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Minecraft Java 1.21 Mods

Browse 98 free mods for Minecraft Java 1.21 — popular picks include Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Block Factory's Biomes - Add new vanilla+ biomes, Cosmos Infinia | Space Mod.

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Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
1.21.1neoforge

Arda's Sculks (Ancient City Portal / Deep Dark Dimension)

Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.

122kdownloads
Block Factory's Biomes - Add new vanilla+ biomes
1.20.1forge

Block Factory's Biomes - Add new vanilla+ biomes

🌳 This Biomes Add-on adds 5 brand-new biomes filled with unique animals, plants, blocks, and fully custom world generation!

107kdownloads
Cosmos Infinia | Space Mod
1.21.1neoforge

Cosmos Infinia | Space Mod

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

67kdownloads
Better Create Aeronautics | With Create Addons & Improvements
1.21.1neoforge

Better Create Aeronautics | With Create Addons & Improvements

A technology-focused Minecraft modpack built around Create and Create Aeronautics, featuring automation, aircraft, exploration, new biomes, creatures, and immersive world improvements.

32kdownloads
Alex's Caves: Refabricated
1.21.1fabric

Alex's Caves: Refabricated

An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...

31kdownloads
Create: Rock & Stone
1.21.1neoforge

Create: Rock & Stone

Create: Rock & Stone aims to close the gap between Create and traditional factory game experience by bringing infinite mineable resource deposits into the world. Make your own massive drill and cash in on the bounties of nature!

29kdownloads
Classic Beta Biomes
1.20.6neoforge

Classic Beta Biomes

Brings back the nostalgic feel of old Minecraft with a classic Beta-style biome!

24kdownloads
No Man's Craft
1.21neoforge

No Man's Craft

Explore infinite planets !

22kdownloads
Syconn's Star Wars Mod
1.20.1forge

Syconn's Star Wars Mod

Travel To a world Far Away. Meet your favorite Star Wars Characters and adventure in custom dimensions and biome.

21kdownloads
FlatEdit+
1.21.11fabric

FlatEdit+

A rework of the horrific superflat creation screen.

20kdownloads
Aero Islands (for Create Aeronautics)
1.21.1neoforge

Aero Islands (for Create Aeronautics)

Sky island world generation from Isabel's Aeroscapes.

17kdownloads
[1.21.11 UPDATE] Better Biomes
1.21.8neoforge

[1.21.11 UPDATE] Better Biomes

Adds many different cool and amazing biomes, blocks, items, trees, and features to Minecraft.

16kdownloads
The Modded Rizoma MC
1.21.1neoforge

The Modded Rizoma MC

Explore a lush, modded world where nature and technology grow together. Rizoma blends farming, magic, tech, and adventure into one immersive experience. Build, automate, and thrive in a world full of life, beauty, and powerful progression.

8.1kdownloads
CreateRadioactive
1.20.1forge

CreateRadioactive

This Mod Adds New Biome And New Dimension And Adds 2 New Mines Ardiom And Ranium With These We Can Make Armor Or Items It Adds New Structures To New Biomes It Adds New Things Like New Tree Type And Adds Nukes Bombs

7.5kdownloads
Bushes Ore
1.21.11forge

Bushes Ore

Adds bushes that drop valuable resources, making exploration more rewarding.

6.1kdownloads
Better Journeys
1.21.11fabric

Better Journeys

Vanilla+ Modpack, focused on exploration, nature, and good vibes!

5.0kdownloads
Builder's Frontier- Official
1.21.4forge

Builder's Frontier- Official

Mod pack that has ars noveau, more villagers, hire villagers, create mod + guns, biomes o plenty and more

4.9kdownloads
Galaxy Under Chaos - A Star Wars Experience
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
Mijoma's Additional Additions
1.21.5forge

Mijoma's Additional Additions

New biomes, new structures, new mobs, AND new technology! Along with revamping vanilla minecraft elements, this modpack also adds new enemies, interdimensional travel, engineering and tinkering, and even magic!

