Minecraft Java 1.21 Mods
Browse 259 free mods for Minecraft Java 1.21 — popular picks include Horror but American, Pickaxes+, Lumi Eras of Discovery.
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Horror but American
This is a horror mod but with a much more enjoyable experience. This mod adds things such as better animation, multiplayer for free, guns, new weapons, new ores, and much better villages..
Pickaxes+
a collection of cursed, enchanted, and hella beefed-up pickaxes designed to make your survival world weep and your friends ask 'what the hell is that.'
Lumi Eras of Discovery
This is a Hardcore tech, adventure focused
BackPackSSS
Custom tiered backpacks with progression crafting, upgrade system and persistent storage — designed for survival servers.
Cold Biomes Only
Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!
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.
Dirtblock Skyblock
A twist on the classic skyblock map, inspired by the Dirt Platform Mod by HappyFish.
Hardcore Hearts Stream Team Sound Pack
This is a Minecraft resource pack containing sounds featuring various Twitch streamers in CarlCrafts' Hardcore Hearts Stream Team.
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.
BounceCraft: ModernConflict
Modern technical survival with industries, weapons, vehicles, and advanced warfare. Automate, dominate the world, face creepy creatures, and live in a technologically advanced society ruled by nations.
Random Mob
This mod adds a very hardcore minigame to Minecraft! Every 30 seconds, a mob with a random modifier spawns in your world, making the game much harder! Can you beat Minecraft and kill the Ender Dragon with this mod?
Burning Daylight
Adds a survival twist to your gameplay with a plugin that causes players to take damage when exposed to sunlight.
Dual Drive
Two players, one body. Split movement, vision, and actions with a friend in a chaotic co-op survival challenge where teamwork is the only way forward.
B's Instruments
Plugin that adds survival friendly Musical Instruments
TenLives
TenLives is a Minecraft plugin designed to add an extra layer of challenge and excitement to your survival gameplay
Titans Beyond the Walls
Fight for humanity’s survival beyond the walls in a brutal Minecraft adventure built around Danny's AOT Mod, where Titans roam and every expedition could be your last.
Minecraft, But Keep Moving or Die!
This datapack introduces a unique survival challenge where players must maintain continuous movement to stay alive. When a player remains stationary, they begin taking progressive damage until they move again or perish.
KittyClient
A Client Side Mod for Hypixel Skyblock adding some useful and many fun features.
WorldFall
Every time a player in survival mode moves to another block, the previous column disappears.
Devil Ultimate Pack
The ultimate texture pack for SMP, PvP, and survival gameplay. Clean visuals, better clarity, enhanced aesthetics, and an optimized Minecraft experience.
Half Heart Hardcore (HHH)
All it does is set the player's max health to half a heart. It works on any player that joins the game later. Optimized to the max
Easy Spawn Eggs
The Fastest way to craft Spawn Eggs in Survival Minecraft.
CC: Hardcore
This mod was created to modify the recipes in the CC:Tweaked mod, adding more difficulty.
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
Randomium Skyblock
A faithful recreation of Torchy's challenge: Minecraft Skyblock, but EVERY single block broken and mob killed drops a completely random item!
Survival to creative twist
Every 5 minuts you can choose one item , you'll get 1 of it
DirtExtras
DirtExtras adds new dirt, coarse dirt and gravel decorations to Minecraft, all obtainable in survival through crafting.
quizsurvival
Quiz Survival turns every action in Minecraft into a knowledge challenge. Chop, mine, fight, jump — answer a question first.Every action requires a quiz. Custom question banks — swap in math, physics, or any subject. Play and learn.
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
mSilkBedrock
A plugin that allows you to mine bedrock in survival.
True Hardcore HUD
Removes most of the HUD for a truly hardcore experience
No Mob SFX
In case you want an extra hardcore challenge, this pack removes all sounds from vanilla mobs. Mwhahahahaha!
Death Kick
This plugin is useful for scripted SMP's which are "hardcore" basically, this plugin just kicks players after they die. Zero bloat.
SoulLock
Trap player souls on death and revive them by placing their head. Perfect for survival, PvP, and co-op servers.
Fake Hardcore Hearts
This resource pack adds fake hardcore hearts while looking like a fulbright texture pack ingame to fool your friends!
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!