Mods for Minecraft Java
Browse 171 free mods for Minecraft Java — popular picks include Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia), Pumpkillager's Quest, Guard Illagers.
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Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)
ArPhEx: Intricate, phobia-inducing, realistic mobs, and supernatural bosses
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
Guard Illagers
Evil Guards That Aren't afraid to show who's boss!
Arthropod Phobia Expansions + Horror Bosses / Arachnophobia
ArPhEx horror mod - realistic, intricate, phobia-inducing entities and supernatural bosses
Spankster's Horror Craft
Add's in Lore based bosses, like Slenderman, Jeff the Killer, Sirenhead, and Bigfoot!
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.
The Nexus (Deep Dark Dimension)
The scary dimension behind the portal! New final boss!
Cursed Fate: Cursed Tweaks (New Boss Fights!) CursedFate Addon
A Minecraft Mod Based On The Jujutsu Kaisen Cursed Fate Mod!
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Brutal Nightmare : Insane Difficult
Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.
Deadly Deadly Dungeon
Deadly Deadly Dungeon add new sprawling randomly generated dungeons with multiple levels of difficulty, loot and bosses. The datapack is ideal if you want an adventure or a real challenge. Can you beat the dungeon?
Better Horror (BH)
This is a mod that adds bosses, items and some lore to the game. By: Koner
The Day Of The Beast
Introduces The Devil, a new boss fight in the game.

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.
Cursed Fate Boss Buff
an addon to "Jujutsu Kaisen Cursed Fate" designed to buff the bosses from the mod
Gateway of Doom
Throw a Devil Eye to open a configurable combat gateway. Survive random or fixed waves, bosses and timed challenges for rewards—or suffer debuffs. Includes auto gateways, custom mobs, profiles, admin menus, commands, diagnostics, plus a stable add-on API.
Nightmare Mode [BTW ADDON]
Nightmare Mode is an addon for Better Than Wolves CE 3.X that makes the mod a LOT harder, with focus on extreme difficulty, unforgiving mobs and reducing farming tedium. NM features new mobs, reworked mechanics and boss overhauls.
Titans
This mod is made for those who love adventures. Adds new ore, materials, items, structures, and a boss
Sun Screamer Horror
Sun Screamer Mod adds a flying, stalking boss with creepy explosions and eerie behavior, creating a haunting challenge for players seeking a thrilling and intense Minecraft experience.
Hollow Steve [HORROR]
Adds Hollow Steve, a horror stalker boss that haunts you, grows stronger after each defeat, and must be killed 10 times to survive.
Boss AI Tweaks
Mob AI Tweaks but only the boss changes
Configurable Boss Bars
A simple mod allowing for the configuration & stacking of boss healthbars

Sporeadds
Mod that adds 4 survivors origins and 1 boss origin based of an infected from the spore mod
Sirenhead: Legacy
Added siren head and cartoon cat [Bosses]
Scary Monsters and Nice Weapons
A mod that adds weapons, bosses, and a working XP Stats system
KinglyBosses
KinglyBosses is a Minecraft plugin for managing custom bosses. It allows summoning powerful bosses, generating custom items, and enabling player spectating. It also offers features like boss lists, spawn zone management, and easy configuration reloading.
Refined Bossbars
A refined look of minecraft bossbars
KamenRiderBossYOUandME
Henshin! Step into this heated conflict. In “The Final Boss, You and Me”, it's like the fateful duel of Kamen Riders. The shining belt is the symbol of glory. Amid the intertwining of light and shadow, only the strongest can break through the darkness
Victorian Horror
A gothic/victorian horror-themed mod with dark eerie biomes and mobs, demons and bosses to fight!
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
the hiker
the hiker, a scary mod that adds a new boss named the hiker, it also add a new biome, the hikers forest. and different variants of the hiker!
Nightmare Monsters
A mod that adds new monsters, and bosses
Spooky Scary Skeletons
A fun RPG mod with new ores, mobs, tools, armor, bosses, and more!
Piglin Wither
Adds a new piglin wither boss
DeadSummons
This adds Magic of evil. We have three magic types, one boss. and items for your world!
Vizer
New strong bosses,weapons and much more!