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Minecraft Java 1.21 Mods

Browse 35 free mods for Minecraft Java 1.21 — popular picks include Zombie Nightmare Expansions - Undead Horror Monsters, Zombie Horsemen, Brutal Nightmare : Insane Difficult.

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Zombie Nightmare Expansions - Undead Horror Monsters
1.21.1neoforge

Zombie Nightmare Expansions - Undead Horror Monsters

Adds various creepy undead entities with unique mechanics and intricate designs

470kdownloads
Zombie Horsemen
1.14.4fabric

Zombie Horsemen

Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.

134kdownloads
Brutal Nightmare : Insane Difficult
1.16fabric

Brutal Nightmare : Insane Difficult

Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.

84kdownloads
MC: Zombified
1.20

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.

28kdownloads
Zombie Tactics 2
1.21.11fabric

Zombie Tactics 2

zombie getting crazy

24kdownloads
Undead Leather
1.21fabric

Undead Leather

Just another rotten flesh to leather mod.

21kdownloads
Plants vs Zombies:Gospi Edition ( PvZ:GE )
1.20.6neoforge

Plants vs Zombies:Gospi Edition ( PvZ:GE )

This is my modification that adds plants and zombies in forge 47.2.0

15kdownloads
Adult Zombies Only
1.21.5

Adult Zombies Only

Replace all baby zombies and similar with adults! Toggleable

14kdownloads
Zombie Tactics
1.21fabric

Zombie Tactics

An overhaul of zombie AI, which allows them to break blocks and improves their tracking.

8.7kdownloads
Home Lawn Security
1.21.11fabric

Home Lawn Security

A mod that aims to add Plants vs Zombies' versus mode to the game.

2.9kdownloads
ZombieApocalypseSSS
1.21

ZombieApocalypseSSS

ZombieApocalypseSSS is a comprehensive Minecraft plugin that transforms your server into a thrilling zombie survival apocalypse. Featuring advanced zombie AI, evolving variants, player infection mechanics, psychological horror elements, and dynamic events

2.7kdownloads
Villagers Drop Eggs
1.21

Villagers Drop Eggs

This datapack makes villagers and zombie villagers drop spawn eggs. It's great for transporting those mobs.

2.6kdownloads
CustomDisasters
1.19

CustomDisasters

Custom Disasters is a Paper plugin that adds dynamic world events like Blood Moons, Zombie Apocalypses, and Nether Breaches, each transforming gameplay with unique mob behavior and atmospheric world effects.

1.1kdownloads
Zombalypse
1.21

Zombalypse

A zombie apocalypse plugin, it also adds "custom" zombies.

908downloads
Nice Life: Eternal Winter
1.21.9

Nice Life: Eternal Winter

Make your world a winter apocalypse, snow covered Overworld + snow piling effect. Inspired by the Life series and Grian!

752downloads
The Zombie Apocalypse Mod
1.21.1neoforge

The Zombie Apocalypse Mod

Turns your game into a zombie apocalypse game

565downloads
Shogun's Blast - Undead & TNT
1.21.11fabric

Shogun's Blast - Undead & TNT

Explore haunted Japanese villages, battle explosive Oni Warlords, and defeat the Council of Leaders in this immersive RPG structure and combat mod.

492downloads
Minecraft but Every Mob is a Chicken Jokey
1.21fabric

Minecraft but Every Mob is a Chicken Jokey

Transforms most living mobs (e.g., zombies, cows, creepers) into chicken jockeys (also dragon jockey)

368downloads
Immersive Pillagers
1.21.1neoforge

Immersive Pillagers

Face pillager hordes, explore hostile camps and lost labs, battle undead illagers, and uncover the secrets of the totem.

319downloads
S4mus Possession
1.21.11fabric

S4mus Possession

Possess and play as many different Minecraft mobs, each with custom abilities, sounds, movement, and aggro behavior. Zombies, skeletons, illagers, wardens, breezes, endermen, wolves, piglins, pandas, and more all have unique mechanics.

274downloads
Chicken Jockifier
1.21.5

Chicken Jockifier

A Minecraft Movie based data pack that turns adjacent baby zombies and chickens into chicken jockeys

176downloads
Sweet Apocalypse Biome
1.21.1neoforge

Sweet Apocalypse Biome

Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!

143downloads
ConvertIT
1.21.11fabric

ConvertIT

Cycle between Zombie Villager and Villager with ease!

133downloads
Sunlight Burn
1.21.4

Sunlight Burn

A datapack that adds a new challenge to Minecraft by causing you to burn in the sun like undead mobs.

124downloads
Undead Transformation
1.21.6fabric

Undead Transformation

Zombie transform into husk if died by the sun and skeleton transform into bogged if in contact with water for too long

84downloads
NoZombieVillagerCure
1.20

NoZombieVillagerCure

Prevents Zombie Villagers from being cured

71downloads
Remove Lava Chicken Drop
1.21.7-rc1

Remove Lava Chicken Drop

Removes the "Lava Chicken" disc from the Zombie loot table.

68downloads
ZombieVillager
1.20

ZombieVillager

Turns Zombies into Villager Zombies

66downloads
NotQuiteDead
1.21

NotQuiteDead

Become a zombie, husk, and drowned in survival!

64downloads
F*** baby zombies
1.20.5

F*** baby zombies

Makes baby zombies exactly 1.001 block tall, severely nerfing them by preventing them from going through 1 block gaps.

62downloads
Zombies attack Pink Sheep
1.21.5

Zombies attack Pink Sheep

Like in A Minecraft Movie, zombies will attack pink sheep

60downloads
Cursed Coin
1.21.4neoforge

Cursed Coin

A cursed item of unknown purpose. Rarely dropped by zombies and skeletons. Use it… if you dare.

57downloads
simulator infection  epidemic crisis
1.21

simulator infection epidemic crisis

apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.

42downloads
Rotten Apples
1.21.6

Rotten Apples

This Datapack Adds Rotten Apples to Minecraft, When you eat one near a mob with a Zombie Variant it Zombifys

24downloads
Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters
1.21.1forge

Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters

Zombie Nightmare Expansions Mod adds multiple high-detail undead creatures with different mechanics, combat styles, and special drops. The mod is designed for horror, zombie apocalypse, RPG, and hardcore gameplay packs. Features: Undead Mobs Disemboweler Large heavy zombie variant Targets players and cows High melee damage Drops Deathly Heart Tormented Zombie Disguises itself as a normal […]