Neoforge Mods for Minecraft 1.21
Browse 44 free Neoforge mods for Minecraft 1.21 — popular picks include Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia), Sleep Tight, Pumpkillager's Quest.
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Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)
ArPhEx: Intricate, phobia-inducing, realistic mobs, and supernatural bosses
Sleep Tight
Sleep and bed overhaul / rework: hammocks, bedbugs, sleeping bags, nightmares, home bed comfort, and dream essence, fully customizable
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!
Cursed Realm: REVIVED
A new unsettling endgame dimension with challenging monsters for you to fight!
Zombie Nightmare Expansions - Undead Horror Monsters
Adds various creepy undead entities with unique mechanics and intricate designs
Ghost Villager
At night, a ghost villager may appear with exclusive trades...
The Ravenous
A mysterious and scary mob that will leave you no escape!
Gigeresque
Gigeresque is a horror-themed mod that offers players a dive into the horrific biomechanical world of the xenomorphs, and the mutated realms of the neomorphs, deacons, and goo mutants.
Him - Herobrine
we do a little trolling
Cult of Azazel
A mod that adds a mansion-like structure to Nether
Horrorland 2 - Psychological and Classic Horror Modpack (with Horror Quests)
A modpack only for the bravest, now updated to the latest version. With more terrifying mods and tons of evil creatures to discover!
Lost World - The Broken Script
A challenging Horror Modpack which slowly destroys your world while dangerous creatures are watching you
Schizo Cave Dweller [Forge, Fabric, NeoForge]
Cave Dweller in the eyes of a schizophrenic, strange and scary...
Sanity: Renewed
Brings the sanity mechanic from Don't Starve into Minecraft
Groth Mobs: Distorted Nightmares
Twisted and Dangerous Monsters style low-poly
Mebahel's Skeleton Revival
When death is no longer the end… their skulls flee to rise again. Summon, hunt, or suffer — in Mebahel’s Skeleton Revival, every skeleton gets a second chance.
Invincible: Overdrive
A Modpack base on the comic and TV show "Invincible", focusing on the mod "Invincible Conquest", bringing in challenging adventure with difficult mobs and bosses to conquer
DokiMobs Chat
This ModPack combine Dokimobs with CreaturePals
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.
MobAwareness
A Minecraft mod that makes mobs more intelligent and reactive to players, light, and sound.
Zombie Hordes
These zombies WILL KILL YOU
Scary Herobrine From The Fog
This Mod Adds Herobrine From The Fog In Minecraft
Silent Caves
New cave horror mod concept with a camouflaging mob (WIP)
Arox's Favorite Mod
This mod adds just about anything, from cursed sandwiches to questionable dimensions.
All About Horror - Survival Fear & Terror Experience
Survive the terrifying world of the All About Horror modpack, where nightmares, horrific creatures, and dark environments await you at every turn.
Cursed Relics Dungeons
Cursed Relic Dungeons adds dangerous dungeons filled with secrets, traps, and hidden relic weapons with unique abilities. Explore hidden structures, discover powerful rewards, and survive deadly encounters.
Shadow of the Soul
Shadow of the Soul: A dynamic psychological horror mod. Features a Fear Level system that reacts to darkness, depths, and injuries. Includes adaptive AI that stalks you, auditory hallucinations, and environmental sabotage. Light is your only safety.
It Was My Mistake
Adds a scary entity that stalks and becomes stronger as time passes, also includes a jump scare. (Horror)
Elite Mobs Dante's Inferno Completed
Elite Mobs is a Minecraft mod that introduces powerful “elite” variants of hostile mobs. These enemies spawn during the night or can be summoned with a command for testing. Elite mobs have increased health and strength
Unlisted.dat
A subtle yet deeply unnerving psychological horror experience embedded seamlessly into Minecraft. You’ll start to question who—or what—is really playing.
Arkobia 3
Third installment of the Arkobia modpack. This time in version 1.21.1 with around 200 mods. Lots of mobs, lots of dungeons, lots of content to keep you entertained. We've got a little bit of everything.
Cobblemon Cursed Lake
This modpack blends the charm of Vanilla+ Minecraft with the adventure and creature-collecting depth of Cobblemon.
My Shadow
My Shadow adds a unique side quest to Minecraft, involving a cursed relic, a sword duel and other magic stuff.
RandomMobBoost
Give a Chance Reinforcement Every Mob.
The Choppa Age Update
This mod adds Choppas, Chopper Golems, Choppa Chests, and a new Choppa Golem boss to Minecraft. There are new items such as the cleavers, and a new extremely common biome called the wastelands.

summoners
command only mobs are now not with this mod