Minecraft Java 1.21 Mods
Browse 22 free mods for Minecraft Java 1.21 — popular picks include Towers of the Wild Modded, The Expansion, Create Cosmonautics.
Updated daily
Towers of the Wild Modded
Towers of the Wild - added to multiple dimensions and planets + waystone & paragliders
The Expansion
Explore Space In Minecraft! Now with Spacesuits!
Create Cosmonautics
Fulfill your childhood dream by exploring space!
galactic create
A massive Create addon introducing oxygen mechanics, custom planets, inter-dimensional spacecraft, alien mobs, and procedural space structures.
![Rustling Spots: Team Rocket Addon [Cobblemon]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/395199.webp)
Rustling Spots: Team Rocket Addon [Cobblemon]
Adds rare Jessie and James interruptions to Rustling Spots, turning exploration encounters into scalable Team Rocket trainer battles with unique dialogue and rewards.
Interstellar: Galaxy
Travel throughout the galaxy
Create Cosmonautics Expansion
This space mod adds more planets and other space-related content to the game. It gives you new places to explore, along with extra items and features that make the game feel bigger and more fun.
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.
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
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
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.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
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).
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
MagicFactory
Mod adding a new liminal space
Gregicality Rocketry Mod (1.21.1, 1.20.1) – Reach For The Stars
Gregicality Rocketry Mod is a comprehensive addon for GregTech: New Horizons that integrates advanced rocketry and space exploration mechanics. It introduces a suite of high-tech components and systems, allowing players to build and launch custom rockets, explore new celestial bodies, and harness extraterrestrial resources. Features: Design and construct customizable rockets with modular components. Explore new […]
![KingCraft [FORGE]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/417086.webp)
KingCraft [FORGE]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.