Minecraft Java 1.21 Mods
Browse 1,431 free mods for Minecraft Java 1.21 — popular picks include Monster Energy Can Potions, O I I A, Elite Mobs Dante's Inferno Completed.
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Monster Energy Can Potions
Replaces potions with Monster cans.
O I I A
Makes mobs spin when you look at them
Elite Mobs Dante's Inferno Completed
Elite Mobs is a Minecraft mod that introduces powerful “elite” variants of hostile mobs. These enemies spawn during the night or can be summoned with a command for testing. Elite mobs have increased health and strength
Shopping Cart Boats
Replaces boats with shopping carts pushed by Minecraft mobs
Sable: MaidRagdoll
A mod that turns maids into ragdolls.
From the code
A horror mod that tells the story of a new script that is somehow related to Notch...
CustomDisasters
Custom Disasters is a Paper plugin that adds dynamic world events like Blood Moons, Zombie Apocalypses, and Nether Breaches, each transforming gameplay with unique mob behavior and atmospheric world effects.
Galaxia's mod folder
Galaxia's epic mod folder for Crystal PvP
Sanity System
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
Create: Rackets
Slap mobs with manufactured rackets!
Mobs Revenge
The mod adds new mobs, items, and tools with special properties.

1.21.7 Backport (Lava Chicken Backport)
Port of the new 1.21.7 features to older versions
Subota
Subota is a horror mod that brings terrifying desktop-level events, jumpscares, and loud sounds to your Minecraft world.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
Eyes in the Dark
Resource Pack that makes all mob eyes glow in the dark
Mobs Love Darkness
This mod gives certain mobs a chance to fixate on and destroy nearby light sources, creating dangerous dark zones and rewarding players who pay attention.
Eat Villagers
Wandering Trader & Villagers drops meat and you cat eat it - new Food
Fetal Strike
Enchantment to increase damage dealt to baby mobs
Bedrock Wither
Adds Bedrock Withers to Minecraft?
Rare OP Mobs
Rare overpowered mob spawns with random enchants and potion effects that are beyond vanilla limits.
In The Forest (SirenHead)
This mod adds Siren Head by Trevor Henderson to your world
CreepyPasta Legends
Creepy Monsters awaken, Haunting players With Dark Legends and Fear.
Halloween Tweaks
Small and minor halloween-related tweaks to make your game spookier!
The Broken Script Extension
This mod is an extension to the "the broken script" mod featuring 12 new Entities, 2 Items, a new block and a new dimension.
WildLife
A recreation of the WildLife series by Grian!
Minecraft Dumb Ideas (MDI)
Ever wanted to throw bricks at villagers, drink Redbull and levitate, or brew the world’s longest-named Starbucks drink from a custom coffee machine? No? Well too bad. This mod adds that — and a whole lot of regret.
Can't Sleep
Some nights shows a message similar to "There are monsters nearby" and blocks sleep until the next day. Easily configurable.
The Midnight Lurker NF
This is an unofficial mod port from forge to neoforge 1.21.1!
The Backrooms: Found Footage
A realistic, multiplayer-compatible, mind bending backrooms mod with infinite replayability.
The Spirit Of The Harvest Moon
Are you a true farmer?...
Polluted Rain
Random things fall out of the sky!
HardER
Just pure Minecraft, but harder. Just like the old days. No new items. No new mobs. Just harder.
Alpha 1.0_13
err.NULL.type==GUN.d13
oSzoukaua's: XP is Bottles!
Mobs will now drop XP bottles that contain the exact amounts of XP the mob dropped!
Zombalypse
A zombie apocalypse plugin, it also adds "custom" zombies.
Spooky Scary Thunderstorms
Creepers may spawn as Lightning Targets now, and Thunderstorms can be conjured with Ominous Bottles!