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Minecraft Java 1.21 Mods

Browse 862 free mods for Minecraft Java 1.21 — popular picks include Tideworn Datapack, LightBlockPlus, Better Reimagined.

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Tideworn Datapack
1.21.7

Tideworn Datapack

A Datapack Made to make the Tideworn map survival more friendly.

221downloads
LightBlockPlus
1.18

LightBlockPlus

Allows Survival mode players to break or modify the light level of light blocks.

221downloads
Better Reimagined
1.21.11fabric

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

220downloads
XP2HP
1.21.4

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.

220downloads
Limited World Helper
1.21.8neoforge

Limited World Helper

This Mod adds craftings and trades to Minecraft for those who play in structureless superflat and/or skyblock!

220downloads
[SW] Aether Tweaks
1.21.1neoforge

[SW] Aether Tweaks

Simplifies Aether accessories to capes + gloves, replaces survival inventory with accessories screen, and restricts Sun Altar to OP players.

219downloads
Against the Wild: Realistic Survival
1.21forge

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

217downloads
SurvivalMethod
1.20

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.

216downloads
Nocturnal PVP
1.21

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!

213downloads
xApocalypse
1.21

xApocalypse

A brutal, customizable zombie apocalypse plugin for survival servers

211downloads
HighTide's Skyblock Profile Viewer
1.21.1fabric

HighTide's Skyblock Profile Viewer

A mod for Minecraft that adds commands and GUIs that will display a players Hypixel SkyBlock stats.

208downloads
The Krptonians
1.21.8neoforge

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)

204downloads
SoulLock
1.21

SoulLock

Trap player souls on death and revive them by placing their head. Perfect for survival, PvP, and co-op servers.

204downloads
EpicTrade
1.17

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!

204downloads
Three Lives Before Death
1.21

Three Lives Before Death

Tired of dying in hardcore? No problem! With this plugin, you have three tries before being sent to spectators.

203downloads
Evergrowth
1.21.11fabric

Evergrowth

This mod overhauls and extends existing Minecraft features, improving core systems and mechanics to create a more advanced and engaging survival experience.

201downloads
Chaos X
1.21neoforge

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!

200downloads
VoidSense
1.21.4fabric

VoidSense

Bayesian AI survival assistant that learns your playstyle to predict death probability and provides personalized warnings when danger approaches.

200downloads
Rotwire
1.21.1neoforge

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.

199downloads
Wound & Bleeding
1.21.4

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.

198downloads
Better Stone Crafting
1.21.4

Better Stone Crafting

Adds a variety of new ways to craft and recycle all types of stone blocks!

197downloads
FlyWithFood_fabric
1.21.11fabric

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。

196downloads
Hardcore Revival Items
1.21.9

Hardcore Revival Items

Add custom crafting recipe and item which revive players

196downloads
Ooga Booga Craft
1.21.1neoforge

Ooga Booga Craft

This modpack is based on TerraFirmaCraft, enhancing its core experience, improving world interaction, and introducing new realistic survival mechanics.

192downloads
anvil command
1.21.11

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,

190downloads
One Block To End All One Blocks
1.21.4fabric

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.

187downloads
Heartcore Mode
1.21.5

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.

187downloads
Ultimate Natural Disaster
1.21

Ultimate Natural Disaster

WorldIsEnding is a hardcore Minecraft plugin that simulates massive in-game natural disasters in real time.

185downloads
Cozy Cherry Fields
1.21.11neoforge

Cozy Cherry Fields

A small quality-of-life mod for relaxed survival in Cherry Grove.

184downloads
StarNav:Celestial Navigation
1.21.1neoforge

StarNav:Celestial Navigation

Realistic hardcore world navigation

184downloads
Revive Core
1.21

Revive Core

Hardcore death-ban plugin with revival mechanics and self-revive protection.

184downloads
Mobs Drop Their Abilities
1.21.4fabric

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.

183downloads
Compostable
1.16

Compostable

Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!

183downloads
SMPEnhanced+
1.21.11

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.

183downloads
Drop & Grow
1.21.5

Drop & Grow

Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival

181downloads
BIG Challenges
1.21.1neoforge

BIG Challenges

BIGChallenges: The Ultimate Survival Test 💀

180downloads