Minecraft Java 1.21 Mods
Browse 862 free mods for Minecraft Java 1.21 — popular picks include Tideworn Datapack, LightBlockPlus, Better Reimagined.
Updated daily
Tideworn Datapack
A Datapack Made to make the Tideworn map survival more friendly.

LightBlockPlus
Allows Survival mode players to break or modify the light level of light blocks.
Better Reimagined
Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs
XP2HP
XP2HP is a lightweight, Folia-compatible plugin that dynamically scales player health and combat stats based on their experience level. It's ideal for RPG-style progression and fully configurable for survival or adventure servers.
Limited World Helper
This Mod adds craftings and trades to Minecraft for those who play in structureless superflat and/or skyblock!
[SW] Aether Tweaks
Simplifies Aether accessories to capes + gloves, replaces survival inventory with accessories screen, and restricts Sun Altar to OP players.
Against the Wild: Realistic Survival
Against the Wild is an immersive realism mod that transforms Minecraft survival into something that actually feels like fighting to stay alive. No magic shortcuts, no easy starts. The world is harsh, unforgiving, and beautiful just like the real wilderness
SurvivalMethod
A Minecraft (Paper) plugin that introduces realistic survival mechanics: a stamina system and a thirst system. Both systems are highly configurable and can be enabled or disabled independently. This plugin does not require any additional resource packs.
Nocturnal PVP
"Fight at night, truce by day!" This datapack automatically enables PVP only during nighttime, creating intense nocturnal combat scenarios, then disables PVP at dawn to let players regroup. Perfect for survival servers seeking risk-reward gameplay!
xApocalypse
A brutal, customizable zombie apocalypse plugin for survival servers
HighTide's Skyblock Profile Viewer
A mod for Minecraft that adds commands and GUIs that will display a players Hypixel SkyBlock stats.
The Krptonians
A mod made in 3 hours that aims to add Kryptonian superpowers and supermans costume! fully obtainable in survival! (part of my 3 hour challenge series)
SoulLock
Trap player souls on death and revive them by placing their head. Perfect for survival, PvP, and co-op servers.
EpicTrade
EpicTrade — A simple yet powerful Minecraft trading system that lets players securely exchange items with clickable requests and an intuitive interface. Perfect for survival and economy servers!
Three Lives Before Death
Tired of dying in hardcore? No problem! With this plugin, you have three tries before being sent to spectators.
Evergrowth
This mod overhauls and extends existing Minecraft features, improving core systems and mechanics to create a more advanced and engaging survival experience.
Chaos X
A mod bringing 100+ random events to Minecraft. Every 60s, a new chaos affects all players at once. Features 4 languages, rare Omega Chaos, and custom timers for an unpredictable, epic survival challenge!
VoidSense
Bayesian AI survival assistant that learns your playstyle to predict death probability and provides personalized warnings when danger approaches.
Rotwire
A Zombie Survival take on Minecraft with infested cities. Establish a radio connection with the survivors to maintain your ammunition and resource supply. Migrate from town to town as their difficulty scales with your activity within each of them.
Wound & Bleeding
Wound & Bleeding adds a realistic injury system where players and mobs can bleed from combat, losing health over time unless treated with craftable bandages. It enhances tactical gameplay in PvP and survival by making every hit potentially deadly.

Better Stone Crafting
Adds a variety of new ways to craft and recycle all types of stone blocks!
FlyWithFood_fabric
Hunger Flight, allows survival players to fly, deducts Hunger Points over time, facilitates building use. 饥饿飞行,允许生存玩家飞行,随时间扣除饥饿值,方便建筑使用。

Hardcore Revival Items
Add custom crafting recipe and item which revive players
Ooga Booga Craft
This modpack is based on TerraFirmaCraft, enhancing its core experience, improving world interaction, and introducing new realistic survival mechanics.
anvil command
Portable Anvil is a simple and lightweight Paper/Spigot plugin that lets players open an anvil anywhere with the `/anvil` command. Perfect for survival, hardcore, SMP, and PvP servers, this plugin gives players fast access to repairing,
One Block To End All One Blocks
Quest-driven one block survival for Fabric 1.21.4. Break your block, earn drops, complete quests, advance through 6 phases. Multiplayer-ready with team islands and bridge merging. Requires Fabric API.
Heartcore Mode
A Gamemode easier than Hardcore but harder than Survival. Ten Lives, lose a heart on death. Enjoy! Icon was originally made in Icons8 but then altered by me.
Ultimate Natural Disaster
WorldIsEnding is a hardcore Minecraft plugin that simulates massive in-game natural disasters in real time.
Cozy Cherry Fields
A small quality-of-life mod for relaxed survival in Cherry Grove.
StarNav:Celestial Navigation
Realistic hardcore world navigation
Revive Core
Hardcore death-ban plugin with revival mechanics and self-revive protection.
Mobs Drop Their Abilities
Defeat mobs and steal their powers! Unlock unique passive abilities like flight and teleportation, or use active items like the explosive Detonator. Transform your survival experience by using the monsters' own strengths against them.
Compostable
Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!
SMPEnhanced+
A comprehensive plugin built for survival multiplayer servers that want fine-grained control over combat balance, limits, and quality-of-life improvements which are all configurable in-game.
Drop & Grow
Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival

BIG Challenges
BIGChallenges: The Ultimate Survival Test 💀