Minecraft Java 1.21 Mods
Browse 20 free mods for Minecraft Java 1.21 — popular picks include Brutal Nightmare : Insane Difficult, ZombieApocalypse999, Zombie Horses From Abandoned Villages.
Updated daily
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.
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.
Zombie Horses From Abandoned Villages
Zombie Horses spawn in the animal pens of Zombie Villages instead of normal animals They can also spawn as permanent babies or ridden by zombie villagers
[World Generator] Winter Apocalypse++
Makes the world cold and snowy in every biome in the overworld.
XxCreeperxX's Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more
Frankenstein Zombie
Expands zombies by adding a cemetery structure where a frankestein zombie can be created and leveled up. Additionally 4 new zombie types have been added
Vykket’s Zombie Mobs
Adds new zombified variants of animals, turning your world apocalyptic!
Nice Life: Eternal Winter
Make your world a winter apocalypse, snow covered Overworld + snow piling effect. Inspired by the Life series and Grian!
Disney Zombies
adds stuff from all four zombies movies (and some of 5)
The Zombie Apocalypse Mod
Turns your game into a zombie apocalypse game
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.

Hard Diamond Challenge
Diamond ore doesn't exist anymore, it is iron instead, you can't craft diamond gear (you'll have to find it) and there are no villages (you'll have to find and cure a zombie villager)
zzzZombie World
Makes the game only spawn zombies

Immersive Pillagers
Face pillager hordes, explore hostile camps and lost labs, battle undead illagers, and uncover the secrets of the totem.
Disable Zombie Sieges
Disable Zombie Sieges from spawning and messing up your village in all overworld biomes.
Pea Garden: a Plants vs Zombies mod
Adds Plants vs Zombies plants and items to your minecraft world
Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!
Rotwire
A Zombie Survival take on Minecraft with infested cities. Establish a radio connection with the survivors to maintain your ammunition and resource supply. Migrate from town to town as their difficulty scales with your activity within each of them.
Unstable Nether Portal Strike
This Datapack adds the Null Nether Portal Strike from the Unstable SMP.By holding an nether star given from a command in description named null, nether portals will start spawning, zombies will come out.