Minecraft Java 1.21 Mods
Browse 1,416 free mods for Minecraft Java 1.21 — popular picks include Common-Fish, Guinermod, Troll Chest.
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Common-Fish
Tropical fish Advancements - Fish goes weeeeeeeeeeeee
Guinermod
Survive a world invaded by the Guiners, new daylight enemies that spawn in large groups, and much more.

Troll Chest
Hmmmm.... What Could Go Wrong?
Osimu Boss Fights
This mod adds very unforgiving bosses and cool rewards. Most of them will be glass cannons, strength alone won't be enough.
Gander's Dumb Weapons
GanderBeam Added Youtube Comment's Dumb Weapon Ideas To Minecraft!

Center of the World
Makes all mobs know your location at all times
Nerfed Elder Guardian
Small mod that lowers elder guardians radius for giving a player mining fatigue from 50 to 10 blocks
hotbar pets
add a diamond, emerald, and amethyst hotbar pet
Concept
Adds various chaotic features that were suggested to me!
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
MySilkSpawners
Take your spawners wherever you want. Enchant your pickaxe, mine any spawner without destroying it, and rebuild it somewhere else, with cost and drop chance fully tailored to your needs.
Shizophrenia
Makes you question everything.

Spider Bow
This project adds a Spider Bow to the combat area of vanilla Minecraft in which being shot by this arrow cobwebs the victim and makes them stuck.
Cave Dweller NeoForged
Adds a horrifying monster, and some cave sounds to NeoForge 1.21.1
Transmitter Pearl
Have you ever wanted the ability to swap the position of 2 mobs with one simple device?

The Voobious Mod
a mod that includes some biomes and mobs with recipes and a dimension to go with it
Brad's Pigs
A Minecraft mod that adds crazy pigs. Try it out or you're bacon me crazy.
⚡EvilMobs - Create your custom bosses
Multifunctional Bosses with simple configuration
Sharks Rubber Chicken addon
A mod that is all about RUBBER CHICKENS. It adds 1 new item, 2 new tools, and 1 new mob
He Sounds Just Like New York
A challenge mod made in a little over 40 minutes. My prompt was "New York." [ARCHIVED, DON'T PLAY!]
Pesky Vexes
Datapack that makes vexes not die after 5 min when named preserve
Doxbro's Things Mod
A cheaply made mod I made with Mcreator.
Learnopolis
A new world full of instruments and enemies!
Lot's-a-Steves!
A mod that adds a bunch of wonky steve variants!
TougherThanLlamas
The modern reincarnation of the hardest mod ever created for Minecraft
Foxxy's Floating Mobs
Naming a mob "Dinnerbone" makes them defy the laws of physics and float
Gimcraft
A mod created for the loyal followers of the gim troupe. Adds many gim-related features.
Summon-Shaped Recipes
Craft the spawn eggs of the iron golem, snow golem, copper golem, and wither.
Horsie's cursed Head
I created this mod after having a random thought on the toilet: what if a sword had a horse’s head? So… here it is.

The World Of Bob
A silly mod themed around a new mod named bob, that adds bob versions of Minecraft mobs and even a bob dimension!
Weird_Update
This mod is Intense and weird...
Monster Rework Resource Pack
Resource pack for Monster Rework datapack.
Creepers Spawn On You Every 10 Seconds
Causes creepers to spawn on all players every ten seconds
Chaotic Cows
If you hit cows, strange things can happen.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
Boom Chickens
This mod adds explosive chickens to minecraft