Minecraft Java 1.21 Mods
Browse 849 free mods for Minecraft Java 1.21 — popular picks include ArenaMaker, Julio's Boots, Fire Drops OP Items.
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ArenaMaker
Create PvP arenas for 1v1 duels and wave survival with ELO ranking, wagers, kits, and leaderboards.
Julio's Boots
Boots that gives you creative-mode flight in survival.
Fire Drops OP Items
Get overpowered loot while burning to add chaotic and exciting survival gameplay.
Resurrections
This is a Minecraft mod I made for my hardcore multiplayer server. After a player dies, they drop their soul which can be placed in the reviving station and revived.
Auto-Smelt Ores
Automatically smelts Iron, Gold, and Copper on break. Works with Fortune, requires no setup, and is 100% survival-friendly.
Block4Block Datapack
(Required Datapack) Survival mode with a unique cost to breaking blocks.
Ultra Blood Moon
Blood Moon turns ordinary nights into survival events with stronger mob variants and unique lunar events, pushing players toward inevitable, high-stakes encounters.
Times smp
Time SMP is a hardcore survival & PvP plugin where time is the player’s life. Time decreases in real-time, controls health, and powerful time-based weapons let players steal or destroy each other’s time.
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
Cold Biomes Only
Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!
HCIM (Hardcore Ironman)
Datapack lets you continue playing after dying in hardcore.
Bazaar Flipper
Live Hypixel Skyblock profit overlay for Fabric — ranks the top Bazaar flips, craft flips, and NPC arbitrage in real time, with realistic profit math (no fantasy margins). Client-side · no API key · no macros.
Half Size
A simple data pack that shrinks the player to one block tall.
Revive Star
The plugin provides a custom crafting recipe for a revive star. It allows you to revive dead players in hardcore mode!
SurvivalReborn
Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!
EVE - Entity Visualization Editor
The best editor text_display and item_display for survival and creativity
PermaEfe Extreme Survival
PermaEfe is a Minecraft datapack that increases the difficulty progressively for 30 days, with mechanics such as permanent death, boosted mobs and unique craftables. Ideal to play with friends and test your survival.
Mushoku Craft
A hardcore RPG mod inspired by the Mushoku Tensei universe. Master intense sword styles, level up magical schools from scratch, and forge powerful modular artifact weapons using custom mini-games.
Hungerbound
FoodHearts is a hardcore survival mod where you start with just 1 heart, and the only way to gain more health is by eating unique food items. Each new food grants you half a heart no repeats, no freebies, just pure survival.
ExtraEnderchest
A plugin that adds the Large Enderchest (one block double inventory size) with customizable crafting recepie and extensive config
No Beds
This mod removes all beds from Minecraft, making sleeping impossible and forcing you to face the night every time. It makes the game harder, changes how you explore, and gives the world a more dangerous, nonstop survival vibe.
Bigger and Better?
The mod can change the body shape of any organism in survival mode
Inventory Profiles Plus
Inventory Profiles Plus is a client-side Fabric mod for custom inventory layouts, including Crystal PvP, Mace PvP, Sword PvP, Axe PvP, building, mining, and survival setups. Quickly sort items, cycle profiles, and keep gear exactly where you want it.
Compassionate Hardcore
Compassionate Hardcore Mod lets you respawn far away after death instead of losing your world. Keep the challenge, but turn death into a new adventure!
More Recipes: Additional Bone Block Crafting
Craft Bone Blocks straight from Bones.
Graves PRO
⚡ Grave system for modern survival servers ⚡
Just Another Survival Debug Stick
A simple, lightweight mod that brings debug stick crafting and usage to survival mode – yet offers deep customization for those who want full control.
Burning Daylight
Adds a survival twist to your gameplay with a plugin that causes players to take damage when exposed to sunlight.
QoL
(1.21.5+), Adds Quality of Life features that everyone needs in their Survival worlds/servers (will also include some of my other datapacks/mods in here)
Far Frozen
Will you be able to survive and escape the frosty, Far Frozen landscape? All cold biomes. Hard early game survival.
Smp Launch Plugin
SMP Launch is a streamlined and lightweight Minecraft plugin designed to automate the chaotic start of a new Survival Multiplayer (SMP) season. With the simple command /smpstart
Better Buttons & More Trapdoors
Get 6 trapdoors from the recipe, and 8 buttons from one block.
MeowFurniture
Create survival-friendly custom blocks, ores, multiblocks, crafting, and commands, with a web block generator.
Experimental Gameplay
Testing various ideas for survival that may need iterating or to be scrapped. Please provide feedback!
Three Lives Fabric
Hardcore but you have 3 lives until you get kicked from the server.
Sleep Anywhere (/trigger liedown)
/trigger liedown With a simple survival-command, you can lie down (sleep) anywhere!