Minecraft Java 1.21 Mods
Browse 49 free mods for Minecraft Java 1.21 — popular picks include Crystcursed Dragon (Dragon Survival Add-On), Herobrine survival, One Block Horror.
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Crystcursed Dragon (Dragon Survival Add-On)
A custom crystcursed dragon species for Dragon Survival 1.21.1.
Herobrine survival
This mods adds the appearance of herobrine in your survival, nightmares, a new dimension
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.
Jujutsu Craftsen
adds jjk/jujutsu kaisen charecters to minecraft, 100% survival friendly, features a multitude of cursed techniques and an original take on cursed tools
KDCraft
This is a magical horror pastel color partial medieval survival resource pack, which does not affect the original experience but only changes the art style, and feels a slightly scary and beautiful magical world BY KuLou_D
World In a Jar
(Snowglobe) A terrarium-inspired block made for builders and survival players alike.
Vanilla But Wrong
Vanilla but wrong is a Fabric psychological horror mod for singleplayer and multiplayer. One shared sanity system, adaptive Director events, trauma progression, and UI/audio corruption turn normal survival into a tense mind game.
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.
CRYPTID-Old School Horror
Meet old school Minecraft with modern analog horror.
Dracenia
Dracenia is a dark-fantasy modpack built around Vampirism, Werewolves, and Ice and Fire. Choose a supernatural path, face dragons and legendary beasts, and survive a hostile world where power is earned through risk and mastery.
ES CRAFT
A wonderful world for every lover of adventure, excitement and horror.
Better and Hearder
A minecraft modpack that is like RLcraft and Better minecraft and with some horror mods like the cave dweller, and this modpack adds Gun mods and TNT mods.
Backrooms: The Complex
A survival friendly, lore accurate backrooms mod with high quality visuals.
KDCraft~Fantastic journey
This is a magical horror pastel color partial medieval survival resource pack
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
The Classic Script
This is a single-player horror modpack throws you into a creepy, unpredictable world where everythink feels alive. Survival won’t be easy, because something is always watching.
EaterSMP
A survival and horror experience, RPG, magic, and tech into a chilling adventure.
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
SharedSoul
Experience true cooperative survival where all players share health, hunger, inventory, XP, and death. When one player takes damage, everyone feels it. When one dies, all die together. Perfect for close-knit groups seeking the ultimate teamwork challenge.
OneHitTree
OneHitTree instantly breaks entire trees with one block hit. This lightweight plugin works across Minecraft 1.13-1.21, featuring configurable options and automatic leaf cleanup for efficient wood gathering.
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.
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.
horror things
its a horror game with the create mod and space how will this go
Moar Spears
16 new spear types with unique, powerful, wacky, and OP abilities, all while fitting nicely into vanilla survival.
Arcade
Survival mini game plugin that adds survival twists to your Minecraft server, bringing a fresh twist to Minecraft for you and your friends.
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.
Pickaxes+
a collection of cursed, enchanted, and hella beefed-up pickaxes designed to make your survival world weep and your friends ask 'what the hell is that.'
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.
Burning Daylight
Adds a survival twist to your gameplay with a plugin that causes players to take damage when exposed to sunlight.
Minecraft, But Keep Moving or Die!
This datapack introduces a unique survival challenge where players must maintain continuous movement to stay alive. When a player remains stationary, they begin taking progressive damage until they move again or perish.
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
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.
Blocked In Hardcore
A challenging version of the Blocked In datapack
Disaster SMP
DMSP (Disaster Management System Plugin)Cinematic Natural Disasters for PaperMC 1.21+DMSP is not just a plugin; it's an environmental overhaul designed to challenge even the most seasoned survivalists.
mutationcraft-plus
Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.
Hardcore Slots
In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.