Horror Mods for Minecraft Java
Browse 271 free Horror mods for Minecraft Java — popular picks include Jo L´s Boss Mod, Great Soup, Osimu Boss Fights.
Updated daily
Jo L´s Boss Mod
An insane 5-phase custom boss fight for 1.20.1 Forge featuring bullet-hell, hotbar confusion, and server command abuse!

Great Soup
This mod is focused on adding soups with various effects. It also adds bosses, new mechanics, biomes, and glue, but the most important thing is the soups.
Osimu Boss Fights
This mod adds very unforgiving bosses and cool rewards. Most of them will be glass cannons, strength alone won't be enough.
MrChipdip's Super Mod
Adds a lot of new items many new bosses and weapons, currently some stuff is unfinished but is still playable.
⚡EvilMobs - Create your custom bosses
Multifunctional Bosses with simple configuration

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
Floreláis
Created in 1 week for my high school art class. It is a very basic mod adding 6 flowers and a boss. Similar feel as old 1.7.10 mods.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Giant Boss
giant bossfight datapack using vanilla minecraft

ZorythAIBoss-NightmarePack
Transform Minecraft's deadliest creatures into terrifying nightmares with dark custom textures and eerie sound effects for bosses, illagers, and monsters.
The Complete Drop Shuffler
Drops reshuffle automatically on a timer. Choose 1, 5, or 10 minutes. Countdown bossbar visible to all players.
Everything Bossbar UW add-on
This Datapack adds Bossbars for every mob
The Complete Rare Drop Randomizer & Shuffler
Randomised drops with a 10% Elytra bonus, reshuffled automatically on a timer. Bossbar countdown included.
Exto
This mod adds a unique horror mod boss that has a rare chance of spawning in the dark forest, the badlands etc.
Boss Baby Disc 11
Adds felfeb's boss baby song over disc 11 (request by s_0laris)
Calamity Bosses
20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.
Domain of Harvested Echoes Modpack (1.20.1) – Master Cursed Techniques And Build
Domain of Harvested Echoes Modpack brings the powers and battles of Jujutsu Kaisen into your blocky world with deep sorcery mechanics and custom combat systems. You can master iconic innate techniques, expand deadly domains, and level up your character while building dream homes and brewing drinks with friends. It mixes intense anime boss fights with […]
Cursed Limitless Resonance Data Pack (26.1.2, 1.21.11)
Cursed Limitless Resonance Data Pack brings anime-inspired cursed energy powers, special tools, and dangerous bosses to your survival world. You can charge up cursed energy to strike with crushing critical hits, unleash famous special moves, and summon tough minibosses for unique drops. Every technique fits right into survival gameplay with craftable items and power progressions. […]
Ender Dragon Reborn Resource Pack (26.2, 1.20.1) – A Terrifying Wyvern Boss
Ender Dragon Reborn Resource Pack transforms the look of the final boss into a fierce, modern wyvern. It updates the old blocky design to make the boss look much more aggressive and scary. The new model keeps the smooth flying movements you are used to but adds realistic details that make it feel like a […]
TZP Plus Mutants Resource Pack (1.20.1) – Terrifying Skins for Giant Mutant
TZP Plus Mutants Resource Pack reskins the giant undead monsters in the Mutant Beasts mod. It replaces standard green mutant zombie models with over 30 fresh and scary looks. This pack uses OptiFine random entity features so every giant zombie you meet looks distinct. It turns repeated boss fights into exciting encounters with unique monster […]
King of the Nether X Fresh Animations Resource Pack (1.21.8)
King of the Nether X Fresh Animations Resource Pack makes the King of the Nether pack work perfectly with Fresh Animations. It combines the scary new looks for the Wither and other fiery mobs with smooth, natural movements. Now, you get the detailed boss designs without any broken models when you play. Features: Fixes Visual […]
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 […]
Friday The 13th Jason Voorhees Mod (1.20.1, 1.19.2) – Forest Slasher Stalker Horror
Friday The 13th Jason Voorhees Mod is a horror Minecraft mod that adds a stalking slasher-style enemy, themed biome, structures, items, and a new wood type. It is designed to create tense survival gameplay, especially in forest areas. Features: New horror boss entity that hunts players New biome: Fir Forest New structures: cabins and campsites […]
The Rake Horror Mod (1.20.1) – Night Stalking Boss Hunter
The Rake Horror Mod adds The Rake, a dangerous night creature inspired by popular Roblox horror games. It focuses on fair but intense survival combat and nighttime hunting mechanics. Features: Basic Behavior Spawns only at night Lives in a special cave structure (its base) Leaves the cave at evening and returns at sunrise Normally stays […]
Lights-Out Mod (1.19.2) – One Mod, Endless Nightmares
