Minecraft Java 1.21 Mods
Browse 709 free mods for Minecraft Java 1.21 — popular picks include Zombie Apocalypse Core [ZAC], The Zombie Conquest, MC: Zombified.
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Zombie Apocalypse Core [ZAC]
Necessity for zombie apocalypse modpacks. Day counter, Entity multiplier and entity spawn prevention (blocklist), day light resistance (no daylight burning), customizable zombie drops, zombies break blocks, and more.
The Zombie Conquest
Fight for your life in a world conquered by zombies!
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.
Zombie Tactics 2
zombie getting crazy
Wagi's Furry Villager
Changes the appearance of villagers, zombie villagers, and wandering traders into cute animals.
Slow Baby Zombies
Slows down baby zombies, instead of outright removing them
Trydeas: Meleez
+45 Melee Weapons with 3D Models for destroy Zombies! (or anything you want)
Undead Leather
Just another rotten flesh to leather mod.
Bray's Zombie Overhaul
Provide variety to the undead with custom textures and models for Zombies, Husks and Drowned. Requires EMF/ETF
Zombie Jerky
Turn Rotten Flesh into Zombie Jerky with the Smoker
Crops 'n' Corpses
A tower-defense and farming expansion hybrid mod inspired by the classic game, Plants VS. Zombies!
Zombies Break & Build
Allows zombie (and other mobs) to break and build blocks to reach their target!
Zombies Attack Every Entity
Makes zombies attack any other (non modded) entity except when a player is close.
Tameable Zombie Horse And Skeleton Horse
Make the Zombie Horse/ Skeleton Horse/ Dread Horse Tameable like normal Horses! They can also put on Horse Armor!
Angry Animals Tier Zombie Apocalypse forge/Neofrorge
the mod is based on the Angry Animals 2 mod and adds new bloody Angry mobs
Veyas Hardcore Mobs - Zombies
Makes Zombies way more difficult. Vanilla friendly.
TNT's Zombie Apocalypse
A simple, customizable, and vanilla friendly zombie apocalypse mod.
Dragonlich DS addon
Addon for Dragon Survival adding an undead species of dragon: the Dragonlich!
Zombies Eat Animals
Zombies hunt animals for food. Eating meat restores their health and helps them grow stronger over time.
Plants vs Zombies:Gospi Edition ( PvZ:GE )
This is my modification that adds plants and zombies in forge 47.2.0
Adult Zombies Only
Replace all baby zombies and similar with adults! Toggleable
Only Zombies Spawn
Makes only zombies spawn in the world by preventing all other hostile mobs from spawning, including from spawners.
No Zombie Villagers
Controls Zombie Villager Spawning
The Zombie Conquest - Easy Mode | You Can Revive!
Live the same experience as in The Zombie Conquest but being able to revive when you die!
Undopia Zombie Skins
Adds a Zombie, Husk and Drowned variant for each new Default Skin
Spooki's Unique Mobs
Integrations of 46 variant versions of classic minecraft monsters. New zombies, skeletons, spiders, oh my!
Drowned & Dried [horse variant]
6 new undead horses, and even more !
fem-zombies+
female zombies, husks and drowns
Fresh Undopia Zombie Skins
Make Undopia Zombie Skins compatible with Fresh Animations

Smelted Leather
Have you ever hated that some undeads only drop rotten flesh?
Zombie Apocalypse: Optimized
Lightweight modpack featuring a zombie survival in Minecraft!
Complete Baby Zombie Remover
Completely removes Baby Zombies. That's it.
Barched
Backporting Parched, Camel Husk, Zombie Horse, Spears and more features in 1.21.11 to 1.21.1!
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.
Create: End Times (Apocalypse) - With Create 6.0!
A Create and Addons modpack, focused on a horror theme!
Zombie Tactics
An overhaul of zombie AI, which allows them to break blocks and improves their tracking.