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Minecraft Java 1.21 Mods

Browse 12,229 free mods for Minecraft Java 1.21 — popular picks include Cobblemon, Hunter'sReturn, Dragon Mounts: Legacy.

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Cobblemon
1.21.1fabric

Cobblemon

A Pokémon mod for Fabric and NeoForge

33Mdownloads
Hunter'sReturn
1.21.1neoforge

Hunter'sReturn

Add evil Hunter's mob! They hunt the animals while making a cheeky laugh...

33Mdownloads
Dragon Mounts: Legacy
1.21forge

Dragon Mounts: Legacy

Finally Hatching That Dragon Egg! New Reptile Companions!

33Mdownloads
Galosphere
1.20.1fabric

Galosphere

This mod aims to improve the underground by adding new cave biomes, mobs, ores... etc

32Mdownloads
Buzzier Bees
1.21.1neoforge

Buzzier Bees

Enhances and introduces various bee and honey related content!

31Mdownloads
Bosses of Mass Destruction [Forge | NeoForge]
1.21forge

Bosses of Mass Destruction [Forge | NeoForge]

WIP mod that adds boss fights to Minecraft

31Mdownloads
Illager Invasion
1.21.11fabric

Illager Invasion

The illagers are back! Be ready to fight new foes. A port of Illager Expansion.

31Mdownloads
Savage Ender Dragon
1.21fabric

Savage Ender Dragon

Overhauled ender dragon fight with new mechanics

30Mdownloads
CleanCut
1.21.9neoforge

CleanCut

Attack enemies through obstructions! FORGE & NEOFORGE & FABRIC!

30Mdownloads
Friends&Foes (Fabric/Quilt)
1.21.11fabric

Friends&Foes (Fabric/Quilt)

Adds outvoted and forgotten mobs from the mob vote, expanding on their original concepts and adding new vanilla-like features. The mod includes: Copper Golem, Crab, Glare, Moobloom, Iceologer, Rascal, Tuff Golem, Wildfire, Illusioner, Zombie Horse

29Mdownloads
Born in Chaos
1.21.1neoforge

Born in Chaos

Adds a lot of aggressive mobs, with their unique properties that can diversify and complicate your survival. Also adds new structures, equipment, blocks and achievements.

29Mdownloads
Integrated Dungeons and Structures
1.21.1neoforge

Integrated Dungeons and Structures

Integrated Dungeons and Structures (aka IDAS) is a mod that adds heavily detailed structures using blocks and mobs from Quark, Supplementaries, Alex’s Mobs, and Create.

29Mdownloads
Nyf's Spiders
1.20.1neoforge

Nyf's Spiders

Modifes spiders to be more realistic.

28Mdownloads
Bosses of Mass Destruction
1.21fabric

Bosses of Mass Destruction

WIP mod that adds boss fights to minecraft

28Mdownloads
Roots 4
1.21.1neoforge

Roots 4

A magic mod focused on nature, crops and animal husbandry!

28Mdownloads
AdventureZ
1.21.1fabric

AdventureZ

a new endboss and other creatures

27Mdownloads
Nether Depths Upgrade
1.21fabric

Nether Depths Upgrade

Nether Depths Upgrade is a small mod that adds some extra flora and fauna to the lava seas of the nether. A total of nine fish have been added, a new enchant and potion in order to explore the lava in the nether. 

27Mdownloads
RevampedWolf
1.21.1neoforge

RevampedWolf

This mod aims to revamp the wolf mob

26Mdownloads
More Axolotl Variants Mod
1.21.8neoforge

More Axolotl Variants Mod

Adds more axolotl variants!

24Mdownloads
NetherEx
1.21.4neoforge

NetherEx

NetherEx is a nether content mod.

24Mdownloads
Raided
1.21.11neoforge

Raided

Expands upon the vanilla raid system to allow for more advanced raid mechanics

24Mdownloads
More Mob Variants
1.21fabric

More Mob Variants

Adds new variants to existing mobs.

23Mdownloads
Animal Feeding Trough [Fabric | Forge | Quilt | NeoForge]
1.21.11fabric

Animal Feeding Trough [Fabric | Forge | Quilt | NeoForge]

Mobs self feed with feeding trough

23Mdownloads
Tiny Skeletons
1.21.11fabric

Tiny Skeletons

Teeny, tiny skeletons, send shivers down your spine...

23Mdownloads
Deep Aether
1.21.1neoforge

Deep Aether

An addon for the original Aether mod, aiming to show the deepest lands of a forgotten paradise.

23Mdownloads
Apothic Spawners
1.21.1neoforge

Apothic Spawners

Allows moving and modifying Mob Spawners

22Mdownloads
Vampirism - Become a vampire!
1.20.1forge

Vampirism - Become a vampire!

Vampires are fast, strong and blood-thirsty entities, which do not like the sun, but don't fear the night, and the best thing is: You can become one!

22Mdownloads
Improved Mobs (Forge, NeoForge)
1.20.1forge

Improved Mobs (Forge, NeoForge)

Harder mobs for increased difficulty

21Mdownloads
Cut Through
1.21.11fabric

Cut Through

Cleanly swing through transparent blocks like tall grass to hit mobs without breaking said block.

21Mdownloads
Ribbits
1.21fabric

Ribbits

Swamp villages and musical frogs!

21Mdownloads
Brutal Bosses - Custom Bosses
1.21.1neoforge

Brutal Bosses - Custom Bosses

Adds 29+ Bosses to dungeons and structures. Allows custom boss creation through datapacks

20Mdownloads
Enhanced AI
1.21.1neoforge

Enhanced AI

Creepers Breaching, Zombies mining and Skeletons sniping

20Mdownloads
Environmental
1.21.1neoforge

Environmental

Enhances the Overworld with new foliage and wildlife and introduces some simple biomes!

20Mdownloads
Autumnity
1.21.1neoforge

Autumnity

Introduces small autumn-themed biomes with seasonal content!

20Mdownloads
YUNG's Cave Biomes (Forge/NeoForge)
1.21neoforge

YUNG's Cave Biomes (Forge/NeoForge)

Adds new vanilla+ cave biomes and underground content!

20Mdownloads
The Hordes
1.21.1forge

The Hordes

Horde Invasions and Zombie Infection

20Mdownloads