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Minecraft Java 1.21 Mods

Browse 13 free mods for Minecraft Java 1.21 — popular picks include LUMINOUS: MONSTERS, Zombie Horde Event + Kamikaze Anti Skybase Phantoms, Smart Zombies.

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LUMINOUS: MONSTERS
1.21.1neoforge

LUMINOUS: MONSTERS

LUMINOUS: Monsters brings 12 new Zombie and Skeleton variants to the base game, each in their own respective environment. All 12 of these variants can be found in my other mod - LUMINOUS - but this mod is just for those looking to fight these undead foes!

1.1Mdownloads
Zombie Horde Event + Kamikaze Anti Skybase Phantoms
1.21.1fabric

Zombie Horde Event + Kamikaze Anti Skybase Phantoms

A server side only fabric mod that that adds a horde event that happens every 7 ingame days.

1.4kdownloads
Smart Zombies
1.21.1fabric

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.

32downloads
zombieguard
1.21.11

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

23downloads
Gamingbarn's Zombies Mod (1.21.11, 1.20.6) – Faster, Stronger, and Expandable Zombies
1.21.11fabric

Gamingbarn's Zombies Mod (1.21.11, 1.20.6) – Faster, Stronger, and Expandable Zombies

Gamingbarn's Zombies Mod redefines gameplay by replacing default monsters with highly powerful, fast, and adaptable zombies. These enhanced zombies have special abilities, including block-breaking, acid-spitting, and bridge-building. Water becomes a new danger zone as Water Zombies spawn day and night, moving with extreme speed in aquatic environments. Fire serves as the primary weakness for most […]

The Hordes Mod (1.21.1, 1.20.1) – Massive Zombie Attacks and Infections
1.21.1neoforge

The Hordes Mod (1.21.1, 1.20.1) – Massive Zombie Attacks and Infections

With The Hordes Mod, players have the power to configure their gaming experience like never before. Nights can be transformed into battlegrounds as hordes of monsters surround your base in relentless waves from midnight until morning. Features: The best part? You decide the types of creatures that will haunt your nights, making every encounter unique. […]

Mob Spider Climb Mod (1.21.1, 1.20.1) – Ground-Based Mobs Now Climb Walls
1.21.1forge

Mob Spider Climb Mod (1.21.1, 1.20.1) – Ground-Based Mobs Now Climb Walls

Mob Spider Climb Mod allows ground-based mobs, such as zombies, to climb walls like spiders. This feature increases the challenge of defending your base as mobs are no longer stopped by simple walls. It pairs well with other mods that add block-breaking behaviors or block physics. Features: Gives ground-based mobs the ability to climb walls. […]

Z
1.21.1fabric

Zombie Horde Event + Anti Skybase Phantoms

Small server side fabric mod i made for my server

266downloads
RealisticSunBurn
1.21.1neoforge

RealisticSunBurn

Undead mobs burn based on the real sun direction, not just sky light. Walls, buildings and terrain now cast real shadows.

7.2kdownloads
Saffron Timber Heights Mod (26.2, 1.21.1) – Build a Peaceful Haven
1.21.1

Saffron Timber Heights Mod (26.2, 1.21.1) – Build a Peaceful Haven

Saffron Timber Heights Mod introduces a new aspen forest biome filled with golden trees and unique flora. This mod brings a safe space where undead mobs cannot spawn, making it a peaceful habitat for foxes and bees. You can harvest a brand-new type of timber to craft fresh building blocks, doors, and decorations. Along the […]

Botanical Undead Legions Mod (1.21.1) – Grow Fighting Crops to Defend Your Base
1.21.1

Botanical Undead Legions Mod (1.21.1) – Grow Fighting Crops to Defend Your Base

Botanical Undead Legions Mod brings fighting plants and zombie defense battles from Plants vs Zombies into your Minecraft world. It lets you collect wild botanical items, grow defensive crops, and protect your home against monster attacks. You can explore fresh forests, set up productive garden plots, and unlock living botanical allies with unique combat skills. […]

Gravestone Extended Mod (26.1.2, 1.21.11) – Death Marker and Loot Recovery
1.21.11

Gravestone Extended Mod (26.1.2, 1.21.11) – Death Marker and Loot Recovery

Gravestone Extended Mod is an addon of Gravestone Mod, which consist of additional blocks (such as memorials, spawners, skull candles, and e.t.c), structures(cemeteries, undertaker house, catacombs, and e.t.c) and monsters. Screenshots: Cross Obelisk Celtic Player Steve Villagers Angel Dog Cat Creeper Mossy Wither spawner Skeleton & Zombie spawners Spider spawners Opened grave Cemetery Undertaker House […]

Mebahels Creatures Draugr Invasion Mod (1.21.11, 1.20.1) – Adds Nordic Undead Enemy Raids
1.21.11

Mebahels Creatures Draugr Invasion Mod (1.21.11, 1.20.1) – Adds Nordic Undead Enemy Raids

Mebahels Creatures Draugr Invasion Mod adds a new group of undead enemies based on Nordic stories to your game. It brings different types of ancient warriors, a big boss, magic items, and new buildings to fight through. You can even start your own enemy raids to get special rewards. Features: Draugr Raid System: Kill enemies […]