Neoforge Mods for Minecraft 1.21
Browse 104 free Neoforge mods for Minecraft 1.21 — popular picks include Terceira Guerra Mundial BR, Planet Craft, Space Explore.
Updated daily
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.
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.
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.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
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!
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).
Space Junk
My very first mod, testing out all the features of the tool MCreator.
Scarab2233s End Hut
This mod adds a little end hut that will give you gun powder for rockets and make the end not so plane without changing the game completely
MagicFactory
Mod adding a new liminal space
Alienated
Adds a whole new planet to explore!
Stargate Journey Mod (1.21.1, 1.20.1) – New Interplanetary Portals
Stargate Journey Mod introduces a variety of new structures, blocks, and most importantly, Stargates into Minecraft. Stargates are special portal-like devices that can let a player travel between dimensions. Unlike the vanilla portals, Stargates cannot be built by the player. One had to go in search of special temple-like structures that hold the secrets to […]
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 […]
Multiverse Mod (1.21.4, 1.20.1) – Portals and Infinite Dimensions
In the vast realm of Minecraft, the quest for exploration and adventure knows no bounds. With the introduction of Multiverse Mod, infinite dimensions with infinite excitement have been added to the game. Features: Rifts Before we dive into the multiverse, we have to understand the concept of rifts. Rifts are small tears in space-time that […]
Unbound Adventures Into the Unknown
Unbound Adventures: Into the Unknown blends exploration, tech, magic, and space travel. Build with Create, cast spells with Ars Nouveau, and manage your loot with powerful storage mods.
KingCraft [FORGE]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.
Star Wars RPG - Star Wars & Stellaris
Experience Star Wars in Minecraft with iconic characters, powerful bosses, legendary planets, unique structures, and an epic adventure across the galaxy.
AstroworldSMP Official Pack
The official modpack of Galaxystylix's AstroworldSMP modded server
Better Elytra Boost
Adds a new item for Elytra boosting, serving as a replacement for rockets.
Capital Industries Server
A fast, multiplayer-focused Create mod-pack built for massive automation, optimized performance, nuclear power scaling, and expanded exploration across planets.
Big Bang
Big Bang is a space exploration mod for Minecraft. Travel through space, discover new planets, and experience galactic-themed content inspired by classic space mods like Galacticraft.
JustSpace
A mod that adds what it is called. Just space. A new space dimension with mysteries to reveal and lots of asteroids to mine.
Steffen's MagiTech Mix
modpack with magic, tech, planets and portals.
Attack on Villagers
This is the Modpack for The Rocket SMP join the discord for support and play.
Voidscape - To space!
Explore the void between the planets.
Project EGG: Echoes Of The Void
Dimensional Sci-fi horror and survival wrapped in a story-rich journey where your greatest ally might be compromised. Made by SpaceEgg on YouTube.