Mods for Minecraft Java
Browse 2,432 free mods for Minecraft Java — popular picks include Harry's Hostile Expansion, BossTools Performance, Project Yummy.
Step by step: How to install Minecraft Java mods & modpacks
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Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.
BossTools Performance
Performance optimizations for extremely questionable Space-BossTools code
Project Yummy
Defeat the Boss, Get reward, Make powerful materials, and upgrade it.
Boss Checklist - Camps. Castles. Carriages. Compatibility
Integrates the Piglin Ranger and Ser Marrow bosses from "Camps. Castles. Carriages." as entries in the Boss Checklist mod.
The Dulling
A Cosmic Horror Story with Bosses, Dimensions, Magic, and more!
The Space Invasion Mod
The Space Invasion Mod will add new Space themed Armor, Tools, Weapons, Mobs, Blocks, Achievements, a new Creative tab, Biome and Boss into your Minecraft World
TKVM Enemies: Dark Knight
Adds a dark knight boss in the nether, along with an arena.
Boss Checklist - Keebsz's Battle Towers Compatibility
Integrates the Tower Guardian bosses from Keebsz's Battle Towers as an entry in the Boss Checklist mod.
Daily Boss x Aquamirae
Compatibility between Daily Boss and Aquamirae.
Ender Dragon Gear
Get rewarded for defeating the final boss!
Annoying Villagers Stuff (More blades of god of war)
Weapons and bosses from the Annoying Villagers Series!
Winter Drop Ruined
Adds the Krakentilus boss, 2 new Nautilus variants, and some spear related content

GanKura
A Hypixel Skyblock Mod focused on Area Mini-bosses.
Nickacado Avocado Boss
adds a new boss to the game, Nikocado Avocado.
The Unreal Dimensions
Can you challenge yourself to beat the 8 bosses in the Unreal Dimensions? Strap in because you are in for a ride!
Way to the Other Worlds
Modification based on new worlds, items, biomes, bosses and mobs!
xBossBar
Create, edit and show custom BossBars with a few commands, All on a single plugin.
Boss Checklist & Field Guide - Harrowing Hells Compatibility
Integrates the Cinderscourge boss from Harrowing Hells as an entry in the Boss Checklist mod.
EzCountdown
Run flash sales, timed events, and launches with stunning countdowns - ActionBar, BossBar, Titles & Placeholders!
Styled Boss Bar API
Design your Styled Boss Bar!
Epic Fight-FallingBlossom
Epic Fight、EpicFight-Nightfall Boss Expansion mod。
Wands & Wizardry
Bringing Noita's spell system to Minecraft with fully modular wands, over 60 spells, a new boss fight and more!
Ivar's Bosses
Ivar's Bosses is a mod that introduces formidable bosses to the game, featuring unique attack patterns and special summoning rituals. These ancient creatures will unleash their wrath upon anyone who dares disturb their eternal slumber.
Herobrine: The Battle
A Herobrine boss fight!
Knighthood and Wizardry
A WIP mod that adds custom items, weapons, and bosses.

Calamity
Calamity is an expansive overhaul project that introduces challenging new bosses, unique mechanics, and a rich layer of lore to the core experience.
Colossus Boss
Giant boss formed from the environment and attacking and hurling chunks of environment at you!
Evomut:Harsh North
A mod that adds new weapons, boss, armor,mobs and Freeze
The Greatest Adventure
This mod brings new adventures to the player with the help of many new blocks, items, mobs and much more. Explore multiple dimensions, loot buildings, defeat bosses!
Autcraft Adventure
Welcome to a world where magic thrives, ancient ruins whisper forgotten secrets, and powerful bosses guard unimaginable treasures. AutCraft Adventure invites players to embark on a thrilling journey through a land shaped by fantasy, mystery, and challenge.
Jujutsu Quests (JJC Addon)
A addon for jujutsucraft by orca that allows the user to craft spawning items for major bosses.
DeadSummons
This adds Magic of evil. We have three magic types, one boss. and items for your world!
THE SKELETON BOSSES | CUSTOM MOBS [1.20 - 1.21.1]
Incorporate custom bosses with custom rewards, create a new boss dynamic
OHPS10 Boss
Adds the boss "Obama Harry Potter Sonic 10"
Sky Temple
This datapack adds the sky temple structure: a structure generated in the sky, containing a custom vault, a boss with custom loots and a giant mask (when wore, it turns you into a giant)
Bosscraft 2: Remake
Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft. This project takes the iconic mechanics of the classic mod and integrates them into modern versions of the game.