Neoforge Mods for Minecraft Java
Browse 75 free Neoforge mods for Minecraft Java — popular picks include Create: Northstar - Redux Unhardcoded, Planetoids Skyblock, Sniffer period.
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Create: Northstar - Redux Unhardcoded
Northstar Redux Unhardcoded: a transitional hardcode-removal fork unifying planet systems in a shared registry, keeping legacy compatibility, and offering Java/KubeJS extension paths until upstream gets data-driven planets.
Planetoids Skyblock
Skyblock world generation, but with resource rich planetoids.
Sniffer period
The mod adds the old days when the great lizards of the “sniffing period” still dominated the earth. While Sniffers were in a very large population on the planet
My Secret Base
Adds a unique Secret Base dimension for each player! Teleport far away, generate a platform, build freely, expand your space, and share access with friends! Void safety included.
Compressed Box
Create Compressed Boxes to gain space in your base
Create: Orrery
A way to add northstar planets using datapacks into the game!
Space Explorers
Space Explorers is a Mod where you try to find a way back home
Void Dimension: Pocket Space
Adds a blank void dimension with levitation and chunk loading.

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!
Orbital Horizons
A new and unique space mod
SolarSpace
SolarSpace Is space exploration mod based galacticraft but more planet can you explore.
Chunkit
A world pre-generator featuring with real-time disk space estimation.
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
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.
Space Explore
This mod allows you to explore an entire galaxy of unique planets
Planet Craft
A mod to create a universe with Planets, Suns and Black Holes all customizable to your liking.
Liminality. (A liminal space mod)
A minecraft mod heavily inspired by liminal spaces, with custom ambience, dimensions, blocks, and items.
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
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.
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
msp
Realistic orbital physics, rocket engineering, and space program progression for Minecraft. Build Create contraptions, launch them with real gravity/drag/re-entry, do science, unlock tech via FTB Quests.

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
This mod is super low quality. Install only if curious what it is.
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
Mars Renaissance
The Mars Planet add to Minecraft!
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 […]
KingCraft [FORGE]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.
Better Elytra Boost
Adds a new item for Elytra boosting, serving as a replacement for rockets.