Minecraft Java 1.21 Mods
Browse 12,320 free mods for Minecraft Java 1.21 — popular picks include GG&T Fakemon Pack [Cobblemon], Nautilus & Spears | Mounts of Mayhem, Animal Weights.
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GG&T Fakemon Pack [Cobblemon]
A datapack that adds a plethora of custom-made fakemon to Cobblemon!

Nautilus & Spears | Mounts of Mayhem
This is a mod in which I added drop Mounts of Mayhem to the old versions of minecraft
Animal Weights
Animals gain weight from good farm conditions, better light, water, grazing space, and breathing room mean bigger drops when they're killed.
Civillis Magic Compatibility
Adds compatibility between Civilis and various magic mods.
Natural Size Variation
Every entity now has a different size.
Mini Mob Spawn Eggs
I had made some pixel art of all the Minecraft Mobs and some people suggested to turn it into a resource pack for the spawn eggs, so I did!
Footprint Particle Returns
Footprint particles for players and mobs, now on Neoforge!
Walkable Rails
Allows mobs to pathfind over rails, including modded ones like create's
TVCraft: The Legend of Tenna
Adds in a Tenna and Spamton companion
Call Your Dog
Easily call (whistle) your dog with a goat horn to teleport it to you
SpaceworldMons [Cobblemon]
Adds in Beta Pokémon into your Cobblemon world!
AL's Mob Weapons
A pack that gives some mobs custom weapons from Minecraft Dungeons!
Lethal Company Mobs
Creatures from Lethal Company added into Minecraft
Skyrims Skeletons Meme
Skyrims Scream Skeleton Mobs

Glowing-entities
Minecraft client-sided mod that make entities glow!
No Enchant Block
Decorate your enchanting area with a wider range of blocks. Finally you can freely carpet your floor and still get max level enchantments!
Sweety's Horse Armor Tweaks
🐎 A small mobility buff for your Horse Armors
Brutes Drops Scraps
Now piglin brutes can drop up two netherite scraps!
SCP Core [Kult Craft]
Craftable SCPs that give you different powers and abilities.
Craftemon [Cobblemon]
A cobblemon addon that adds some minecraft inspired Pokemon

Grim & Bleak
A horror mod focused on ambience that adds a whole dimension to the game, and mixes horror with gameplay
Tricky Trials +
Tricky Trials + is a mod that expands on 1.21 (the tricky trials update)
MC: Zombified
MC: Zombified turns your Minecraft world into a zombie apocalypse! Only zombies will spawn, even in the Nether, replacing all other hostile mobs.
Blast Back
Makes Creeper (and ghast) explosions drop all the affected blocks!
Fangs 'n Claws
Bring new enemies with unique behaviors into your world
Turtles Drop Scute
Makes Turtles drop Turtle Scute upon death. All mainstream mod loaders.
ButterBee - CliffTree Mob Variants
Add-on for CliffTree, populates biomes of the world with diverse new animal variants!
customspeed
modify the cooldown for villagers and animals breeding and for mob spawners
Name Tag Backport
Backports the new name tag recipe to older versions of the game
Teal Lib
A library mod that's teal... That's the appeal
Better Minecraft [ BMCMOD ]
Enderite, Emeraude & More: A vanilla mod that adds new goals to Minecraft. You’ll never get bored with this mod, which enhances your experience
Much More Dungeons
Explore the overworld for tower dungeons packed with loot, supplies, and rare rewards
The Skinwalker Hunt
This mod is a horror mod that adds a new mob called Skinwalker who can transform into other mobs to hunt the player
Bluedude Dragons
A httyd mod for 1.21.1 neoforge and fabric
OO EE A E A
Cats will now spin like the viral tiktok video
Trial Guardians
Procedural Trial Chambers and Bosses!