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Minecraft Java 1.21 Mods

Browse 604 free mods for Minecraft Java 1.21 — popular picks include Rotten Apples, Good'ol Weapons, Mixed loot entities.

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Rotten Apples
1.21.6

Rotten Apples

This Datapack Adds Rotten Apples to Minecraft, When you eat one near a mob with a Zombie Variant it Zombifys

24downloads
Good'ol Weapons
1.21.4neoforge

Good'ol Weapons

ever wanted to just go skibidi doom or maybe turn your pets into iron well now you can!

24downloads
Mixed loot entities
1.21.10

Mixed loot entities

This datapack will reshuffle all entity loot!

23downloads
Revenge of the COWS!
1.21.11

Revenge of the COWS!

If you kill a cow you die... It's a bit random isnt it...

23downloads
KyuTweaks
1.21.11

KyuTweaks

"Slight" Tweaks and Additions for vanilla survival.

21downloads
Stev's Halloween Mod
1.21.1neoforge

Stev's Halloween Mod

Adds a bit of Halloween spirit to Minecraft with autumn colors, spooky mobs, festive food items, and more!

20downloads
Survival+
1.21.9

Survival+

Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!

18downloads
Mob Rain
1.21

Mob Rain

It starts raining all items and all mobs, so be careful.

17downloads
Cobblemon: Furret Supremacy
1.21

Cobblemon: Furret Supremacy

This Project Is A Cobblemon Datapack That Increases Furret Spawns, Spawn Levels, And Replaces All Sentrets For Furrets.

16downloads
Actually Scary Creakings
1.21.11

Actually Scary Creakings

A small little datapack, made to make creakings legitimately a threat to the player.

12downloads
GambleHearts
1.21

GambleHearts

Risk your hearts after every kill. Kill a player, then gamble for more hearts or take the safe reward. Lose all your hearts and get banished to the Void where you must survive, kill mobs, and find the escape portal to return.

12downloads
Squid Improvements
1.15

Squid Improvements

Squids and Glow Squids will give effects when you try to attack them! Survival friendly addition to vanilla worlds

7downloads
Calamity Bosses
1.21

Calamity Bosses

20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.

1downloads
Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters
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 […]

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
1.21.1

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives

Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror
1.21.1neoforge

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror

Gigeresque Mod transforms Minecraft into a haunting and thrilling survival horror experience. By introducing creatures and elements inspired by H.R. Giger's iconic designs, this mod adds a layer of fear and excitement that stands out from typical gameplay. Deep underground, players can stumble upon black monolithic structures, ominous and foreboding in their design. These dungeons […]

S
1.21

Sprinting Crits

Get critical hits while sprinting!

2.8kdownloads
L
1.21.1fabric

LitePhysics

Realistic collapse, explosions, debris, item physics, and mob ragdolls make destruction feel alive. Builds fall naturally, blasts launch blocks, debris bounces, items tumble, and mobs slide, float, and fade away.

2.7kdownloads
B
1.21.1

BetterCreeperDrops-DataPack

Make Creeper drop TNT and more!

1.1kdownloads
T
1.21

The "UN-POSSIBLE" difficulty

A difficulty that's actually IMPOSSIBLE...Good luck, you will need it.

852downloads
Q
1.21.1neoforge

QuickWhisper

A terrifying Minecraft horror mod made on NeoForge that adds procedural jumpscares, creepy ambient sounds, and an immersive custom glitch menu.

547downloads
M
1.21.4fabric

MakeLichensUseful

Makes glow lichens useful by making them a non spider climable block.

274downloads
E
1.21.4fabric

Explodify

Explode any mob :3 (use flint and steel to make a mob instable or ice to stabilize the mob)

111downloads
P
1.21

Player Location Swapper

A simple lightweight Paper plugin that allows players to swap positions with each other using the /swap command.

94downloads
C
1.21.10fabric

Challenging Mobs

Makes mobs do double damage and tank more hits

75downloads
L
1.21

Lil' Timmy's Datapack

Just like little timmy levels, being hard by throwing unfair garbage at you

69downloads
B
1.21

baby spider

Adds baby spiders that spawn naturally. Adds naturally spawning baby spiders. Every spider has a 10% chance to spawn as a baby. Lightweight plugin that adds baby spiders. Adds baby spiders to your Minecraft server. Baby spiders with a 10% natural spawn cha

25downloads
Q
1.21.11

Quality of Life(DC)

Adds some quality of life features to improve our gaming experience!

20downloads
B
1.21.11

babyskeletons

A lightweight Paper plugin that adds small skeleton variants. Skeletons have a chance to spawn at 50% size while keeping normal skeleton behavior and AI. Works with natural spawns and spawn eggs.

17downloads
T
1.21.11fabric

The Mimic BETA

hi this is my first TRULY custom mod its not a port of ANYTHING lmao, this mod is about a mimic that well.. mimics you or your friends it also stalks you and learns about you although you will need an api from GROQ to work

2downloads