Minecraft Java 1.21 Mods

Browse 23 free mods for Minecraft Java 1.21 — popular picks include Zombie Hardcore [Forge/Neo], Veyas Hardcore Mobs - Zombies, Smart Mobs.

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23 mods

1.20.2forge

Zombie Hardcore [Forge/Neo]

Get ready to face thirsty zombies, they will break all blocks to get to you! Literally.

39kdownloads

1.21.8neoforge

Veyas Hardcore Mobs - Zombies

Makes Zombies way more difficult. Vanilla friendly.

19kdownloads

1.21.11fabric

Smart Mobs

Overhauls mob AI with wall-breaching creepers, sniping skeletons, and digging zombies in a highly configurable survival challenge.

5.0kdownloads

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.

4.3kdownloads

1.21.11fabric

World War Z - Zombie Evolution

World War Z, with more zombie mobs

3.7kdownloads

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

1.21.4fabric

Zombie Survival Mod (ZSM)

Survive for 10 days fighting zombies with unique abilities. As the days progress, stronger zombies spawn, culminating in a final boss. Players can craft items, build defenses, and face various challenges to stay alive.

2.7kdownloads

1.20.1forge

ZKQ – Zombie King Quest (Boss Fight + Structures + Progression)

Adds a powerful Zombie King boss, custom structures, Frux ore progression, and epic weapons for adventure-focused survival gameplay.

1.4kdownloads

1.21

Graveling Zombies

Zombies now drop gravel when killed, letting you double dirt easily and speed up your Skyblock builds!

869downloads

1.21

Zombie Drops OP Loot

Turn zombies into an overpowered loot source for intense and rewarding survival gameplay.

692downloads

1.21.11fabric

Better Rotten

BetterRotten adds a small but immersive way to recycle rotten flesh instead of letting it pile up in chests. Turn zombie drops into useful leather scraps, combine them back into full leather, and integrate the cycle into your survival progression. The mod

596downloads

1.21

ZombieSMP

Turns Minecraft into a contagious zombie survival experience: quadruple zombie spawns, explosive beds, and players who become zombies after infection. Perfect for custom server SMP events and dangerous nights.

327downloads

1.21

xApocalypse

A brutal, customizable zombie apocalypse plugin for survival servers

145downloads

1.21

NotQuiteDead

Become a zombie, husk, and drowned in survival!

65downloads

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

1.21.1

Infectious Mod CleanUp (Mocagem Survival Tweak)

Removes a lot of mobs and items that don't fit the "zombie apocalypse" aesthetic very well.

30downloads

1.21.1forge

Born in Chaos Mod (1.21.1, 1.20.1) – A Lot of Hostile Mobs

Born in Chaos Mod is a Minecraft mod that significantly increases survival difficulty by adding dangerous new mobs, structures, and equipment. It focuses on tactical combat, making every encounter require strategy instead of simple fighting. Features: New Hostile Mobs Large variety of enemies with unique abilities and behaviors Divided into 3 main types: Undead – […]

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 […]

1.21.11neoforge

Zombie Hardcore Mod (1.21.11, 1.20.1) – Forts Won’t Save You

Zombie Hardcore Mod transforms Minecraft into a zombie survival apocalypse. Zombies roam nonstop, now immune to sunlight, faster, and able to break blocks. With no other mobs around, your only focus is surviving the undead horde, especially during the Blood Moon every 7 days. Features: Stronger, faster, and block-breaking zombies. Zombies are active 24/7 and […]

1.20.2forge

Pie World

This modpack includes. Realistic health, cooking, animals, zombies/mobs.

583downloads

1.21spigot

xApocalypse - Zombie Apocalypse Survival Plugin [1.21] | 15+ Mobs | Blood Moons

A brutal, customizable zombie apocalypse plugin for survival servers

155downloads

1.21.1

Stealth and Alert Mod (1.21.1) – Sneak Past Mobs By Hiding in the Shadows

Stealth and Alert Mod brings a fun hiding system to Minecraft. This mod changes how monsters see and hear you, turning survival into a game of hiding in the shadows. You can sneak through tall grass, throw rocks to distract zombies, and avoid fights completely by staying out of sight. Features: Circular HUD: Adds a […]

1.21.1

Hominid Mod (1.21.1) – Survive Against Ancient Undead Monsters in Every Biome

Hominid Mod fills your world with ancient, long-gone human monsters. It replaces generic mobs in certain biomes with unique undead variants that match their surroundings. These new enemies bring different behaviors and combat styles to the game. You face fresh threats depending on where you travel, making survival harder and more unpredictable. Features: Biome-Specific Enemies: […]