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
A Datapack Made to make the Tideworn map survival more friendly.
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!
Half Heart Only?
Survival challenge where players only have half a heart.
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.
InventorySearchBar
A litte mod that add's a search bar in survival invetory to search for items
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!
HighTide's Skyblock Profile Viewer
A mod for Minecraft that adds commands and GUIs that will display a players Hypixel SkyBlock stats.
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.
[SW] Aether Tweaks
Simplifies Aether accessories to capes + gloves, replaces survival inventory with accessories screen, and restricts Sun Altar to OP players.

Better Stone Crafting
Adds a variety of new ways to craft and recycle all types of stone blocks!
Three Lives Before Death
Tired of dying in hardcore? No problem! With this plugin, you have three tries before being sent to spectators.

Hardcore Revival Items
Add custom crafting recipe and item which revive players
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).
Builders Bundles
A survival friendly fix to minecraft's inventory problem - designed for builders.
Ooga Booga Craft
This modpack is based on TerraFirmaCraft, enhancing its core experience, improving world interaction, and introducing new realistic survival mechanics.
SoulLock
Trap player souls on death and revive them by placing their head. Perfect for survival, PvP, and co-op servers.
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.
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.
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
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.
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。
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.
Revive Core
Hardcore death-ban plugin with revival mechanics and self-revive protection.
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)
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,
Compostable
Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!
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.
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
DisasterSurvival
Survive over 20 unique natural disasters in singleplayer or multiplayer. Random disasters, generated maps, loot, and intense survival gameplay.
Styzex's ultra hardcore
This datapack disables the diamond armour recipes and limits the player to have only 3 hearts
ReddishTheBest's Survival Additions | RSA
Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!
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.
Survival Magnet's
Add two new magnets to the game.
Delayed Craft
When Crafting Netherite gear, you get marked for a hunt for 10m (glow, location revealed every 30s). Ends on death or survival.