2.8kdownloads
Nature Paths
1.21.1neoforge

Nature Paths

Nature Paths – Enrich your world with new flowers, natural structures, and decorative details that make every exploration more beautiful and unique.

2.6kdownloads
B-RTP
1.21.1fabric

B-RTP

BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance

2.5kdownloads
Fields
1.21.11fabric

Fields

Worldgen mod that adds eight farm-field structure variants to plains biomes, complete with crops, roads, irrigation, and fences.

2.0kdownloads
Survival Not Guaranteed
1.21.1neoforge

Survival Not Guaranteed

Dive into an expansive Minecraft modpack that blends challenging survival mechanics like temperature and thirst with extensive exploration of overhauled dungeons and new biomes, all while offering dynamic combat, magical mastery, and complex automation.

1.8kdownloads
Explorerflotte Create
1.21.1neoforge

Explorerflotte Create

A fabric based modpack focused on Create, Modern Industrialization, Botania and Applied Energistics with a lot of decorative options. Using Mods like Oh the Biomes, MCA and Phillipps Ruins/CTOV makes the world more interesting.

1.2kdownloads
oibaf_mod_new
1.21.1neoforge

oibaf_mod_new

Technical exploration mod that makes the game more difficult.

1.1kdownloads
Roziaria
1.21.1neoforge

Roziaria

Built around the Create mod and its addons, with 70+ new biomes, new structures and Fresh Animations, while staying mostly lag free! Now with Modular Backpacks.

1.1kdownloads
G1axWorldGenerator
1.21

G1axWorldGenerator

G1axWorldGenerator is an open-source Minecraft world generation plugin designed to create biome-aware, layered terrains with realistic hills, valleys, and block depth structures.

1.1kdownloads
Modded Complete
1.21fabric

Modded Complete

A Minecraft modpack that expands gameplay with new biomes, mobs, technology, magic, structures, and tools, creating deeper exploration, challenges, automation, and creative building possibilities.

958downloads
AMR Bot
1.21.10

AMR Bot

AMR stands for Automatic Modular Robot. A Robot-themed datapack. Explore new biomes, discover diverse modules, and assemble your own modular robot in Minecraft

951downloads
More Animals [NEOFORGE] - Overhauled
1.21.1neoforge

More Animals [NEOFORGE] - Overhauled

More Animals Overhauled - tech mods, some magic, and tons of animals and biomes to explore.

719downloads
A Crazy Adventure: Science & Survival
1.21.1neoforge

A Crazy Adventure: Science & Survival

A blocky landscape with forests, mountains, a backpacked character facing a machine, and a purple Nether portal under bold white title text.

716downloads
MCTIERS Terrain Generation
1.21

MCTIERS Terrain Generation

This is a terrain generation pack that will let you generate 5 single biomes. These consist of badlands, desert, mushroom, plains and snowy fields. Use the EssentialsX plugin to do /world (one of the biomes).

688downloads
KTF Heroes & Horizons
1.21.1fabric

KTF Heroes & Horizons

This modpack combines RPG classes, progression, and exploration with a living economy, unique structures, and immersive villages. Featuring Cobblemon, farming & nature expansions, and Create automation, it offers endless adventures in a dynamic world.

643downloads
Create For Me And The Boys
1.21.1neoforge

Create For Me And The Boys

A Modpack where mainly for multiplayer experiences and you can make wonderful complex machines, trade with your friends with cash, and travel many biomes and caves. Heres The IP: wills-piston.tun.ply.gg:47348

591downloads
Nature's Technology 4: Vast Horizons
1.21.1neoforge

Nature's Technology 4: Vast Horizons

A sandbox/kitchen sink modpack, containing a healthy selection of magic, tech, building mods....and more!

580downloads
Maria's Create Project
1.21.1neoforge

Maria's Create Project

Push the limits of the Create mod to construct physics-based airships and massive factories across a breathtaking world filled with custom biomes, sprawling dungeons, and effortless free multiplayer.

576downloads