Mods for Minecraft Java
Browse 32 free mods for Minecraft Java — popular picks include ♬ Aquamirae - Boss Music Tweaks ♬, Mob AI Tweaks, Twilight Tweaks.
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♬ Aquamirae - Boss Music Tweaks ♬
Formerly the only solution to having boss music play during the Ghost of Captain Cornelia's fight, now an addon for the Aquamirae mod by Obscuria that tweaks the way the Ghost of Captain Cornelia's boss music plays.
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
Twilight Tweaks
Adds a very configurable final boss among other config options.
Projectile Tweaks
add Projectile Protection to bosses/mobs
Cursed Fate: Cursed Tweaks (New Boss Fights!) CursedFate Addon
A Minecraft Mod Based On The Jujutsu Kaisen Cursed Fate Mod!

Cursed Fate: Cursed Tweaks (New Boss Fights!)
This is an Add-On for the Minecraft mod Jujutsu Kaisen Cursed Fate Mod! This mod is solely an extension for the original mod by ImNotHURAGAN and does not work independently.
Enhanced Operator Utilities
A clean expansion for the Creative Inventory that unlocks hidden items and organizes utility blocks, paintings, and boss eggs into better-structured tabs.
Equinox's Story Mode Mode Blocks And Other Utilities
A utility for the modpack Equinoxs Story Mode, includes mostly boss fight music for the server events happening over on the official ESM server, and some added blocks
Boss AI Tweaks
Mob AI Tweaks but only the boss changes
RPG Bosses
A utility mod for modpack authors to create bosses more RPG style.
Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
Broadcast Pixelmon
BroadcastPixelmon is a server-side Pixelmon sidemod that broadcasts global chat messages when Legendaries, Shinies, Bosses, Ultra Beasts, and Raid Legendaries spawn, including coordinates, biome, and clickable JourneyMap waypoints.
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
Bossbar Tweaks
Adds the ability to resize boss bar (0%-200% scale)
CraneMod-ZombieZ
Minimap, interactive map with all skull zones, bosses, and real-time player positions — for the ZombieZ server on Rinaorc.
Boss And M ore(BAM)
A mod that adds new boss and new mobs and structures this mod adds a new why of seeing the world, it adds a lot to explore and a lot to achieve, this mod adds new bosses and new structures, utilities, etc...
Mob AI Tweaks Mod (26.2, 1.20.1) – From Sniffers To Skeletons
Mob AI Tweaks Mod transforms Minecraft’s mob behavior, boss mechanics, and combat dynamics into something far more intelligent and challenging. Features: Wither and Ender Dragon Reworks: Multi-phase combat, enraged states, smarter healing, new visuals, and combat patterns. Elder Guardian Bossified: Beams, dashes, oxygen-draining mines, boss bar, and more. Mini-Bosses: Ravagers, skeleton horsemen, and enhanced Illagers. […]
Cursed Fate Cursed Tweaks Mod (1.20.1, 1.20) – Boss Fight Event And Configuration Rules
Cursed Fate Cursed Tweaks Mod lists a new boss fight event controlled through a gamerule, along with several commands and gamerule toggles related to bosses, rerolling, starter techniques, and maximum output. It also adds two new potion effects infinite CE and Stomach Bug with described gameplay impacts while active and after expiration. Features: Add-on extension […]
Blade Addons Mod (1.21.8, 1.21.5) – Hypixel Skyblock Utility Mod
Blade Addons Mod is a utility mod for Hypixel Skyblock that fills in missing features from other mods. It provides dungeon‑focused tools, timers, counters, and quality‑of‑life improvements to enhance gameplay. Features: Adds /ba refill command for dungeon runs. Chest counter works only in boss fights. Exposure shot calculation limited to boss fights. Diana event notifier […]
Twilight Tweaks Mod (1.21.1, 1.20.1) – A True Final Boss to Conquer the Forest
Twilight Tweaks Mod adds configurable features to The Twilight Forest mod. This addon introduces a final boss spawner, giving the dimension a new ultimate challenge. By default, the spawner summons a very strong husk with reinforcements to fight. The mod also allows you to change what the spawner does, like summoning a different mob or […]
Aquamirae: Boss Music Tweaks Mod (1.20.1, 1.19.4) – Immersive Boss Music
Aquamirae: Boss Music Tweaks Mod is an addon for the Aquamirae mod, specifically designed to improve the Ghost of Captain Cornelia boss fight experience with custom music enhancements. Originally the only solution for integrating custom boss music, this addon now refines how the battle theme is played and managed. Features: Boss theme now restarts once […]
PokeRadar Mod (1.12.2) – PixelRadar, AntiRadar Bypass for Pixelmon
PokeRadar Mod detects any pokemon in your area, Specify what pokemon to detect, also detect shiny pokemon and Boss pokemon. Features: AntiRadar of Pixelmon (BYPASSED). You can now disable the minimap. Lines. Detects all new legendaries. New Boss colors with nameplates and waypoints. Search multiple pokemon by separating with commas eg: pikachu, magikarp, mew. NPC […]
Boss Utilities
This is a library providing a lot of boss utilities so developers can do less coding. It's mainly utilized and made for the Skizzik & Co. mod.
