Horror Mods for Minecraft Java
Browse 516 free Horror mods for Minecraft Java — popular picks include Maximum Difficulty, Breathtaking Aconitum, STEVE MUST DIE difficulty.
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Maximum Difficulty
A mod that increases the difficulty of Minecraft to its maximum, reaching 32-bit integer limits.
Breathtaking Aconitum
This mod adds aconite and its unique mechanics, food, and toxins
STEVE MUST DIE difficulty
Focuses on a much harder Vanilla Survival experience. Not only by making mobs stronger or more resistant, but adding new mechanics and unique twists. Also letting you progress slightly faster (if you're skilled enough)

Space-Like End
Adds some Space Properties do the End dimension, such as zero gravity and zero air
Chimera Studio's: Corrupted Mobs
Adds a lot of new corrupted mobs and entities to your Minecraft world (Forge)
Silly Stuffs
Become the greatest businessman in all of Minecraft! Expand your business empire, sell your products, mine plastic, eat burgers, and have fun!
DemonKenny Loot Ores Mod
a forge mod for Minecraft 1.7.10 that adds some new ores and items, as well as an item that can self renew with it's drops
Lucid Realms
Adds dreams & nightmares to the game. *very much unfinished
Projection Boundary
Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?
The Killer Animals
This Project turns Normal Passive Mobs into hostile ones
RadMod
Simple Radiation mod that adds UNIQUE radiation system and stuff.
Pillager Assault Brigade - Priestess's Revenge
Summon the Illager legion and survive brutal curses and massive onslaughts—will you face the “Disaster”?
Deleter
This mod adds an option to permanently delete all of your junk.
Damage=Random Item Skyblock Challenge
This custom world spawns you on a small platform over the void. The only way to get items is by damaging each other. (Multiplayer, inspired by BastiGHG)
Something Watches 2.0
A slow-burn horror mod that transforms your world into a paranoia-inducing nightmare. Featuring custom entities, random horror events, creepy signs, screen glitches, a horror dimension, and admin troll commands. Something is always watching.
Infinity Stones - Eye of Ender recipe
A new Eye of Ender recipe that has one item from every new biome/structure to encourage exploration (crafts all 12 at once)
Structure Overload
Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.
SlashDestroy
A helpful mod that allows you to /destroy to destroy any and all vanilla or modded blocks in your render distance.
tucann's insane fun pack V2
My first "big" Minecraft mod made using MCreator (not intended to be taken fully seriously). Requires Geckolib!
Somnium Reale
Explore a new world where things aren't quite as you remember, but in some ways feel more real than ever.
More Big Trees
Adds 2x2 versions for every tree in vanilla
CopperWorld
This mod will turn your entire world into copper! More presets coming soon!
VoidSky
A plugin that teleports players into the sky if you fall in the void.
The Echo Horror
A progressive psychological horror mod that introduces strange anomalies, distant watchers, unexplained encounters, and escalating disturbances as the days pass.
Glassification
Glassification transforms the entire world into fragile glass, removing structural safety and leaving survival to pure mechanical mastery.
Hedgehog Saga
Adds new decorative blocks, plants, worldgen features, and MUCH MORE inspired by Sonic.
The Broken Additions
This mod adds a couple themed items, blocks, and ect. [This is my first mod so there might be bugs and issues!]
TechnicCraft
TechnicCraft - create sophisticated mechanisms with ease!
RealityShift
Make every day a new adventure! RealityShift activates a random anomaly daily from a pool of 50+ unique events, completely changing the rules of survival.
Skyleaf Biomes
A custom world type that has all the biomes and most of the features and structures you’d find in a normal 1.20-1.20.1 world. Created as a custom worldgen option for my new long-term stream series on YouTube
Ember's Everything Asylum
A semi-serious mod with a little bit of something for everyone!
You Can't Sleep
A about bed sleep's horror mod
The Jelly Update Mod
If Mojang released a Jelly Update!?
Kyo's Cottonwood Forest
Adds a cottonwood forest and allergy system for said forest
Nonsense Hardcore
A plugin that resets the world and downloads random Modrinth datapacks every time you die.
The McAlister Special [TMAS]
This mod is about inconvenience. A must have for anyone who doesn't feel challenged enough.