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Minecraft Java 1.21 Mods

Browse 12,305 free mods for Minecraft Java 1.21 — popular picks include [1.20.x - 1.21.x] Force Battle | Item, Mob, Biome, Advancement, Height, Mob Madness - A World of Chaos, MobHarvest.

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[1.20.x - 1.21.x] Force Battle | Item, Mob, Biome, Advancement, Height
1.21spigot

[1.20.x - 1.21.x] Force Battle | Item, Mob, Biome, Advancement, Height

Features Force Item, Force Mob, Force Biome, Force Advancement and Force Height.

4.9kdownloads
Mob Madness - A World of Chaos
1.21.11

Mob Madness - A World of Chaos

Grab your sword and shield! Hostile Mobs now have a 5% chance to spawn as an Augmented version. Augmented versions are considered ELITE versions of the vanilla mob. Augmented mob will have increased attributes, and a potential to inhibit custom behaviors.

4.8kdownloads
MobHarvest
1.21.11fabric

MobHarvest

MobHarvest automates mob combat and farming. It detects nearby enemies, defeats them, and gathers drops for you, making farming faster and smoother without breaking game balance.

4.7kdownloads
Cr3zyTown S3 Unofficial
1.21.1neoforge

Cr3zyTown S3 Unofficial

Modpack Add Crazy stuff, bloc, mobs and lot of other crazy things

4.7kdownloads
World Guaridans
1.21.1forge

World Guaridans

Adds warriors to protect your world!

4.7kdownloads
The Lively Mimic Dweller
1.21.1neoforge

The Lively Mimic Dweller

A mimic dweller that actually wears the player's skin!

4.6kdownloads
Tensura: L2Hostility
1.21.1

Tensura: L2Hostility

Adds L2Hostility scaling and traits to Tensura: Reincarnated and Tensura: Not Enough Bosses mobs.

4.6kdownloads
My Warden Expansion
1.19.2fabric

My Warden Expansion

I have added a new wardon type entity and a wardon ray which lets u shoot the warden sonic beam.

4.5kdownloads
No Sonic Boom (Togglable)
1.21.4neoforge

No Sonic Boom (Togglable)

Adds a Option to disable/enable the Sonic Boom Attack

4.5kdownloads
Ethereal Grove (ARCHIVED)
1.21.11fabric

Ethereal Grove (ARCHIVED)

(Datapack packaged as mod) This project is a datapack inspired by The Twilight Forest mod. Bringing veteran player nostalgia into a future vision of what the The Twilight Forest may look like.

4.4kdownloads
void.jar
1.21.1neoforge

void.jar

A mod meant to be paired with The Broken Script (cannot be used without it as some events would break). Adds multiple more entities such as "Void".

4.4kdownloads
Calibrated Spawners Expanded
1.21.11fabric

Calibrated Spawners Expanded

A mod that let you calibrate and customize mob spawners.

4.4kdownloads
TF2 Voiceline Overhaul Pack
1.17.1

TF2 Voiceline Overhaul Pack

This Sound Pack changes the sounds of many mobs and a few other sounds into different TF2 Characters

4.3kdownloads
My Zombie Pet (Fabric/Forge/NeoForge/Quilt)
1.21.4fabric

My Zombie Pet (Fabric/Forge/NeoForge/Quilt)

Summon your own zombie pet to protect you!

4.3kdownloads
Better Auto Third Person
1.21.11neoforge

Better Auto Third Person

Auto Third Person is a mod that automatically switches your camera to third person view when riding animals and vehicles or using Elytra.

4.2kdownloads
Draconic Archer's Golems
1.21.1forge

Draconic Archer's Golems

New Golems from different metals, with different abilities, to protect your base and villages

4.2kdownloads
Dwellers Of The Deep
1.19.2neoforge

Dwellers Of The Deep

Adds 3 sea creatures and 1 penguin-like creature to scare you

4.1kdownloads
Jurassic Genesis
1.21.1neoforge

Jurassic Genesis

A Mod that allows you to use Genetic Engineering and to create your own dinosaurs giving the player the chance to revive extinct creatures.

