Minecraft Java 1.21 Mods
Browse 411 free mods for Minecraft Java 1.21 — popular picks include ZombieApocalypseSSS, Zombie Survival Mod (ZSM), Classic Combined.
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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
Zombie Survival Mod (ZSM)
Survive for 10 days fighting zombies with unique abilities. As the days progress, stronger zombies spawn, culminating in a final boss. Players can craft items, build defenses, and face various challenges to stay alive.
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
Better Left Click
Allows you to use left click bind like normal but not lose out on the competitive and survival advantage of using a keyboard key.
Ironbound Realms
You start in a brutal medieval world where monsters rule the night and kingdoms rise and fall, will you overtake it all.
Levels smp (Posh Edition)
A competitive Minecraft plugin that enhances survival gameplay with level-based health scaling, cust
Simple Physic
Simple Physic brings realistic item physics, ragdoll effects, and smooth first-person animations to Minecraft. Powered by Fabric, it mixes chaos and fun with great performance — watch mobs fly, items tumble, and explosions come alive!
Coolest Hardcore
Change game for hardcore
Survival Reimagined (NeoForge)
A Minecraft Mod with the goal of making Minecraft harder with a more realistic approach at progression
Spruce's Vanillabean
A mod that adds many well-designed, vanilla-friendly features to enhance your survival gameplay experience!
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
MC as it SHOULD be
Dabsprey's Valley (Minecraft as it SHOULD be)! A vanilla+ pack that adds animals, RPG elements to enhance survival, and more to do in the late game. Now with pocket monsters...
Hardcore Ender Dragon
Datapack that makes the Ender Dragon significantly harder with new attacks and behaviors.
Runechant
This Data Pack is meant as a reimagining of Survival Minecraft adding in a multitude of features to enhance progression and existing content as well as create new content for a Survival Player to explore.
Savaru IV - Kohtalon Mies
Diablo-like RPG Modpack. Farm loot, hunt monsters, and explore the world to unlock achievements and levels. Savarus Chapter IV — Become the chosen one and cleanse this world.
Candid - A True Adventure
Welcome to Candid! This project adds structures, enchantments, and all things catering to a true adventure. It's built as a companion to True Survival Mode, but can be played independently.
Silk Touch Spawners - Survival
A simple datapack that adds silk touch spawners that also drop their respective spawn egg to allow use in survival. Made for Minecraft 1.21
Survival Rebalanced
Improves a variety of parts in the survival experience.
+ Creatures of Sonaria +(UPD land sky and sea)+
Creatures of Sonaria Minecraft Modpack – Summary The Creatures of Sonaria Minecraft modpack is a fan-made adaptation of the hit Roblox survival game
Villager Pathfinding Fix
Villager Pathfinding Fix makes villagers smarter, polite, and survival-ready. No more getting stuck on doors, infinite shoving matches, or running in circles when attacked. They now yield to each other, open "glitched" doors, and actively seek Iron Golems
Create: The OP Cheese
A survival-friendly Create addon that adds powerful cheese-themed ores, machines, armor, weapons, guns, and rats to expand automation and progression.
ZKQ – Zombie King Quest (Boss Fight + Structures + Progression)
Adds a powerful Zombie King boss, custom structures, Frux ore progression, and epic weapons for adventure-focused survival gameplay.
Chaos Randomizer & Effects
A Fabric mod that randomizes all block and mob drops, adds random potion effects to mining, and plays sound effects for rare loot. Balanced for survival gameplay!
Scarier Mobs
Turn every other night into a blood moon with smarter, scarier mobs, custom stalking dwellers, and more dangerous survival encounters.
Genetically Modified Monsters
Adds genetically enhanced monsters with new powers, behaviors, and challenges to make survival more intense.
Oryo’s SMP & CPvP Pack.
Oryo’s Pack V2.0 is a lightweight resource pack designed for Survival Multiplayer and Competitive PvP. It features optimized textures, vibrant visuals, and a clean design that keeps file size under 256 KB for smooth performance.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
MC-Themed Powers
Adds special abilities you can unlock in survival Minecraft. Each power is based on Minecraft mobs/biomes.
MetalCamp
It's a survival mod with several items and blocks
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
Antideath-Carpet-addition
Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio
Explorepack
Embark on an immersive survival experience with explorepack. Featuring better mountains, new mob animations, dungeons, and an enhanced earlygame progression.
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
Mechanical suffering
Modpack with little bit of everything. Create, BetterEnd and BetterNether, Ice & Fire, Born in Chaos, Cataclysm , Mowzies mobs and lot more.
Ultimate Survival World Kinda
This mod adds new mobs and items to enhance your survival playing experience.
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.