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Minecraft Java 1.21 Mods

Browse 53 free mods for Minecraft Java 1.21 — popular picks include Demi's Sky Arena, EliteMobs, Small Mob Arena.

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Demi's Sky Arena
1.20.1forge

Demi's Sky Arena

Imagine the strongest mobs from all mods gathered in one place

8.2Mdownloads
EliteMobs
1.21.4

EliteMobs

Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!

69kdownloads
Small Mob Arena
1.21.8neoforge

Small Mob Arena

Adds a small mob arena for challenging fights and great rewards

59kdownloads
HealthBar-Reloaded
1.17spigot

HealthBar-Reloaded

Cool health bars above mobs' and players' heads, a must-have for RPG and PvP servers!

31kdownloads
Invincible: Overdrive
1.21.1neoforge

Invincible: Overdrive

A Modpack base on the comic and TV show "Invincible", focusing on the mod "Invincible Conquest", bringing in challenging adventure with difficult mobs and bosses to conquer

14kdownloads
All About Horror - Survival Fear & Terror Experience
1.21.1neoforge

All About Horror - Survival Fear & Terror Experience

Survive the terrifying world of the All About Horror modpack, where nightmares, horrific creatures, and dark environments await you at every turn.

4.9kdownloads
Tensura Reemerged
1.21.1neoforge

Tensura Reemerged

Embark on a journey of growth, discovery, and power. As Player, you must explore the world, form relationships with other creatures, face ancient threats, and ultimately shape the destiny of the realm. Whether you aim to create peace or dominate

4.9kdownloads
World War Z - Zombie Evolution
1.21.11fabric

World War Z - Zombie Evolution

World War Z, with more zombie mobs

3.7kdownloads
 DayCraft REVAMPED
1.21.1neoforge

DayCraft REVAMPED

DayCraft is made for everyone. Structures, mobs, and new mechanics will come to your world.

3.1kdownloads
Vulgar's PvpBot
1.21.1fabric

Vulgar's PvpBot

Pvpbot is an mod that uses carpet as a dependency it adds players that can be summoned through commands, these players have advanced combat ai and can be used to practice PvP (Player Versus Player)

3.0kdownloads
Red vs Blue
1.21.4neoforge

Red vs Blue

Red vs Blue PVP or PVE

3.0kdownloads
MobPVP / PVE [1.21.1 Fabric/Quilt] - PvP - RPG // CANCELLED
1.21.1fabric

MobPVP / PVE [1.21.1 Fabric/Quilt] - PvP - RPG // CANCELLED

MobPVP is a Minecraft Fabric mod that introduces a dynamic level-based combat system for mobs, adds rare and powerful variants, and enhances gameplay with unique effects and loot drops.

2.9kdownloads
All About Mobs - Creatures & Bosses & Combat
1.21.4neoforge

All About Mobs - Creatures & Bosses & Combat

All About Mobs enriches your Minecraft experience by adding a plethora of new creatures to discover and interact with, enhancing the dynamics of each biome.

2.6kdownloads
writer's whackpack
1.20.1forge

writer's whackpack

a nice variety pack with a bit of tech some epic fights and small creatures too collect

1.9kdownloads
Yendia's Quality Of Life [Forge]
1.21.10forge

Yendia's Quality Of Life [Forge]

The Modpack offers a fun and adventure-filled experience with various addons, including Mobs, Farmer Delight, and Structure, enhancing the gameplay and experience of Yendia's Community Server.

1.9kdownloads
Cobblemon - Ranked PVP - Competitive PVE - #1 SMP-Server Pack
1.21.1fabric

Cobblemon - Ranked PVP - Competitive PVE - #1 SMP-Server Pack

Play Cobblemon the way it’s meant to be experienced — optimized mods, balanced gameplay, and direct server access.

1.9kdownloads
Savaru IV - Kohtalon Mies
1.21.1fabric

Savaru IV - Kohtalon Mies

Diablo-like RPG Modpack. Farm loot, hunt monsters, and explore the world to unlock achievements and levels. Savarus Chapter IV — Become the chosen one and cleanse this world.

1.7kdownloads
Gooners Go Beyond
1.20.1forge

Gooners Go Beyond

A modpack made for multiplayer or single player with more dimensions, weapons (guns, tanks, plane turrets, new swords and spells), many more ores and mobs, also more technical aspects such as chemistry, better storage, planes and helicopters.

