Minecraft Java 1.21 Mods
Browse 363 free mods for Minecraft Java 1.21 — popular picks include ZombieChaos, Undead Sunscreen, yTrain.
Updated daily
ZombieChaos
Adds unique zombie variants made in a seamless Vanilla+ style with custom models and tactical abilities.
Undead Sunscreen
Prevents mobs from burning in daylight unless their entity ID is added to a configurable vanilla-behavior blacklist.
yTrain
Train Against Custom Zombies with Ease
FLESH & ASH
Uncover the horror of the Flesh and Ash. Face an evolving army of bloody zombies and strange grey leaders!
Undead Steve
This mod adds a basic undead steve mob that fights the player.
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.
backroomsentity7's Additions
This project adds new zombie varients, an enchanted apple (not gold), and more.
Undead Alliance
Turn zombies into loyal companions with trust, personality, and smart AI. Recruit, command, and survive together in Minecraft.
pissen.png
A texture made for a private minecraft server, contains a lot of internal jokes. Maybe it's fun to pass the time. Change textures like paintings, the sun and moon, mobs like zombies, skeletons, ravengers, chickens,pigs, random items and more
Vanilla Mob Remake
## Overview The Vanilla Mob Remake mod enhances the AI of various Minecraft mobs. Currently, the AI systems for zombies, spiders, and witches have been completed, with more mob AI systems under development.
Undead Transformation
Zombie transform into husk if died by the sun and skeleton transform into bogged if in contact with water for too long
Get Ricked
A fabric mod that adds an enchantment that spawns helper zombies, called "ricks", that help you defeat the enemy
Browngurus mob pack
A resource pack that replaces skeleton and zombie mobs with custom mobs i made up
NoMoreLeaders
Entirely removes the Zombie leader HP buff without having to lower your difficulty
NerfJockey
This plugin nerfs baby zombies
Hidden History
This datapack adds the charming Moobloom and three dangerous new jockeys: Dolphin with Drowned, Ocelot with Baby Zombie, and Piglin riding a Hoglin.
Remove Lava Chicken Drop
Removes the "Lava Chicken" disc from the Zombie loot table.
ZombieTactics-Profiled
A reworked fork of Zombie Tactics that restructures the original block-breaking system into configurable, entity-specific mining profiles, allowing different and custom NPCs to use individually adjusted parameterized behavior.

Zombie Syringe
a syringe that can transfer zombie (husk,drowned) blood to villagers
NotQuiteDead
Become a zombie, husk, and drowned in survival!
Zombie Horse Traps
Adds Zombie Horse Traps into Minecraft!
F*** baby zombies
Makes baby zombies exactly 1.001 block tall, severely nerfing them by preventing them from going through 1 block gaps.
Zombies attack Pink Sheep
Like in A Minecraft Movie, zombies will attack pink sheep
Coral Nautilus
Have you ever thought that, Hey! There should be a Coral Nautilus just like the Zombie Coral Nautilus. Well, this mod adds just that!
Tricks and Treats
This is a mod meant for halloween time, adding a lot of cool features for all Minecrafters! Loot villages for candy, or wait for nighttime, and see cool zombies with pumpkin heads, and spiders laying webs!
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.
lightning rod zombie
A zombie that can summon lightning and heal itself.
Villager Eggs
Add two recipe (villager and zombie villager) and two advancement.
Smart Zombies
Fabric‑based 1.21.1 mod making zombies intelligent: wall‑breaking, gap‑parkour, horde spawning, skeleton turrets, creeper‑throwing, emergency escape, backup calls, item‑picking, base sabotage and variable stats & sizes.
Rotten Apples
This Datapack Adds Rotten Apples to Minecraft, When you eat one near a mob with a Zombie Variant it Zombifys
Infectious Mod CleanUp (Mocagem Survival Tweak)
Removes a lot of mobs and items that don't fit the "zombie apocalypse" aesthetic very well.
Mob Enhancement Plugin【1.21.7-1.21.4】
This plugin enhances hostile mobs like zombies.【このプラグインはゾンビのような敵性モブを強化します。】
endofday-renew
"Zombie Outbreak" Gameplay Mod (for Newer Versions)
zombieguard
this its a zombieguard mod,you can spawn a costum zombie that will patrol an era this can abe very useufel fro costum building but becarfule he can go thought walls

Void Beasts
It changes the textures of mobs like zombie creeper wither and spider
Undead Unleashed - Spawn Weight Config
A simple ready to edit datapack template to modify spawn weights and counts for Undead Unleashed mobs.