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Minecraft Java 1.21 Mods

Browse 849 free mods for Minecraft Java 1.21 — popular picks include Tideworn Datapack, Nocturnal PVP, Half Heart Only?.

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Tideworn Datapack
1.21.7

Tideworn Datapack

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

214downloads
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!

212downloads
Half Heart Only?
1.21.4neoforge

Half Heart Only?

Survival challenge where players only have half a heart.

209downloads
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.

208downloads
InventorySearchBar
1.21.8fabric

InventorySearchBar

A litte mod that add's a search bar in survival invetory to search for items

201downloads
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!

201downloads
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.

201downloads
SpaceFrog's Frog Variant Changer
1.21.5

SpaceFrog's Frog Variant Changer

Change a frog's variant type using a vanilla/survival-friendly method. Works with vanilla (cold, temperate, warm) and optionally 'More Frogs 2' variants: crimson, ender, infernal, poison dart, purpur, sculk, spirit, warped, and wood.

198downloads
[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.

197downloads
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
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.

196downloads
Hardcore Revival Items
1.21.9

Hardcore Revival Items

Add custom crafting recipe and item which revive players

196downloads
intuition
1.21.1fabric

intuition

🗸 Transforms survival instincts into hotbar thoughts. Useful when you can't keep track of values or have a custom HUD (custom health and hunger display).

194downloads
Builders Bundles
1.21.9fabric

Builders Bundles

A survival friendly fix to minecraft's inventory problem - designed for builders.

192downloads
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
SoulLock
1.21

SoulLock

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

191downloads
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.

191downloads
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!

189downloads
VoidSense
1.21.4fabric

VoidSense

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

189downloads
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

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.

181downloads
Ultimate Natural Disaster
1.21

Ultimate Natural Disaster

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

179downloads
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。

179downloads
QuickSign
1.21.11fabric

QuickSign

Quick sign text copy & paste for Minecraft. Use Shift+Middle Click to copy sign text and automatically paste it to any other sign type - works in both Survival and Creative mode.

178downloads
Revive Core
1.21

Revive Core

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

178downloads
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)

177downloads
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,

177downloads
Compostable
1.16

Compostable

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

177downloads
Soul Alchemy
1.21.4

Soul Alchemy

This datapack was originally created as a way for the player to modify their own attributes in a Survival world. This datapack has since expanded to a couple more things to do with the player modifying themself of close items/objects.

176downloads
简易生存 Simple Survival
1.20.5fabric

简易生存 Simple Survival

I added over 100 recipes! 【Breaking the balance】

174downloads
DisasterSurvival
1.21.1fabric

DisasterSurvival

Survive over 20 unique natural disasters in singleplayer or multiplayer. Random disasters, generated maps, loot, and intense survival gameplay.

174downloads
Styzex's ultra hardcore
1.21

Styzex's ultra hardcore

This datapack disables the diamond armour recipes and limits the player to have only 3 hearts

173downloads
ReddishTheBest's Survival Additions | RSA
1.21.11

ReddishTheBest's Survival Additions | RSA

Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!

172downloads
ULTIMATE SMP LITE
1.20

ULTIMATE SMP LITE

A lightweight SMP utility plugin with homes, teams, TPA, scoreboard, and realistic tree gravity. Designed for clean, simple, performance-friendly survival servers.

172downloads
Survival Magnet's
1.21.9

Survival Magnet's

Add two new magnets to the game.

172downloads
Delayed Craft
1.21

Delayed Craft

When Crafting Netherite gear, you get marked for a hunt for 10m (glow, location revealed every 30s). Ends on death or survival.

169downloads