Lights-Out Mod is a large-scale horror content mod that adds massive progression, creatures, bosses, dimensions, and survival gear into a single package. It is designed as an all-in-one horror adventure experience. Features: Main Content Nearly 300 new creatures across many biomes Inspired by SCP, games, films, and legends Many mobs are aggressive and high difficulty […]
From The Shadows Reborn Mod (1.20.1, 1.20) – Fight the Darkness
From The Shadows Reborn Mod adds new hostile mobs, bosses, weapons, and progression systems centered around shadow magic and cursed creatures. Features: Introduces shadow mobs that spawn in the overworld and special biomes. Adds boss encounters tied to progression and loot. New weapons and armor sets infused with shadow energy. Defeating bosses unlocks recipes and […]
Deep Blood Mod (1.20.1, 1.19.2) – Night Of Horror
Deep Blood Mod is a horror mod that turns Minecraft nights into a bloody and creepy experience, requiring players to survive the night, complete progression, discover new recipes, and kill the Blood Queen to escape the horror. Features: The mod adds 2 mobs, 1 simple boss, 1 dimension, 1 liquid, 2 blocks, 8 items, 1 […]
Scary Mobs And Bosses Mod (1.20.1, 1.18.2) – The Darkness More Terrifying
Scary Mobs And Bosses Mod adds small structures that contain scary bosses, which will drop weapons and tools with certain abilities. Scary entities and new bosses in your Minecraft world, with new weapons and tools. Now the bosses are summoned, for this you must get the materials and craft the summoning blocks. Each boss will […]
Midnight Madness Mod (1.20.1, 1.19.4) – Demons, Souls and Rituals
Prepare for a week of horror – while days stay the same and let you prepare, the nights present a new level of struggles. Midnight Madness Mod adds zombie masters, werewolves, giant skeletons spawning wave after wave of well-equipped skeletons and more. This mod also has lore books and challenging boss arenas, so there's a […]
In The Corners Mod (1.20.1, 1.20) – Facing 15 Stalkers In The Dark
In The Corners Mod is a supernatural horror mod that injects creeping dread into survival gameplay. It introduces 15 unsettling entities-ranging from tier-one stalkers to final boss aberrations-that silently observe, stalk, and ultimately strike players in the dark. The mod leans on minimal UI and atmospheric tension. Features: This mod adds more than 20 entities […]
Formidulus Mod (1.21.1, 1.21) – New Boss, Weapons, Structures And More!
Formidulus Mod is a horror mod that introduces a new soul-like boss into the game. The mod also adds new weapons, blocks, mobs, and structures. The mod is continuous development and new features will be added over time. A list of features as noted by the developer is given below. Features: 1 Challenging Soulslike Boss […]
The Wandering Murderer Mod (1.21.5, 1.21.1) – Hidden Horror, Dark Humor, And Deadly Milk
The Wandering Murderer Mod introduces a sinister twist to an innocent Minecraft character: the wandering trader. Kill one, and you'll trigger the wrath of the Milkman Reborn, a disguised boss-level mob who will hunt you for two days before rewarding your survival with a powerful weapon, Milkman’s Sword. Features: Adds a hidden boss encounter triggered […]
Cracker's Wither Storm Mod (1.20.1, 1.19.4) – Eldritch Horror Bosses
Cracker's Wither Storm Mod introduces a new creature, inspired by an existing entity. This mod adds the Wither Storm from Minecraft: Story Mode into your Minecraft world, bringing an entirely new challenge to overcome. Players are responsible for summoning the Wither Storm. To do so, head to coordinates x:0, z:0, where you’ll find a ruined […]
Eldritch End Mod (1.20.1, 1.20) – Lovecraft’s Touch On The End
Eldritch End Mod expands the End with eerie new biomes, a corruption system, and terrifying creatures. Players can explore the barren Hasturian Wastes or the corrupted depths of the Primordial Abyss, each filled with unique hazards. Alongside new blocks, ores, and crafting materials, the mod introduces aberrations and bosses inspired by Lovecraftian horror, including Hastur, […]
Arthropod Phobia Expansions Mod (1.21.1, 1.20.1) – Face Your Fears
Arthropod Phobia Expansions Mod is an advanced RPG and horror-themed mod designed to expand Minecraft's endgame with realistic arthropods and terrifying stalker bosses. Features: Stalker Bosses These are relentless, death-bringing entities with advanced AI to track and hunt you across great distances. Hallucination entities and lightning strikes signal their presence. They can also be summoned […]
Barosa's Curse Map (26.2, 1.20.1) – An Adventure To Remember
Barosa's Curse Map is an escape map designed by TheWorfer27. Here is a well-made singleplayer adventure map for you! In this map, you will play as a mysterious hero who battles a cursed wizard, John Barosa. There are 3 custom escape rooms that increase in difficulty and a final boss at the end. You will […]