Minecraft Java 1.21 Mods
Browse 607 free mods for Minecraft Java 1.21 — popular picks include Soulified, Flatuence Update, Kappa's AntiCheat.
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Soulified
In the world of Dark, mercy is a myth, and every shadow hides death. Git gud, or die trying
Flatuence Update
Players and Mobs now have the ability to pass gas.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Herobrine Mode
Play as Herobrine and explore a cursed world
Illagers Attack Babies
Illagers now attack baby villagers. Because why not.
Sizeable Creeper
Just a datapack that spawn creeper at different size
ForceField
Push pesky players, mobs, and even blocks away from yourself!
Wither Loot
Adds better custom loot dropped by the wither
PVP hitboxes
🗸 This mod changes vanilla hitboxes (F3+B) for PVP.
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
Shearing Sheeps Drop op loot
Shear a sheep → get insane end-game loot. Works on every version from 1.21 to 1.21.10. Adds custom loot table, and turns sheep into walking OP supply crates. Perfect for chaos survival or challenge world
HandsOfTheVoid.jar
Slow burn horror mod heavily inspired by the broken script that will make you feel like you're in an ARG
The Mystery
Survive chilling encounters with Herobrine, Entity 303, and Null. Balanced horror gameplay adds eerie tension without breaking vanilla mechanics.
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.
Mini Mobs
Adds new mini variant of mobs that spawn naturally.
BloodMarks
Adds blood effects to your swords and a unique Blood Instinct status, attracting hostile mobs from a distance. Cleanse your weapons in water or face the challenge head-on.
not_alone.jar
This is a horror mod that adds entities to your world
Cave Dweller Overhaul
Overhauls the Cave Dweller with improved AI, features adapted from the original and Bedrock versions, plus some new additions
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.
Grave Robber
A classic take on the Gravestone Mod, adding a mini fight to retrieve your items.
tame every mob
Tame every regular Minecraft mob, control their behavior, store them in Mob Pockets, and upgrade them with custom equipment.
1.21.7 Backport (Lava Chicken Backport)
Port of the new 1.21.7 features to older versions
Eat Villagers
Wandering Trader & Villagers drops meat and you cat eat it - new Food
NoMoreJumpscares
Removes the Elder Guardian curse effect when receiving mining fatigue
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.
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.
WildLife
A recreation of the WildLife series by Grian!
Bedrock Wither
Adds Bedrock Withers to Minecraft?
Configurable Difficulty
A server-side Minecraft mod that adjusts entity attributes based on their biome, dimension, and depth
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.
Can't Sleep
Some nights shows a message similar to "There are monsters nearby" and blocks sleep until the next day. Easily configurable.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Spooky Scary Thunderstorms
Creepers may spawn as Lightning Targets now, and Thunderstorms can be conjured with Ominous Bottles!
CreepyPasta Legends
Creepy Monsters awaken, Haunting players With Dark Legends and Fear.