Forge Mods for Minecraft 1.21
Browse 427 free Forge mods for Minecraft 1.21 — popular picks include Cyclops Core, Mutant Monsters, EvilCraft.
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Cyclops Core
Library mod for EvilCraft, Integrated Dynamics and others.
Mutant Monsters
The mutants are back! Face scary creatures and powerful beasts like never before.
EvilCraft
An evil mod for Minecraft.
Hunter'sReturn
Add evil Hunter's mob! They hunt the animals while making a cheeky laugh...
Horror Elements mod
A mod that adds decorative blocks for your horror maps and spooky structures for your survival world
Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)
ArPhEx: Intricate, phobia-inducing, realistic mobs, and supernatural bosses
Verity JE
Hello, I'm Verity! Your personal helper friend. Ask me anything, I know everything.
HORROR - Psychological Horror Messages (no dweller)
Every 10-15 minutes, a random horror message will be sent to the chat. Perfect if you are looking for a psychologically horrifying experience!
Haunted Harvest
Pumpkin Carving, Corn food and Halloween Trick or Treating for villagers. Farmers Delight and Autumnity compatibility. Not just a seasonal mod
Sleep Tight
Sleep and bed overhaul / rework: hammocks, bedbugs, sleeping bags, nightmares, home bed comfort, and dream essence, fully customizable
Whispering Spirits
Adds atmospheric spirits for a horror-theme
Cursed Earth Returns
A fork of Cursed earth - adding new Blessed earth!
The Obsessed - Advanced Psychological Horror, Mysterious Arachnid Stalker
It stalks you with deranged fascination, each encounter driving its nightmarish obsession further…
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!
Haunted House
Adds a new Haunted House to Plains, Forest and Dark Forest Biomes
L's Spooky Foods
Adds spooky snacks with creepy effects
Abandoned Watchtowers
Adds abandoned Watchtowers to forest biomes. Perfect for a horror or adventure setting
Improved Pillager Outpost
The "Improved Pillager Outpost" Datapack revamps the standard Minecraft Pillager Outpost into a challenging, multi-level tower. This overhaul adds detailed architecture, tougher enemies, and exclusive loot, creating a more immersive and rewarding experie
The Afterdark
A truly immersive Deep Dark alternative dimension with many secrets and resources hidden behind. Explore a new world brought to you from the evil of the Deep Dark.
Server-Side Horror
Fully Configurable Ambient Horror Mod
Fright's Delight
Fright’s Delight is an add-on mod for Farmer’s Delight that adds food made from mob drops. Dishes are created with a “Horror” theme, consume with caution.
The Rolling Giant [Horror, not a Dweller] [The Oldest View]
A horror mod that adds a complex hostile entity. Based on "The Oldest View".
Cosy Critters & Creepy Crawlies
Adds adorable atmospheric animals: birds, bugs, and bothersome creatures.
Spooky Doors
Doors, but they're scary like in Horror Games. Now supports all doors!
Battle Towers
Adds Battle Towers (WIP)
X Ray (no cheats)
Find ores in mines faster and easier.
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.

Toolbar Sounds
A lightweight datapack that brings sound effects to your toolbar (hotbar).
Cosy Critters & Creepy Crawlies [Neo]
Adds adorable and abstruse atmospheric animals, accentuating aesthetic. For NeoForge

Orbital Strike Cannon
This datapack/mod/plugin adds an Orbital Strike Cannon like wemmbu!
Peeping Creepers
As if normal creepers weren't scary enough...
Tense Ambience
This mod enhances the atmosphere of all default dimensions with biome-specific, tense ambient sounds (Perfect for Horror Modpacks).
Reaping
Harvest your animals in the most cursed way possible.
Zombie Nightmare Expansions - Undead Horror Monsters
Adds various creepy undead entities with unique mechanics and intricate designs
Click. (Inspired by the film "Hereditary")
In the cover of night and shadow, the demon king Paimon calls to you...
Ghost Villager
At night, a ghost villager may appear with exclusive trades...