Minecraft Java 1.21 Mods
Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Rustling Spots: Team Rocket Addon [Cobblemon], Zombies plus plus, BloodyParticlesMod.
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Rustling Spots: Team Rocket Addon [Cobblemon]
Adds rare Jessie and James interruptions to Rustling Spots, turning exploration encounters into scalable Team Rocket trainer battles with unique dialogue and rewards.
Zombies plus plus
Turning Zombies Up to 11 since 2024
BloodyParticlesMod
Make every hit feel meaningful. Mobs splash thematic blood and impact particles when damaged different effects per mob, scaling with attack charge and critical hits.
Runechant
This Data Pack is meant as a reimagining of Survival Minecraft adding in a multitude of features to enhance progression and existing content as well as create new content for a Survival Player to explore.
Advanced Mobility Mechanics
Advanced mobility like crawling, climbing, and double jumping
Hardcore Ender Dragon
Datapack that makes the Ender Dragon significantly harder with new attacks and behaviors.
Attack Through
Attack mobs through grass, and other plants
No Elder Guardian ❌
Disable Elder Guardian in Minecraft by preventing its spawning and removing any that appear in the world
The Copper Golem Mod!
A minecraft mod that adds a brand new mob from the mob vote: The Copper Golem! Just like it was presented in the show, this mob will randomly press copper buttons, that has been added to the game too|
LGs Player Corpses
This lightweight pack adds player corpses on death!
Trickier Trials
Make Trial Chambers more challenging!
Ice Age
Covers the entire world in snow
No Husk ❌
Disable Husk in Minecraft by preventing its spawning and removing any that appear in the world
Simple Spikes
Simple Spikes adds easy-to-craft spikes for efficient mob farming and trap creation.
Happy Ghast but Fast (10x Speed)
This makes the happy ghast faster using Minecraft attributes
MobMons
Do you want to use Minecraft mobs as Pokemon? Now you can!!! :D

Holyhell
Vanilla friendly content mod that adds Biblically Accurate Angels

Enter the Bungeon
Completely rewrites Minecraft into a Roguelike Dungeon Crawler
No Ghast ❌
Disable Ghast in Minecraft by preventing its spawning and removing any that appear in the world
Trimsfault
This datapack that adds new ways to customize your armour, elytras, and even your pets!
CobblemonBahaviours
It's a server-side Fabric addon for Cobblemon (1.21.1) that makes wild Pokemon feel alive by giving them aggressive and timid behaviors
Cave Dweller Overhaul
Overhauls the Cave Dweller with improved AI, features adapted from the original and Bedrock versions, plus some new additions
Creatures Dominion
This is a mod that will have a lot of animals and even extinct ones. It is not released yet and neither finished. Please give suggestions and report bugs to me please! I hope you enjoy the mod!
Candid - A True Adventure
Welcome to Candid! This project adds structures, enchantments, and all things catering to a true adventure. It's built as a companion to True Survival Mode, but can be played independently.
Realistic Terrain Movement
Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.
Infinite Restocks│無限補貨
Just like the old version, the number of restocks will not be limited to 2 times.│就像舊版一樣,補貨次數不會限制在2次內。

Tiny Terrors
Adds baby (and jockey) versions of creepers, endermen, skeletons, stray, bogged and wither skeletons

Cobblemon Hostile Spawners
This datapack adds trial spawners that are able to spawn hostile cobblemon!
PVP hitboxes
🗸 This mod changes vanilla hitboxes (F3+B) for PVP.
Dimension emptiness
Prepare yourself for a harrowing journey with the "Dimensions void" data pack! This pack introduces a nightmarish dimension known as the Void, a realm where no soul remains after the inevitable demise of all living things. Here, darkness reigns supreme, an
BetterCustomDrops
CustomDrop allows you to create custom drops from blocks and mobs
HP Bar Plus
HPBarPlus is a customizable client-side mod for displaying health above players\entities.
[SimplePetsAddon] PvP Addon
Checks for when the owner of a pet is in combat and will remove all their current pets
No Wandering Trader ❌
Disable Wandering Trader in Minecraft by preventing its spawning and removing any that appear in the world
Blood N' Particles Datapack
This datapack consists of adding blood and particles every time you receive and dealt damage; a touch of immersion to the game!
Leash Master
Leash Mobs and Players