Neoforge Mods for Minecraft Java
Browse 23 free Neoforge mods for Minecraft Java — popular picks include Ad Astra: Planets+, Create Cosmonautics, TLOTD.
Step by step: How to install Minecraft Java mods & modpacks
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Ad Astra: Planets+
Adds more planets moons and star systems to explore in Ad Astra!
Create Cosmonautics
Fulfill your childhood dream by exploring space!
TLOTD
Explore the ancient times, when dinosaurs ruled the earth, dig deep into the earth to find more valuables or adventure into the unknown depths of space! The sky is the limit!
galactic create
A massive Create addon introducing oxygen mechanics, custom planets, inter-dimensional spacecraft, alien mobs, and procedural space structures.
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.
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

Interstellar: Galaxy
Travel throughout the galaxy
Stellar Depths
Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
headspace.
Add a unique blend of pocket dimension gameplay and mental health metrics to your Minecraft world!
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
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
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).
MagicFactory
Mod adding a new liminal space
Interstellar Redstone Exploration Mod (1.21.1, 1.20.1)
Interstellar Redstone Exploration Mod extends Create with custom spacecraft and interplanetary travel. You can build functional rockets using contraption mechanics, blast off into orbit, and land on destinations like the Moon, Mars, and Venus. The mod brings alien wildlife, new materials like titanium, and colored space suits for harsh planetary atmospheres. Features: Build custom rockets […]
Astral Horizon Engine Mod (1.21.1) – Build Custom Rockets and Colonize Alien
Astral Horizon Engine Mod brings modular rockets, customizable star systems, and deep space exploration to Minecraft. Players can construct custom spacecraft, build orbital stations, and travel between distant worlds. The mod adds asteroid mining, gas harvesting, and planetary terraforming mechanics. You can scan the skies using ground observatories to find new celestial bodies and analyze […]
Cosmic Rift Evolution Mod (26.1.2, 1.20.1) – Pilot Giant Combat Mechs
Cosmic Rift Evolution Mod brings giant combat mechs, dangerous bosses, and new dimensions to your world. It challenges players to craft stronger armor and upgraded tools to survive against corrupt robotic enemies. You can climb inside massive robots to pilot them in combat, explore uncharted biomes, and face off against powerful foes across new realms. […]
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]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.