Minecraft Java 1.21 Mods
Browse 61 free mods for Minecraft Java 1.21 — popular picks include Storage Delight, Potion Bundles, Cosmic Frontiers.
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Storage Delight
Extra furniture for Farmer's Delight that makes your kitchen or any space look better.
Potion Bundles
Three potions can now be bound into bundles, to save inventory space.
Cosmic Frontiers
A journey lost through space and time. A Gregtech Modpack focused on sci-fi and arcane themes.
Create rockets
Super powerful rockets that are both aesthetically pleasing and based of real rockets! Really good for gaining speed in Create aeronautics!
Ars Astrologique
An Ars Nouveau add-on themed around astronomy and space magic
Galaxy Under Chaos - A Star Wars Experience
"Galaxy Under Chaos" is a Minecraft Star Wars mod where players explore a galaxy in turmoil. Discover unique planets and powerful technology. Customize lightsabers, face new mobs, and navigate an ever-changing universe full of chaos and mystery.
Digital Home: Private Dimension
A private space in a Pocket Dimension
Condensed ink (Iron's Spells)
Condense the inks from Iron's Spells to save space and keep your chests organized
Hover/Rocket Boots
This Mod Simply Add Hover Boots To Minecraft
Multiversal Misadventures - The Blockhead's Guide to the Galaxy
Traverse Infinite Dimensions to find a way to escape back to "normal" Minecraft in a truly unique experience!
Project Conquest
A action pack rpg game with multi player and over 3 new worlds plus space based on a show called invincible with many powers and bosses plus npcs where you have to destroy worlds or bring peace and fight many foes and complete the story line
Galaxy Sky
Galaxy Sky is a space-themed Skyblock modpack where the player starts on a small floating platform in the void with almost no resources.
Planet Helios
Modpack for Planet Helios Server. Optional for Playing Planet Helios Network's Celestia Game Mode!
Auto Rocket+
This project has been archived due to low downloads and no motivation to continue updating. Auto Rocket+ automatically equips fireworks while flying with an Elytra and restores your previous offhand item when you land. Toggle it anytime with R.
Rockets & Dragons
For our good friend BrianAllenMW who passed away in Aug 2025
The Ultimate Interplanetary Project
A different approach to the Interplanetary Project pack that combines tech, magic and exploration with space and astral bodies as destination options.
STAR WARS: Project The Force {SWPTF}
A project that will completely immerse you in a Galaxy far, far away;)
Time Vortex (TARDIS)
Embark on a journey through time and space with this survival-focused TARDIS mod. Designed for NeoForge 1.21.1, it offers a balanced and immersive approach to piloting your very own space-time machine.
horror things
its a horror game with the create mod and space how will this go
Createland
A modpack that combines technology, magic, and endless creativity! Automate your world with steam power, explore space with custom-built rockets, rely on high-tech, and dive into the fascinating world of magic. 🚀✨
Planet magic
Explore new worlds with this mode
Interstellar: Galaxy
Travel throughout the galaxy
Nexicon
Space Adventure Awaits you Within our New universe come and explore with us
Rancor's Outer rim exploration
The official Pack for rancor starsim to explore various dimensions and planets through rockets, and the stargate
Astral Arise RP
A Space meets fantasy modpack for the FIUTIU smp.
Unorthodox Space Travel
A ModPack About Twisting Reality in the most bizarre ways
Stellar Roots
Stellar Roots is a complete 1.21.1 modpack for everyone! Explore the world or let the quests inspire you through Tech, Magic, Farming or even Space!
Stellaria
A mod dedicated to fighting enemies in a space-like environment!
MysticRocket
special infinite-use firework rockets designed for Elytra flight. Craft these glowing, enchanted rockets in four levels using rare materials
Planet 8-bit Enhanced Vanilla Pack
This Modpack was made for the Minecraft Server, Planet 8-bit. Anyone looking for the criteria this pack covers is welcome to use it!
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
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!
AeroBoots
AeroBoots is an advanced jetpack boots plugin for Minecraft 1.21.5 that allows players to fly in a controlled and epic way. With optimized visual effects, realistic rocket sounds, and a strict system without fall damage protection
CPWN Pack 2
The latest modpack for the CPWN server community, by Planet One.
Mixed Stacks
Combine similar items to save inventory space.
Simple Space Mod
Extends world build limit and add damage on height above 500 blocks and without water breathing effect