1.5kdownloads
+ Creatures of Sonaria +(UPD land sky and sea)+
1.21.1neoforge

+ Creatures of Sonaria +(UPD land sky and sea)+

Creatures of Sonaria Minecraft Modpack – Summary The Creatures of Sonaria Minecraft modpack is a fan-made adaptation of the hit Roblox survival game

1.5kdownloads
Legenden of  Dravaryn
1.21.1neoforge

Legenden of Dravaryn

Embark on an epic adventure in Legends of Dravaryn! Play as a Dragon, Hunter, or Mistwalker in a world teeming with mystical creatures. Tame dragons, battle griffins, and uncover the ancient secrets of Dravaryn.

1.3kdownloads
Leo's Medieval Fantasy
1.21.1neoforge

Leo's Medieval Fantasy

This is Leo's medieval fantasy , enjoy beautiful views , fight monsters dragons and countries while enjoying the medieval life.

991downloads
CloudCraft ModPack
1.21.1neoforge

CloudCraft ModPack

A Create-based pack , featuring MineColonies, ProjectE, and Refined Storage, as well as combat enhancing mods and new mobs to fight.

944downloads
Draconia The Fourth
1.21.11fabric

Draconia The Fourth

Fantasy modpack focused on dungeons and creatures

833downloads
Hero’s Trial
1.21.10fabric

Hero’s Trial

Minecraft: Hardcore! Survive with Xaero’s Minimap and Just Enough Items. But be warned: this world is unforgiving. The creatures are dangerous. Do you have what it takes to survive the onslaught?

832downloads
Tensura Abyss
1.21.1neoforge

Tensura Abyss

Reincarnate into a new world, build your ultimate monster empire, and evolve your skills to become a True Demon Lord in this massive Tensura RPG experience.

831downloads
Cataclysmic Ascension
1.21.1neoforge

Cataclysmic Ascension

Cataclysmic Ascension is a high-powered Minecraft 1.21.1 modpack that challenges players to rise through a world of chaos, monsters, magic, and ancient relics, combining intense combat, deep progression, and immersive exploration across dimensions.

766downloads
JoeWho Tech n' Dinos
1.21.1forge

JoeWho Tech n' Dinos

This is a Modpack that contains technology mods that allow you power your own factory or make your own dinosaur zoo, while being able to tame many creatures and face the darkest corners of the world.

749downloads
Liminalcraft
1.21.1neoforge

Liminalcraft

Now with the Aether! Exploration based with new dimensions, mobs, magic, and more, with a focus on performance

718downloads
All About Aether - Sky Dimension Adventure
1.21.1neoforge

All About Aether - Sky Dimension Adventure

Explore the mystical heights of the Aether in Minecraft, where floating islands, mythical creatures, and celestial challenges await in All About Aether.

717downloads
Wildflower Hollow
1.21.4fabric

Wildflower Hollow

This is an immersive modpack filled with lush biomes, ancient ruins, new weapons, and challenging mobs. Explore The Afterdark Dimension, build with tons of decor, and enjoy smooth gameplay with FPS boosts.

635downloads
Dark Hours
1.21.1neoforge

Dark Hours

A dark RPG world where magic, dangers, and terrifying creatures shape your survival

624downloads
TUIA (The Ultimate Indefinite Adventure)
1.21.1neoforge

TUIA (The Ultimate Indefinite Adventure)

This modpack is one of the best mods you'll find; it has famous mods like Avaritia Project E and Mozie Mobs.

562downloads
Elysium Of Realms (outdated)
1.21.1neoforge

Elysium Of Realms (outdated)

Enter a realm where technology, colonies, monsters, and mysticism merge into a single, evolving world.

504downloads
the_horde
1.21.1neoforge

the_horde

This mod adds an arena to fight procedural hordes

503downloads
Player-Level Randomizer
1.21.11fabric

Player-Level Randomizer

Every time you level up, a random event is triggered, ranging from beneficial loot rains to spawning structures and deadly combat arenas. Taking damage will cost levels..

437downloads
Heritage of the Gods RPG
1.21.11fabric

Heritage of the Gods RPG

This mod provides new PVP features by adding new abilities, new weapons, and new mechanics.

388downloads