Minecraft Java 1.21 Mods
Browse 586 free mods for Minecraft Java 1.21 — popular picks include Conquest Online, ProgressionDungeonRW, JParkour.
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Conquest Online
The "Conquest Online" Mod is part of the "Soncresity: Conquest Online" Modpack and also part of the Soncresity Universe.
ProgressionDungeonRW
Replayable dungeon runs with modular generation—built for RPG progression and reward loops.
JParkour
Ride a chicken or any other entity by destroying objects
Illusioner Tower
Adds in a new structure, the Illusioner Tower, with a chest of loot and an Illusioner.
Iceology
Harness the power of the cold...
Harness Enchantments
Add 4 new enchantments to your Ghast Harnesses. Improving the Happy Ghast.
Custom Hyperion
This project adds a Hyperion concept, just very different and survival friendly (not OP)...
hfobjectives
"HF Objectives is a dynamic mod that brings a fresh layer of excitement to your gameplay with customizable objectives. Whether it’s gathering resources, eliminating mobs, or surviving unique challenges like standing on a block without taking damage.
LevelUp Attributes
Adds a simple RPG-style leveling system that increases player attributes as they level up.
Rifted Lands
It is a "what if I had influence over the evolution of the game" kind of modification. Although still in development, this mod aims to deeply rework Minecraft, making it more challenging, more rewarding, and ultimately more enjoyable. Progression is slowe
Stardust bunny
Adds the stardust bunny origin. Balanced, mobility-focused origin with a huge arsenal of utilities.
Items, Crafts & World of the Realms of Runeterra
This project introduces all the items, blocks, abilities and other gameplay mechanics not related to the world generation provided by the Core Package of Realms of Runeterra: A Tale of Relative Dimensions
Rage twist
A simple datapack that adds a ragebar that can be increased by attacking mobs and that makes your attack damage increase.
Better Damage to Golems
This is my first mod! This mod is a way to get more accurate damage to golems into Minecraft via increasing the damage dealt to golems using a pickaxe whilst taking efficiency into account. This mod was inspired by the game Muck By Dani.
Vyn's Clones
Conjure perfect self-reflections that can aid your journey
Ghastling
Ghastling is a survival-friendly plugin for Paper 1.21.6+ that lets players keep Baby Happy Ghasts (Ghastlings) as permanent pets. Prevent them from growing up, improve their AI, and build a bond through snowball interactions!
YouShallNotMove
A simple mod that prevents entities from being moved
Inferno World
Dimension, epic boss battle, and tools inspired by a magical hell
Pumpkin Madness
One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )
The Warden Scythe
This datapack add a powerful weapon but hard to get !
Artifacts and Bosses
This mod adds new gems that can be collected from 4 new bosses
Tithe
A Hardcore multiplayer mod in which death is a debt. The living can pay a tribute to bring back the fallen.
WarFmod
A mod that adds new mobs and bosses to your world, as well as new features and items.
guamod
这是一个minecraft1.21.1模组，它加入了新的武器新的方块和新的生物，它是基于neoforge开发的,内容来源于作者班内热梗This is a mod for Minecraft 1.21.1. It adds new weapons, new blocks, and new mobs. It is developed based on NeoForge, and its content comes from popular memes within the author’s class.
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!
Renewable Elder Guardians
Vanilla friendly mod and plugin port that makes Elder Guardians (and sponge) renewable, while keeping it balanced.
Sandbox Craft
Minecraft mod heavily inspired by People Playground.
No Creeper Grief Charged Creeper Addon
Enables Charged Creeper block damage when when you used an Anti-creeper griefing datapack, so you take advantage of the special features of the Charged Creeper. It also adds proximity-based warnings. Tested with Vanilla Tweaks’ Anti Creeper Grief pack.
Eternals
Adds various rpg like items and mechanics in order to turn minecraft into my ideal game so if anyones interested in trying it out feel free to download :)
Sculk Wrath
Sculk Wrath is a complete Warden boss overhaul datapack that transforms the Warden into a 4-phase boss fight with custom attacks, boss bar, music, configurable drops, and dramatic animations.
Stronger Creaking
Makes the creaking deal more damage
Pocket Gnomes
Three magical wands. Three specialized gnomes. Build, farm, and hunt with charming little helpers.
You Can't Sleep
A about bed sleep's horror mod
MxSxC1 Passive Mob Invulnerability
This pack will make passive mobs Invulnerable. They cannot be killed, take damage, or be attacked. It also has a bonus mount "Shadow Step". This is designed for younger children who may be upset at the death of innocent animals, but will be expanded.
Super Hardcore
A datapack that makes hardcore actually hard. You now only have 5 hearts and you take damage from a fall taller than 2 blocks.
SYSTEM SMP
System SMP is a premium Minecraft plugin designed for survival multiplayer servers. It adds unique features including small caps text formatting, tree felling mechanics, custom item displays, and an economy-based spawner mining system.