Minecraft Java 1.21 Mods
Browse 127 free mods for Minecraft Java 1.21 — popular picks include FTB Skies 2, SwapBallsReborn [Cobblemon], Beebeeblock - The Skyhive.
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FTB Skies 2
Our skyblock experience built for Minecraft 1.21.1 with a focus on rewarding gameplay, custom mechanics, and player-driven progression!
![SwapBallsReborn [Cobblemon]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/135715.webp)
SwapBallsReborn [Cobblemon]
SwapBallsReborn let's you swap your Pokémon's catch ball in survival mode.
Beebeeblock - The Skyhive
Beebeeblock: The Skyhive [蜂蜂空坊]. A Skyblock modpack focused on the Productive Bees mod. Created for players who want to become familiar with bee mechanics.
Realistic Survival
A unique plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.
Hardcore Revive+
A highly configurable data pack that lets you revive your friends in Hardcore mode.
ArmorTweaks
Different armor and damage mechanics that make make survival more suitable for PvP.
True Survival
True Survival Mode is a comprehensive set of 1.21+ datapack features that aim to overhaul Minecraft's survival mode. It tackles difficulty and progression through means that don't disrupt Minecraft's regular gameplay, while also providing new adventures!
Survival Weather Control
Allows you to summon a thunderstorm using the classic altar used to spawn herobrine!
![Hardcore Revive+ [OLD VERSION]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/136567.webp)
Hardcore Revive+ [OLD VERSION]
An add-on to your world that allows you to revive your friends in Hardcore Mode. Discontinued -- Use the new Hardcore Revive+ instead.
ForgeCraft - Equipment Extension
Inspired by Hypixel Skyblock Reforge System. Upgrade your equipments and enhance the progression! Customizable Vanilla Item stats......
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.
Mr_ChibisMMO
Survival based MMO for players to have fun in either (Singleplayer, Multiplayer, or Modded) skills such as, "Agility", "Attack", "Cooking", "Defense", "Excavation", "Fishing", "Hitpoints", "Hunter", "Magic", "Mining" & "Commands/Custom World Gen loot".
Naturalis - Realistic Remorphed
RP Survival morph progression for ReMorphed: Knowledge XP, instincts, Resonance bonding, Humanity, and body-specific mechanics.
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.
Excavating Enchant: 3x3 Mining!
New enchant for pickaxes and shovels that lets you mine 3x3x3 areas! Perfect for survival servers and very vanilla friendly.
Creativerse
Survival and Creative mode dimensions in the same world!
Create Aeronautics: Survival Physics Staff
This mod adds a new survival physics staff which has a survival recipe and uses backtank pressure as fuel.
Hardcore Revive Reloaded
Implements a three life system that creates a more multiplayer-friendly hardcore mechanic. Discontinued -- Use the new Hardcore Revive+ instead.
Vanilla Items Expanded
Adds new QoL items like magnets to make survival better. Vanilla friendly!
Health-Sync
Health-Sync -- Link hearts, hunger, and effects with your entire squad! Damage is shared instantly—if one takes damage, everyone feels it. The ultimate Health Share plugin for cooperative survival and hardcore challenges.
Aeternum Seasons
A dynamic and realistic station system for Minecraft Survival. Eng & Esp | Plug & Play
LivesPlugin
LivesPlugin: Hardcore Minecraft plugin with limited lives, revives, and Life Stars. Made with ❤️ by Kai.
Backrooms: The Complex
A survival friendly, lore accurate backrooms mod with high quality visuals.
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
Survival Not Guaranteed
Dive into an expansive Minecraft modpack that blends challenging survival mechanics like temperature and thirst with extensive exploration of overhauled dungeons and new biomes, all while offering dynamic combat, magical mastery, and complex automation.
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.
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
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.
Enchantment MAX
Max level of enchantments are now 255! NO COMMANDS! All available in creative, and combined in survival!
FlyInTheSky
Using the /fly command you can now fly in survival mode, and all without taking any fall damage.
Repair Cost Remover
Removes any repair cost when entering an inventory or being selected. 100% prevents Too Expensive in survival.
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
Weightless
A highly configurable, semi survival-friendly flight mod
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.