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Forge Mods for Minecraft 1.21

Browse 31 free Forge mods for Minecraft 1.21 — popular picks include Create : Creating Space, Gregicality Rocketry, Create: Northstar - Redux.

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31 mods

1.20.1forge

Create : Creating Space

Create: Creating Space is a mod that allow you to create rocket using contraptions and go to other planets.

1.1Mdownloads

1.20.1forge

Gregicality Rocketry

Space addon for GTCEu Modern

509kdownloads

1.21.1neoforge

Create: Northstar - Redux

Space exploration addon for Create.

264kdownloads

1.21.1neoforge

Planeta Vegetta (Unofficial)

All the mods from the new Vegetta777 series!

162kdownloads

1.21.1neoforge

Ad Astra: Per Spatium

An addon for Ad Astra, Stellaris improving space exploration by adding new structures.

131kdownloads

1.21.1neoforge

Cosmos Infinia | Space Mod

A Technological Space Exploration Mod With Many Additions From Tools, Suits, Biomes, Ores And Much More

67kdownloads

1.21.1neoforge

Alien AGF Series

A modpack that brings technology from Mekanism, space travel from Ad Astra, and Xenomorphs from Gigeresque to create a grand suspense filled adventure! Help AGF (Anomaly Glitch Foundation) find the xenomorphs to either contain them or irradicate them.

23kdownloads

1.21.1neoforge

Thormen 1.21.1 - Mekanism - Spaceships - ICBMs - Force Fields - Nuclear Science - Voltz successor - Modpack server running

Voltz as it should have been. Yes, it has ICBM's, and you bet - lots more

17kdownloads

1.20.1forge

The Pocketaverse - Pocket dimensions

This mod adds a way to create and go to pocket dimensions to provide more space ,add some extra exploration & imprisoning people :)

9.8kdownloads

1.20.1forge

Beyond Cosmos

Space Exploration Pack with Custom Code And Storyline!

9.1kdownloads

1.21.1neoforge

From Spears to Gears

This modpack will take you through the ages of our civilisation! From the Bronze Age to the Space Age. Completely reworked combat system and amazing armor and weapons to fit the theme

4.9kdownloads

1.21.1neoforge

The Expanse: A Space Journey

Space exploration in Minecraft.

4.8kdownloads

1.20.1forge

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.

4.5kdownloads

1.21.1neoforge

Digital Home: Private Dimension

A private space in a Pocket Dimension

4.0kdownloads

1.21.8neoforge

Planetmax's The Backrooms

The Backrooms in minecraft.

3.3kdownloads

1.21.1neoforge

Smp Craft

The modpack is based on exploration of space , automation and dungeons

2.7kdownloads

1.21.1neoforge

Over Club - MidSeason

Explore the steampunk world, its mysterious structures and endless space!

2.0kdownloads

1.21.1neoforge

Rockets & Dragons

For our good friend BrianAllenMW who passed away in Aug 2025

1.3kdownloads

1.21.1neoforge

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.

1.3kdownloads

1.21.1forge

horror things

its a horror game with the create mod and space how will this go

862downloads

1.21.1neoforge

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. 🚀✨

860downloads

1.21.1neoforge

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.

850downloads

1.21.1neoforge

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!

633downloads