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Minecraft Java 1.21 Mods

Browse 56 free mods for Minecraft Java 1.21 — popular picks include Horrorland 2 - Psychological and Classic Horror Modpack (with Horror Quests), Herobrine survival, Emerald Vanilla | PvP Overlay.

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Horrorland 2 - Psychological and Classic Horror Modpack (with Horror Quests)
1.21.1neoforge

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!

155kdownloads
Herobrine survival
1.21.4neoforge

Herobrine survival

This mods adds the appearance of herobrine in your survival, nightmares, a new dimension

77kdownloads
Emerald Vanilla | PvP Overlay
1.16.5

Emerald Vanilla | PvP Overlay

Enhance your Minecraft experience with the Emerald Vanilla Overlay! Designed for competitive players, this texture pack delivers sleek and vibrant visuals without compromising performance. Perfect for PvP and survival gameplay.

24kdownloads
One Block Horror
1.21.10fabric

One Block Horror

Start on a single block and progress by unlocking resources, dimensions, and challenges… now with added HORROR mods that introduce creepy creatures.

20kdownloads
Corner Entity
1.21.1forge

Corner Entity

is an atmospheric horror mod that turns your peaceful Minecraft survival into a nerve-wracking experience. You will never feel truly safe again, as something is watching you from the shadows, waiting for the perfect moment to strike.

18kdownloads
Better, Faster Happy Ghasts
1.21.6

Better, Faster Happy Ghasts

Configurable speeds for the Happy Ghast, perfect for survival servers!

10kdownloads
Horror OneBlock
1.21.1neoforge

Horror OneBlock

OneBlock survival with horror mobs, dwellers, guns, shaders, and Create automation.

5.5kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.1kdownloads
All About Horror - Survival Fear & Terror Experience
1.21.1neoforge

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.

4.9kdownloads
ZombieApocalypseSSS
1.21

ZombieApocalypseSSS

ZombieApocalypseSSS is a comprehensive Minecraft plugin that transforms your server into a thrilling zombie survival apocalypse. Featuring advanced zombie AI, evolving variants, player infection mechanics, psychological horror elements, and dynamic events

2.7kdownloads
Classic Combined
1.21.8neoforge

Classic Combined

This mod creates a Classic Minecraft/Modern Minecraft hybrid experience. Recreates modern features in a Classic Minecraft/Alpha Minecraft style. Fully Survival compatible

2.7kdownloads
Scarier Mobs
1.21.11fabric

Scarier Mobs

Turn every other night into a blood moon with smarter, scarier mobs, custom stalking dwellers, and more dangerous survival encounters.

1.4kdownloads
Deepcraft
1.21.4neoforge

Deepcraft

A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.

1.3kdownloads
Shearing Sheeps Drop op loot
1.21

Shearing Sheeps Drop op loot

Shear a sheep → get insane end-game loot. Works on every version from 1.21 to 1.21.10. Adds custom loot table, and turns sheep into walking OP supply crates. Perfect for chaos survival or challenge world

1.2kdownloads
Sanity System
1.21.4fabric

Sanity System

A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.

1.0kdownloads
MobPVP // CANCELLED
1.21fabric

MobPVP // CANCELLED

MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.

1.0kdownloads
The Broken Moon Script.jar -ERR422
1.21.1neoforge

The Broken Moon Script.jar -ERR422

An unpredictable Minecraft modpack that throws you into chaotic survival with bizarre physics, creepy mobs, and surreal events.

576downloads
Sanity System – Psychological Survival
1.21.4fabric

Sanity System – Psychological Survival

A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.

571downloads
Ultra Blood Moon
1.21

Ultra Blood Moon

Blood Moon turns ordinary nights into survival events with stronger mob variants and unique lunar events, pushing players toward inevitable, high-stakes encounters.

421downloads
PermaEfe Extreme Survival
1.21.5

PermaEfe Extreme Survival

PermaEfe is a Minecraft datapack that increases the difficulty progressively for 30 days, with mechanics such as permanent death, boosted mobs and unique craftables. Ideal to play with friends and test your survival.

399downloads
BounceCraft: ModernConflict
1.21.1neoforge

BounceCraft: ModernConflict

Modern technical survival with industries, weapons, vehicles, and advanced warfare. Automate, dominate the world, face creepy creatures, and live in a technologically advanced society ruled by nations.

348downloads
Dirtblock Skyblock
1.21.1neoforge

Dirtblock Skyblock

A twist on the classic skyblock map, inspired by the Dirt Platform Mod by HappyFish.

342downloads
Random Mob
1.21.1neoforge

Random Mob

This mod adds a very hardcore minigame to Minecraft! Every 30 seconds, a mob with a random modifier spawns in your world, making the game much harder! Can you beat Minecraft and kill the Ender Dragon with this mod?

318downloads
Randomium Skyblock
1.21.1fabric

Randomium Skyblock

A faithful recreation of Torchy's challenge: Minecraft Skyblock, but EVERY single block broken and mob killed drops a completely random item!

222downloads
Easy Spawn Eggs
1.21.2fabric

Easy Spawn Eggs

The Fastest way to craft Spawn Eggs in Survival Minecraft.

211downloads
No Mob SFX
1.7.10

No Mob SFX

In case you want an extra hardcore challenge, this pack removes all sounds from vanilla mobs. Mwhahahahaha!

203downloads
Waffled
1.21.8neoforge

Waffled

This is a skyblock-style mod, but with waffles!

130downloads
Mitos Argentinos
1.21.8neoforge

Mitos Argentinos

A survival and adventure mod that brings the myths and legends of Argentine folklore to your Minecraft world. / Un mod de supervivencia y aventura que trae los mitos del folclore argentino.

120downloads
Time Hunter
1.21.5

Time Hunter

Time Hunter is a team PvP survival datapack where players compete by mining resources and eliminating foes to extend their countdown, with elimination on timeout, supporting 2-4 team battles and strategic combat.

114downloads
[DISCONTINUED] Travis Takeover
1.21.1neoforge

[DISCONTINUED] Travis Takeover

Its corruption messes with your survival.

113downloads
Blocked In Hardcore
1.21

Blocked In Hardcore

A challenging version of the Blocked In datapack

107downloads
Wither Survival
1.21

Wither Survival

Every mob turns into Withers. Try to beat the game

79downloads
Random Eventy
1.21.11fabric

Random Eventy

When creating a new world you have a new button, there you can configure the randomness of your survival world!

69downloads
NotQuiteDead
1.21

NotQuiteDead

Become a zombie, husk, and drowned in survival!

65downloads
True Man's World
1.21

True Man's World

This data pack is designed to make your survival more difficult without adding new mobs, using hardcore or reducing health to zero.

43downloads
simulator infection  epidemic crisis
1.21

simulator infection epidemic crisis

apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.

42downloads