ROBOSS Tweaks
This mod adds all customs item for the modpack R0B0SS Factory I
BossTweaks
A plugin to make boss battles more difficult and fun
Not Enough Fakepixel Mod (1.8.9) – Solve Skyblock Puzzles and Track Daily Grinds
Not Enough Fakepixel Mod equips you with a massive set of tools, solvers, and overlays for Fakepixel Skyblock. It adds helpful waypoints for daily tasks, tracks important timers, and solves difficult dungeon puzzles on screen. You get cleaner visual cues during boss fights, instant alerts for rare mob spawns, and extra inventory shortcuts. The mod […]
F Zero Drops Mod (26.2, 1.21.11) – Keep Your Loot After Death and Fight Harder
F Zero Drops Mod tweaks daily survival rules to change how you play. It alters how you fight bosses, fly with wings, and keep items after a bad fall. Features: You keep your hotbar, armor, and offhand items when you die, and your dropped items sit safely in a special minecart. Gives you a death […]
CC Live Utilities Mod (26.1.2) – Customize Your Screen with Live Stat Trackers
CC Live Utilities Mod adds helpful tracking tools and custom menus to the Cactus Clicker game mode on the PlayLegend server. This mod gives you full control over your screen layout so you can monitor your materials, kills, and boss health easily. It acts as a personal assistant that organizes all your important game information […]
Sky Ocean Mod (26.2, 1.21.11) – QOL SkyBlock Toolkit
Sky Ocean Mod adds item value tracking, storage search, Slayer highlights, fishing tweaks. Features: Item Info: View item value breakdowns with a keypress. Storage Search: Instantly search across your ender chest, vault, and more. Fishing Enhancements: Trophy tracking, lava-to-water visuals, hotspot highlights. Slayer & Mining Tools: Highlight bosses, tweak HOTM progress, and commissions. Garden Upgrades: […]
World of Bosses Mod (1.20.1) – Enemy Expansion
World of Bosses Mod adds multiple bosses. If you kill them, you can get an item. They'll never be easy. Bosses are summoned as items. You can check the recipe on Just Enough Items. There are also summoning items that cannot be obtained with recipes. With this mod, players can summon bosses using items, each […]
No Frills Mod (26.1.2, 1.21.11) – Hypixel QoL Toolkit
No Frills Mod offers a massive toolkit of UI tweaks, solvers, visual enhancements, and bug fixes for Hypixel Skyblock. Features: No loading screen, hidden overlays, fewer particles. Custom swing speed, disable fire overlay, clean viewmodel. Etherwarp highlight, price tooltips, rare mob alerts. Chronomatron, Ultrasequencer, Melody, Terminals, Devices. Track bosses, mobs, power, bobbers, and sea creatures. […]
Raphaels Spirits and Beasts
This Mod adds Bosses, Weapons, Armor, New trades, Quality Of Life changes and many more things.