4.1kdownloads
Cicada Insect (Full Life Cycle)
1.21.1neoforge

Cicada Insect (Full Life Cycle)

Adds the cicada insect with all stages of their life to Minecraft! Inspired by the periodical cicada swarm!

4.0kdownloads
Tensura X L Cataclysm X Mowzies mob
1.21.1

Tensura X L Cataclysm X Mowzies mob

Ep + Abilities for predation purposes

3.9kdownloads
Ethan's Stands (JoJo's Bizarre Adventure: Stardust Crusaders)
1.17.1forge

Ethan's Stands (JoJo's Bizarre Adventure: Stardust Crusaders)

A Mod with 5 stands from JoJo's: Stardust Crusaders.

3.9kdownloads
Bordercraft: Expanded
1.21.11

Bordercraft: Expanded

Start with a 1x1 border in any world you want. Each new item/advancement/mob/structure expands the border.

3.8kdownloads
Half life ultimate pack
1.21.4neoforge

Half life ultimate pack

Ultimate Half-life themed mod - weapons, mobs

3.8kdownloads
Super Better Sleep InfinixMc
1.20.1forge

Super Better Sleep InfinixMc

A Minecraft 1.21.1 mod that redefines sleeping mechanics for multiplayer servers, allowing configurable player thresholds to skip the night with customizable messages and seamless dawn transitions.

3.8kdownloads
Create Mobile Packages addons
1.20.1forge

Create Mobile Packages addons

Create: This is an Addon Mod that allows you to adjust the balance of Mobile Packages via the config.

3.8kdownloads
AI Gods
1.21.5neoforge

AI Gods

Do you want an all knowing AI gods in your game? Then download this mod with Player2 App. This also serves as a Demo of how to use the Player2 API to integrate AI chat services into minecraft

3.7kdownloads
FTR-Project
1.21.1neoforge

FTR-Project

This is a modpack that combines several elements and is also supposed to go more in the RPG, including things like technology, magic, extra things to beautify the buildings and also animals, the world also looks much different.

3.6kdownloads
Dona's Fantasy Plantations
1.21.1neoforge

Dona's Fantasy Plantations

This mod adds a variety of whimsical plants that you can cultivate and find throughout the world.

3.6kdownloads
Fantastic Fishery
1.21.1neoforge

Fantastic Fishery

An addon for Hybrid Aquatic that adds various imaginary fish

3.6kdownloads
Redstone Robot (Fabric/Forge/NeoForge/Quilt)
1.21.5fabric

Redstone Robot (Fabric/Forge/NeoForge/Quilt)

Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!

3.5kdownloads
Mermaidia Culture (In Progress)
1.21.1forge

Mermaidia Culture (In Progress)

A Tropical Mod that adds new ocean themed blocks, variants to already existing blocks, mermaid tails, mobs, and more!

3.5kdownloads
Cavernous Repackaged
1.21.5fabric

Cavernous Repackaged

Repackaged version of Cavernous

3.5kdownloads
Corner Horror Entity
1.21.1fabric

Corner Horror Entity

is an atmospheric horror mod that turns your peaceful Minecraft survival into a nerve-wracking experience. You will never feel truly safe again, as something is watching you from the shadows, waiting for the perfect moment to strike.

3.4kdownloads
Dimensional Temples
1.21fabric

Dimensional Temples

I have added 3 dimensional temples that have 3 different kinds of golems protecting them.

3.4kdownloads
Operation: Starcleave Redux
1.21.1fabric

Operation: Starcleave Redux

Cleave open the sky, and unite Earth with the Heavens.

3.3kdownloads
The Sleep Stalker
1.21.1forge

The Sleep Stalker

A horror mob that ruins your sleep, is affraid of light and gives you sleep paralisys

3.3kdownloads