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Minecraft Java 1.21 Mods

Browse 12,367 free mods for Minecraft Java 1.21 — popular picks include [MobArena Addon] HavenArena - Extra Customizable Features, Escape The backrooms | Entity, MobHealthBars.

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[MobArena Addon] HavenArena - Extra Customizable Features
1.20spigot

[MobArena Addon] HavenArena - Extra Customizable Features

Add extra customizable features to your MobArenas, including new boss abilities and monster glow.

1.2kdownloads
Escape The backrooms | Entity
1.21.8neoforge

Escape The backrooms | Entity

A mod that adds 15 more entities from the original Escape the Backrooms game.

1.2kdownloads
MobHealthBars
1.21

MobHealthBars

Adds dynamic healthbars to mobs without modifying their names

1.2kdownloads
Care For Them
1.21.1neoforge

Care For Them

Bring Xoonglins to your world! Build homes, meet their needs, and watch their civilization grow. Fully customizable and perfect for modpacks!

1.2kdownloads
Ben's Monster Energy Mod
1.21.1neoforge

Ben's Monster Energy Mod

All the Monster Energy you could ever want... and Beer too for some reason.

1.2kdownloads
Better craftable beacons
1.20.1fabric

Better craftable beacons

A simple mod that adds two crafting recipes for the nether star so you can easily craft a beacon early without having to kill the wither

1.2kdownloads
No attack time delay
1.21.3

No attack time delay

Reverts combat system to pre-1.9. Supports 1.21.3

1.2kdownloads
No Trader Llama ❌
1.13

No Trader Llama ❌

Disable Trader Llama in Minecraft by preventing its spawning and removing any that appear in the world

1.2kdownloads
Feathers & Golden Eggs
1.21.2

Feathers & Golden Eggs

Chickens shed feathers and lay eggs--and occasionally, gold nuggets

1.2kdownloads
MGAMES SCPs - DAY ZERO
1.20.1forge

MGAMES SCPs - DAY ZERO

Build your own site while discovering what's been left behind by the foundation! Many SCPs to Secure, Protect and Contain!

1.2kdownloads
Effect Sounds│效果音效
1.21.9

Effect Sounds│效果音效

Special sound effects will be produced when the effect is obtained.│當獲得狀態效果時會播放特殊音效。

1.2kdownloads
More Passive Mobs
1.21

More Passive Mobs

More Passive Spawns increases the amount of passive animals in your world by periodically spawning small groups of sheep, cows, pigs, and chickens in the Overworld. The datapack stays vanilla-friendly while making the world feel more alive and natural.

1.2kdownloads
Muddy Pigs
1.21.5

Muddy Pigs

A Datapack and Rescource pack that adds Muddy Pigs in the Swamp Biomes

1.2kdownloads
MinMaxTrades
1.14

MinMaxTrades

A paper plugin which sets the villager trade prices for enchanted gear to the lowest vanilla value, while setting the enchantment level for books to the maximum vanilla value.

1.2kdownloads
Variant Lib
1.21.5neoforge

Variant Lib

A library for data-driven mob variants. Usable by both datapackers and modders!

1.2kdownloads
InstaKillMobs
1.7.2

InstaKillMobs

Instantaneously kill mobs with hand.

1.2kdownloads
HEY! Villager that is my bed!
1.21.10neoforge

HEY! Villager that is my bed!

Stops villagers from using your own bed!

1.2kdownloads
Bedrock Jockey
1.21forge

Bedrock Jockey

This mod makes baby zombies seek out Bedrock exclusive mounts so they can become jockeys.

1.2kdownloads
Bramble Mob
1.21.5

Bramble Mob

A parkour-based hostile mob in the Blaze & Breeze family

1.2kdownloads
Elderly Guardians
1.21.4neoforge

Elderly Guardians

Renewable sponges. Thunders convert Guardians to Elder Guardians

1.2kdownloads
MineBeast [MCREATOR/OLD]
1.21.1neoforge

MineBeast [MCREATOR/OLD]

A RPG mod that brings back the fell that old orespawn and AoA had in a original way

1.2kdownloads
Upgradeable Iron Golems
1.21.5

Upgradeable Iron Golems

Craft upgrades for iron golems to unlock new abilities or just improve their stats.

1.2kdownloads
thewatcher.jar (official)
1.21.8neoforge

thewatcher.jar (official)

Hello! I'm watching you! Here I am!

1.2kdownloads
OP Mob Drops
1.21.1

OP Mob Drops

Makes all mobs drop op loot

1.2kdownloads
skillsystem
1.21.11

skillsystem

A classic MMO-inspired skill-based progression system for Minecraft. Features 40+ skills, 8-circle magic system with spellbooks and reagents, crafting quality tiers, thief skills, animal taming, and bidirectional gate travel portals.

1.2kdownloads
Wither Shopkeeper
1.20.2fabric

Wither Shopkeeper

This creature will spawn in most biomes and hunt you down. It is not as bad as it looks though.

1.2kdownloads
Hud Keys
1.21.11fabric

Hud Keys

A simple Minecraft Fabric mod that adds MOBA like visible key binds to the hotbar.

1.2kdownloads
mobdangueons
1.20.2fabric

mobdangueons

This mod adds new dungeon-themed mobs to enhance your Minecraft adventures with more danger and excitement.

1.2kdownloads
Mo´Infected
1.21.4neoforge

Mo´Infected

the mod adds several types of zombies

1.2kdownloads
No Zombie Nautilus ❌
1.13

No Zombie Nautilus ❌

Disable Zombie Nautilus in Minecraft by preventing its spawning and removing any that appear in the world

1.2kdownloads
Herobrine Horror Project
1.21.4

Herobrine Horror Project

The best Minecraft horror plugin for 1.21.4 Spigot that lets you troll your friends or create a YouTube video with scary ambience sounds and horror effects.

1.2kdownloads
Varied Mob Sizes
1.21

Varied Mob Sizes

Randomly changes all mobs' size slightly for a more emmersive world!

1.2kdownloads
Dynamic Performance
1.21.11neoforge

Dynamic Performance

A lightweight performance mod that keeps gameplay close to vanilla with adaptive view distance, simulation distance, and mob cap based on the server’s MSPT.

1.2kdownloads
Hobbit
1.21.4neoforge

Hobbit

This is a mod featuring the Man in the World of Hobbit! There is field to cover

1.2kdownloads
Lost in Dreamland(迷失梦域国)
1.21.4neoforge

Lost in Dreamland(迷失梦域国)

Add a series of new things.Including a new dimension.

1.2kdownloads
Sniff Trail - Unique Rideable Sniffer
1.21.4neoforge

Sniff Trail - Unique Rideable Sniffer

Automatic movement using a sniffer!

1.2kdownloads