Minecraft Java 1.21 Mods
Browse 12,305 free mods for Minecraft Java 1.21 — popular picks include Cobblemon: Fight Them All, Enhanced Cats, MC Pets - 3D-model pets & mounts.
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Cobblemon: Fight Them All
Mod which extends Cobblemon to allow Pokemon-style fight with mobs
Enhanced Cats
Extends Minecraft Vanilla cats' features
MC Pets - 3D-model pets & mounts
Create wonderful mounts and pets for your server
Kenny [HORROR]
Kenny watches from a distance before the warnings build into a hunt that only ends when the Ender Dragon is defeated.
Hollow Realms
Hollow Realms is a horror mod that plunges players into a twisted, decaying dimension where unsettling creatures, eerie mysteries, and a constant sense of dread lurk around every corner.
FinzWild:Friends
Add Little Snake-like Creature from Another World!
Desert Tombs
Adds a giant Tomb to desert biomes, introducing new mobs: the Scorpion, the Mummy, and a Pharaoh mini-boss.
Spring to Life Backport
A mod that adds some features from the 1.21.5 "Spring to Life" update to older versions.

Wind Boost Enchantment
Allows one to Enchant the Harness with a Custom Enchant to make Happy Ghasts Faster
Create: Pillager Arise
10 new structures for in game! ( Defended by pillagers ) Requires Create
EntityXray - Find Any Mob/Players
See entities through walls with customizable X-ray vision, GUI, and filter options for selective entity highlighting.
What Did I Just Kill?
displays a small toast with information about the mob you just killed
Wilds-Style Horse Autopilot
Autopilot and Lockon similar to Monster Hunter Wilds
Animal Garden - Springhare
This mod adds another useful tamable critter to the savanna biomes, the Springhare!
Undopia 3D Spawner
Gives the Mob Spawner a 3 dimensional model
Awesome Dungeon End
Add an epic new structure to your END dimension, waiting to be explored!
More Creeps And Weirdos Revival
This is a complete revival of the original More Creeps and Weirdos mod from Minecraft v1.2.5.
Bearded Dragons
This mod adds bearded dragons and more into minecraft. So you can finally have a lizard in the game!
Better Snowball Fight 3
A winter theme mod suitable for mini-games
Better Zombie Ai
Add all new features to improve your zombie apocalypse experience ,with tons of customizability
Neko's Deer Creeper
Turns Creepers into Skeleton Deer monsters!
Dragon Mounts Remastered: More Dragons
New breeds for the mod Dragon Mounts: Remastered
Lost Lore
This addon aims to add the extended canon that is the anime/movies, side games & manga to Cobblemon!
Echoes
Sculk-corrupted creatures that hunt by sound
DamageSource Is Not Null Basic
An attempt to solve DamageSource NPE (Only Covers Vanilla Mobs)
Warden Slayer Enchantment
A simple enchantment to fight the strongest minecraft mob
Tale of Kingdoms: A new Conquest
The Tale of Kingdoms mod, revived.
Panda Temple
Spawns a mysterious overgrown temple in the jungle inhabited by our favorite bamboo eating creature!
Lush Cave Trader
Adds a new villager, a structure and 3 new weapons + armor hat
Cobblemon - MC Swords for Honedge Line
Adds alternative textures for Honedge / Doublade / Aegislash based on Minecraft sword textures
Craft Spawn Eggs
Adds a crafting recipe for every spawm egg
Break My Fall
Adds configurable features related to falling and fall damage like breaking snow on impact or taking fall damage in different water depths!
Elemental Creepers OG
The original mod finally updated! New kinds of creepers with elemental effects, including a tamable friendly creeper!
Scorched Guns Neoforged
An unofficial NeoForge 1.21.1 port of Scorched Guns 2, focused on preserving the original mod’s firearms, structures, mobs, machines, turrets, and ExoSuit gameplay on a newer Minecraft version.
Guard Villagers (Fabric/Quilt) [1.21.1]
Simple port of Guard Villagers to 1.21.1 Fabric/quilt.
MobArena
Become a mob-fighting gladiator!