega World Height expands the Overworld build and generation height, giving you much more vertical space for mining, building, exploration, and custom world generation. By default, Minecraft’s Overworld height is limited to a smalle
Stellar Depths
Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.
浩瀚宇宙（Infinite Space）
这是一个浩瀚的宇宙，有许多维度，绿钻石红宝石青钻石黑钻石等。This is a vast universe with many dimensions, including green diamonds, red rubies, blue diamonds, and black diamonds.
Astro-Mons
A space-themed Cobblemon modpack along with a dedicated server. This pack brings together a colorful adventure with the inclusion of many new biomes and companion cobblemon past the base mod.
Terceira Guerra Mundial BR
Embark on a tech and automation saga with an expert-style progression through Ages, evolving from rustic engineering to interplanetary exploration.
Carpet Sky Additions Miller's Planet
Carpet extension providing a world like Miller's Planet from movie Interstellar, with new ways to obtain resources.
Planet Craft
A mod to create a universe with Planets, Suns and Black Holes all customizable to your liking.
Space Explore
This mod allows you to explore an entire galaxy of unique planets
Bordecor 's GalaxyExplorer
Embark on an interstellar adventure exploring distant galaxies, planets, and cosmic wonders.
Altar of the Sunne & Ultra Space by Ritsen
This datapack adds the Altar of the Sunne, Ultra Space and ways to obtain all Ultra Beasts, Necrozma and the Cosmog line to Cobblemon.
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
Liminality. (A liminal space mod)
A minecraft mod heavily inspired by liminal spaces, with custom ambience, dimensions, blocks, and items.
Space's Better Stuff
This mod aims to add many improvements to the game such as an End Update, Deep Dark Update and much much more. The current version of the mod has added new features in the end; the mod is in active development and will continue to receive new features!
Pixelmon: No More Ultra Space
No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.
MOONLIGHTTOPIA
Moonlighttopia is a cosmic adventure featuring new dimensions, rich exploration, and a Pokémon-inspired quest. Join and begin your journey and forge your path in a new universe!
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
Space Mod
Do you hate when you fall thought the void in the end and lose everything? This mod adds a space dimension below the end!
Seal's SMP Forever+
A Vanilla+ modpack centered around adding new things to key features of the vanilla experience while also expanding that experience to different dimensions and planets. adding new bosses for late game content and items.
Mars Renaissance
The Mars Planet add to Minecraft!
Galaxygen
Generate Beautiful Galaxies in Minecraft
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
Planet - Border teleport
Border-teleport mod: teleports entities crossing world borders (±326) to opposite side. Perfect for 1:326 Earth maps. Open-source (remix allowed, but must keep code open).