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Minecraft Java 1.21 Mods

Browse 22 free mods for Minecraft Java 1.21 — popular picks include Mutant Monsters, Mutants and Zombies, Cuter: Mutant Monsters.

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Mutant Monsters
1.21.11fabric

Mutant Monsters

The mutants are back! Face scary creatures and powerful beasts like never before.

47Mdownloads
Mutants and Zombies
1.20.1forge

Mutants and Zombies

This mod adds new Mutant and Zombie mobs (official reforge of Ryan's Zombies).

981kdownloads
Cuter: Mutant Monsters
1.19.3

Cuter: Mutant Monsters

Resource Pack of that revamps the Mutant Monsters Mod in my art style.

793kdownloads
Gigeresque
1.21.1fabric

Gigeresque

Gigeresque is a horror-themed mod that offers players a dive into the horrific biomechanical world of the xenomorphs, and the mutated realms of the neomorphs, deacons, and goo mutants.

363kdownloads
Mowzie's Mobs definitive [Mutant Monsters Compat]
1.21.1neoforge

Mowzie's Mobs definitive [Mutant Monsters Compat]

This is a mod for a modpack called Mowzie's Mobs that will add compatibility for Mutant Monsters. It will include changing the mutant zombie model to geckolib, making it easy to modify the animations and model with Kube.js or resource packs.

9.6kdownloads
Mutant Mobs REMUTATED
1.21.1neoforge

Mutant Mobs REMUTATED

This mod adds some Mutants

7.0kdownloads
ZombieApocalypse999
1.21

ZombieApocalypse999

Zombie Apocalypse 999 is a comprehensive zombie survival plugin that introduces unique zombie mutations, an evolving threat system, player infection, custom crafting, safezones, and configurable gameplay mechanics.

4.4kdownloads
Excalibur | Mutant Monsters
1.21.1

Excalibur | Mutant Monsters

This is a support pack that converts Mutant Monsters Mod textures to better match the Incredible Excalibur ResourcePack.

2.6kdownloads
Turtle Dynasty
1.21.1forge

Turtle Dynasty

Addon mod for Samurai Dynasty adding weapons of 2012 Teenage Mutant Ninja Turtles

2.4kdownloads
catch and tame
1.21.1neoforge

catch and tame

"Tame, capture, and carry literally ANY monster in Minecraft with the powerful new Tame Balls! Breed dynamic Mutants, build a Pet Hospital, and play fetch with exclusive custom dogs like Huskies, Golden Retrievers, and Boston Terriers!"

1.1kdownloads
Bare Mutants (Mutant Creatures X Bare Bones)
1.18.2

Bare Mutants (Mutant Creatures X Bare Bones)

Trailer-Styled Mutant Mobs

795downloads
Biomorphosis
1.21.1neoforge

Biomorphosis

A mod about mutations and evolution, where you control an organic ecosystem, creating structures and creatures from living matter. Harness biomass to develop your colony, but be prepared for the dangers your experiments may bring

681downloads
corpseorigin
1.21.1neoforge

corpseorigin

Corpse Origin is a Minecraft mod inspired by the web comic "Shen Xiong" (尸兄)/Zombie Brother, designed for Neoforge 1.21.1, introducing a core system of infection, mutation, and evolution.

284downloads
The Gifted
1.21neoforge

The Gifted

Unlock abilities by surviving danger, injecting powerful serums, or experimenting with alien tech and mutation.

229downloads
UnleashedSMP
1.21

UnleashedSMP

UnleashedSMP is a chaos and event plugin for Minecraft Paper servers, featuring 50+ admin-triggered events, random effects, and mutant mobs to create unpredictable, fun, and engaging SMP gameplay.

192downloads
Mobs patch for vampirism
1.21.1neoforge

Mobs patch for vampirism

You need mutant monsters by the moment. Fixed behaviour for stray, husk and mutant monsters using mixin

135downloads
Replicator First Type
1.21.1neoforge

Replicator First Type

Evolving slimes harness solar energy and develop genetic mutations. Predatory spiders create evolutionary pressure. Features 12+ genes, horizontal gene transfer, DNA scanner. Watch natural selection in your Minecraft world!

60downloads
Pathogen Monster Plague Mod (1.21.1, 1.20.1) – Mutants Take Over World
1.21.1forge

Pathogen Monster Plague Mod (1.21.1, 1.20.1) – Mutants Take Over World

Pathogen Monster Plague Mod is a horror-style expansion mod that introduces a dangerous chemical infection which corrupts creatures and biomes, creating aggressive mutant lifeforms across the world. You must craft special gear and weapons to survive the spreading plague. Features: About 90+ unique mutant mobs, including corrupted vanilla creatures and biome variants World corruption system […]

Mutated Items Mod (1.21.1, 1.20.1) – Transform Your Items Into Creatures
1.21.1neoforge

Mutated Items Mod (1.21.1, 1.20.1) – Transform Your Items Into Creatures

Mutated Items Mod introduces a unique mechanic where iconic Minecraft items can transform into new creatures, called Mutated Items, by being thrown into a Nether portal. There is a 10% chance of mutation, adding an exciting element of unpredictability and creativity to the game. Features: Item Mutation: Transform classic Minecraft items into new creatures. Nether […]

Apolo's Edited Mobs Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Apolo's Edited Mobs Resource Pack (1.21.1, 1.20.1) – Texture Pack

Apolo's Edited Mobs Resource Pack, simple as its tittle, supplies players with some edited mob textures from the author. Specifically, mods supported will include: The Aether Lucky Blocks Mutant Beasts Rediscovered Ice and Fire: Dragons With a low resolution of 16×16, it is a great add-on for those who wish to experience new things in […]

Excalibur | Mutant Monsters Support
1.21.5

Excalibur | Mutant Monsters Support

This is a support pack that converts Mutant Monsters Mod textures to better match the Incredible Excalibur ResourcePack.

175kdownloads
Mutant Mobs Pack
1.21.8fabric

Mutant Mobs Pack

A simple modpack with a plethora of more customisable doors, windows and more to boost the creativity of each world. Paired with the additional mobs, this modpack boosts the fun and the difficulty of the survival aspect of Minecraft.

1.3kdownloads