Mods for Minecraft Java
Browse 322 free mods for Minecraft Java — popular picks include OutCombatLog, Robot Legion, Boss Hatred.
Step by step: How to install Minecraft Java mods & modpacks
Updated daily
OutCombatLog
✨ Anti-PvP leave, Item CD, Punishments. BossBar, sounds, chat messages, and more!
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.
Boss Hatred
To die with honor or to survive by any means?
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
DestructionSMP Plugin
This Plugin adds Mace of the heavens, Excalibur, a god spear, god armor, and custom boss drops
Alternative Twilight (Remastered version)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
Damage Indicator YS
Adds a clean red bossbar health display for the entity you’re looking at, with readable damage, healing, and health feedback.
Easter Holidays
Transform your server into an Easter event with egg hunts, rare bunnies, stats, bosses, quests, and more.

Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
More Hide Gui
This is a small mod that lets you hide unnecessary UI elements, specifically status effects and the boss bar. I originally created it for personal use, but I thought some of you might find it useful too! :)
D E S C E N T
A datapack focused on adding skill based bosses and complex weaponary.
FeatherExperience
Renewable corals, Deepslate farm, Warden Bossbar, and more!
BossBar Announcements
This is a Minecraft plugin that displays server-wide announcements as a boss bar with time-based progress indication.
Genshin Impact: Lunar Expansion
Hoyoverse-inspired content, new boss structure, biomes, entities, special weapons, materials and the wishing mechanic.
Crowned Herobrine [LEGACY]
Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
BossesChaos
Wield legendary weapons and challenge unique, powerful bosses hidden across the world. Defeat the chaos, survive deadly mechanics, and claim epic rewards!

Skillbound-RPG
Skillbound transforms Minecraft into a classic RPG with level-based skills, improved combat progression, magic, prayers, Slayer tasks, bosses, new equipment, and rewarding unlocks as you advance from levels 1–99.
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
World's Whisper
Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.
Sauling of Ascension
A wacky mod that turns minecraft into a boss and tech based progression game!
Sea Legend
Sea Legend adds a massive multi-phase ocean boss, the custom Leviathan Abyss biome, pirate ships, shipwrecks, lighthouses, exploration maps, unique loot, Abyssal armour and the powerful Fang Blade.
AnnounceX
📢 Professional announcements with custom durations, colors, sounds & particles! Title + BossBar modes. Perfect for events! ⚡
FriedZane
A mod that adds new items and bosses that relates to the minecraft youtuber "FieryZane" and adds new awesome features to make minecraft more destructive and fun!

CobbleCatalyst
Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.
Cognitio
A chaotic world with strong monsters and bosses and cool artifacts with powerful abilities.
hCaptureEvent
WorldGuard-based capture events with scheduled zones, player and clan modes, rewards, boss bars, particles and PlaceholderAPI support.
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
blazeQOL
Minecraft mod for Hypixel Skyblock which features QOL for Blaze Slayer giving you a HUD with general information about the current boss.
Integrity Bossfight Spawner
Makes Integrity from The Broken Script spawn on a custom day!
iMode
iMode adds witchery, custom spells, new mobs, 4 new bosses, an infinite dungeon dimension and makes game progressively harder. Also adds a level system. Everythig is toggleable in configurations.
Corrupted Horizons
Add Mini-Bosses! Increase Difficulty, Earn Rewards And Begin Your Adventure! 🧭⚔️
The Umbral Eye / 虚空の蝕王オクルス
A floating, void-themed endgame boss summoned by ritual. The Umbral Eye fights across three telegraphed phases — tuned so that even full netherite, a beacon, and golden apples make for only a knife's-edge win. 祭壇の儀式で召喚する浮遊ボス「虚空の蝕王オクルス」を追加。予兆付きの3段階で戦う
Rare Item Hunter | Rare loots, powerful bosses and epic upgrades
Bosses | New Enchantments | New Crafts | New Mechanics | Fully Configurable
Ala Loot
Random loot from the entire item registry - drop chance equals your XP level. Boss kills give legendary stacks. Multi-language, fully configurable, server-side only.
MrAuctionsBid
MrAuctionsBid is a comprehensive auction plugin that allows players to create and participate in item auctions with an intuitive BossBar interface.