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Minecraft Java 1.21 Mods

Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Maximum Difficulty, Happy Ghast Datapack Backport, Hollow Knight: Silkcraft.

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Maximum Difficulty
1.21.5fabric

Maximum Difficulty

A mod that increases the difficulty of Minecraft to its maximum, reaching 32-bit integer limits.

179downloads
Happy Ghast Datapack Backport
1.21

Happy Ghast Datapack Backport

A basic backport of the Happy Ghast to older versions of Minecraft through the use of datapacks. Multiplayer friendly

179downloads
Hollow Knight: Silkcraft
1.21.8neoforge

Hollow Knight: Silkcraft

Welcome to Silkcraft, this mod aims to bring the kingdom of Pharloom from Silksong into minecraft!

178downloads
Chaos Engine
1.16

Chaos Engine

Chaos Engine adds events to the server (UFO, meteorite, glitch events, and others), custom enchantments, and careers. The plugin also includes a weapon system, cases, a casino, and much more!

178downloads
Torch Protect
1.21

Torch Protect

Keep hostile mobs from spawning within a radius.

178downloads
Bat Leads
1.21neoforge

Bat Leads

This mod allows you to use the lead on bats!

178downloads
Hunters Vs Fugitive
1.21.11fabric

Hunters Vs Fugitive

A competitive minigame mod where hunters must track down a fugitive using unique abilities and stress mechanics.

177downloads
MobSpawnBlockerPL
1.21

MobSpawnBlockerPL

MobSpawnBlocker is a lightweight plugin for Paper, Spigot, Bukkit, Purpur & Folia that allows you to block specific mobs from spawning using an easy-to-edit config.yml.

177downloads
MONEY-MONEY
1.21.1

MONEY-MONEY

Adds a simple money system to Minecraft. Earn money from mobs and use 100 / 1,000 / 10,000 bills with a control book.

177downloads
Fazbear Rising
1.21.4neoforge

Fazbear Rising

Brings the world of FNAF to minecraft in it's style!

177downloads
MythicKorra - Advanced ProjectKorra & MythicMobs Integration Addon
1.19spigot

MythicKorra - Advanced ProjectKorra & MythicMobs Integration Addon

Expand your MythicMobs bosses with element-based mechanics, statuses, conditions and more!

177downloads
Empire
1.21.1neoforge

Empire

The plan is to have various creatures form their own empires. A lot of special equipment from different empires has been added.

176downloads
RPG Loot Reforged
1.21.4

RPG Loot Reforged

A fork of LostPuppet's remake of Michael9r9r's rpg loot system. Every weapon has unique stats and abilities.

176downloads
Natural Armor│天然鎧甲
1.21.9

Natural Armor│天然鎧甲

Turtles and armadillos now have higher defense.│海龜和犰狳現在擁有更高的防禦力。

176downloads
Trial Chambers
1.21

Trial Chambers

A PVP & PVE Datapack based on the new Trial Chambers

176downloads
Illager Update
1.21.8

Illager Update

Improving the current mechanics of vanilla pillagers, traders and more illager related content.

175downloads
VANILLA-ELARGE [Utilitarian perspectives]
1.21.1neoforge

VANILLA-ELARGE [Utilitarian perspectives]

A Minecraft Vanilla DLC experience

175downloads
DTC - Destroy The Core
1.19

DTC - Destroy The Core

A competitive PvP event where players must destroy the core to earn rewards.

175downloads
monsters-dont-burnin-the-sun
1.21.5fabric

monsters-dont-burnin-the-sun

Monsters no longer burn

175downloads
Always Cooked Food
1.21.2

Always Cooked Food

A datapack that makes animals always drop cooked food when killed instead of raw food. (Quality of life)

174downloads
Fast Creeper
1.21.8fabric

Fast Creeper

Adds customizable, extremely fast creepers with configurable explosion modes (normal, charged, or End Crystal-level) via gamerules.

174downloads
Portable allays
1.21fabric

Portable allays

A mod improving the portability of allays

174downloads
BackAlert
1.21.1fabric

BackAlert

Warns you when hostile mobs approach from behind.

173downloads
Wolf Drops│狼掉落物
1.21.9

Wolf Drops│狼掉落物

Wolf will drop Bone when killed.│狼被擊殺時會掉落骨頭。

173downloads
Wither Rose Tweak│凋零玫瑰調整
1.21.9

Wither Rose Tweak│凋零玫瑰調整

Wither Rose's damage rate is changed to 1 second.│凋零玫瑰的傷害速率變為1秒。

173downloads
euclidia
1.21.1neoforge

euclidia

Adds Neural Network Powered Epic Fight Mob Combat

172downloads
Origins: Revenant
1.21

Origins: Revenant

Origin datapack that adds the Revenant, an origin based on the Stray.

172downloads
UltraEvolution
1.20

UltraEvolution

🧠 Transform Minecraft mobs into intelligent, adaptive civilizations that learn, evolve, raid, build secret bases & upgrade gear. No more dumb mobs — ever.

172downloads
TurnMobsToEggs
1.21.11fabric

TurnMobsToEggs

This is a very basic mod that I created that allows you to simply throw an egg at any mob that has a spawn egg and they will disappear and drop their spawn egg! Purpose for this: I had a plugin way back when that allowed me to do this. I used it a lot!!

172downloads
BattleFoxes (polymer)
1.21.11fabric

BattleFoxes (polymer)

Tame and upgrade Fox companions, fully vanilla client compatible!

172downloads
VillagerRepopulation
1.21

VillagerRepopulation

Makes villagers spawn naturally over time in villages. You can get them back now!

172downloads
Better Spawn Eggs craft
1.16.2

Better Spawn Eggs craft

This data pack adds the ability to craft spawn eggs and spawners

172downloads
Reach Enchantment
1.21.2fabric

Reach Enchantment

A vanilla datapack that adds a Reach enchantment, letting you hit mobs from further away.

171downloads
Harder
1.21.8fabric

Harder

Makes Minecraft a harder game.

171downloads
EditVillagers Plugin
1.21.5

EditVillagers Plugin

The easiest way to create a Trader in Minecraft!

171downloads
Villager Panic
1.21.1neoforge

Villager Panic

Villagers now react more realistically to violent players

170downloads