Mods for Minecraft Java
Browse 2,440 free mods for Minecraft Java — popular picks include Steve (Jack Black) Boss, Unknown Echoes, boss.jar.
Step by step: How to install Minecraft Java mods & modpacks
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Steve (Jack Black) Boss
I added Steve (Jack Black) as a boss in Minecraft!
Unknown Echoes
adventure Mod centered around exploration, puzzle-solving, boss battles, and progressive ability growth.
boss.jar
This is a mod that was made for an ARG.
AuthBB - Enhanced Boss Bar Integration for AuthMe [Proxy Teleport - Multi Lobby Support]
Elevate Authentication with AuthBB: Visualize Your Login Experience
MBE - Absolumentium [RENEWED]
This mod adds Absolumentium, a powerful endgame ore made to beat the Warden or even stronger modded bosses. It’s balanced and requires Netherite gear first before you can upgrade to Absolumentium equipment!
Extra Withers
This mod adds four new types of wither bosses, each with a unique trait
Boss Hatred
To die with honor or to survive by any means?
Document 17
Document 17 is a mod that adds in; 30+ characters (armors) two double chest's worth of items, a whole assortment of bosses to fight. and new- interesting ways to play the game. along with several base superpowers for players to use. want superheros? here.
LuckyGiant (Old)
New Bosses and Blocks!
Void king dimension
Adds an epic boss fight with the Void King and his minions, spreading corruption, and powerful weapons.
BossCow
COW BOSS
Daily Boss x Cobblemon
DBxCobblemon is a compatibility bridge provided to integrate [DailyBoss] with [Cobblemon]
Fantastic Dungoneer
Explore a big randomly generated dungeon crawl filled with traps and bosses. :)
Modulo Yuji & Blood Moon sword
This mod brings the modulo yuji from jjk:modulo as a boss and adds a unique sword called blood moon sword that gives you magical abilities.
Meteor's McDonald's
Hvae you ever wanted to add McDonalds into your Minecraft World? Now you can with new food items, tools and also adds a new dimension with a dangerous new Boss mob
Fictitious Mobs
this mod adds a couple of mobs, and a boss
Ultimate DayCounter
A fully customizable day-counter datapack with an interactive dialog GUI, animated bossbar/actionbar, live progress, and new-day celebrations.
PISSMAN
Small mod that adds a fun side boss to the game

Techless
A Mod that adds 3 new bosses with unique phases Fight them to craft Legendary weapons in this Vanilla+ progression mod Made using Mcreator
Bossclient
PVP Client for the best game experience
Born in war Ashes
A large-scale mod that changes the vanilla game in all aspects: Many bosses, unique items, weapons, accessories, mana system, stealth system. Class division of players, many structures, new biomes, new mobs.
Jujutsu Horizons
Master Cursed Energy, Grind through a brutal leveling system, unlock lethal techniques, and hunt nightmare bosses. Evolve or die.
The Final Boss
A chaos‑themed mod adding devastating bosses, powerful items, and world‑ending attacks for extreme survival.
Kevosaurus Rex
Adds new boss - Kevosaurus Rex and Kevocitaptor, it's minion.
LuckyGiant Mod
The LuckyGiant Mod adds new bosses, mobs, a dimension like The End, biomes, structures, and materials. Players must defeat weaker versions of him to collect materials for a ritual to summon the final LuckyGiant.
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
souls like universe entities rework
updated souls like universe for better bosses compatible with latest epic fight addons
OutCombatLog
✨ Anti-PvP leave, Item CD, Punishments. BossBar, sounds, chat messages, and more!
TH's Boss Musics
A simple mod that brings custom boss themes to Minecraft’s bosses
The Mob
Mob Framework | YAML | Boss Phases | Radar HUD | AutoSpawn | Player Stats | 1.21.+
Bosses And Mobs
Adds More Bosses To Minecraft,More Tools And Armor To Minecraft again...
BossBarAnnounce
An advanced plugin that can annouce things on the bossbar. More commands are comming soon! And Geyser support!
Just a goofy Mod
This Mod adds a lot of things that I believe you will enjoy for example it adds, bosses, mobs, new weapons, new items, and a new biome! (This is a Beta Mod and there we be more updates soon, Hopefully. A lot of this mod was inspired "ImNotaCasualty".)
Alternative Twilight (Remastered version)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
More and Ore Two
Rewrite of More and Ore, contains better content, mobs, tools, armor and content. Adding new stages to the game to progress through post-Netherite with increasing Difficulty and Bosses.
Fred's Pack 3
A mod that adds all kinds of stuff, from new blocks to new dimensions to new bosses