Fabric Mods for Minecraft 1.21
Browse 238 free Fabric mods for Minecraft 1.21 — popular picks include OneSlotChallenge, HardSet, Survival Enhancements.
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OneSlotChallenge
A brutal hardcore mod that locks all inventory slots except the 5th. The remaining 35 slots are filled with permanent barriers. Survive with only one slot if you can!
HardSet
A new world type alongside Survival, Creative, and Hardcore that makes hardcore truly enforced and tamper-resistant. No commands, no creative, no cheats, and no loading a backup to undo a death.
Survival Enhancements
Tons of survival enhancements that only try to improving existing things, and not add new mechanics. Supports 1.21.8 (1.21.9 and 1.21.10 coming soon!)
The Great Nether Challenge
A mod designed to be a new challenge and experience for streamers, youtubers, friends, whomever! It has a progressive episode and phase system to bring survival to it's highest level.
Silk Harvest
Add the ability to get spawn eggs in survival from killing mobs using a silk touch tool.
Honest Hardcore
No second chances. No fake Hardcore. This mod disables spectating after death in hardcore and invalidates all advancements if you ever cheat.
No Coal
This mod removes all coal from Minecraft, so you can’t mine it, find it, or use it as fuel. It makes early-game survival way harder since torches and smelting become a real struggle.
No Chestplate
This mod removes all chestplates from Minecraft, so you can’t craft, find, or wear them. You lose the strongest armor slot in the game, making survival way more dangerous.
Hardcore Slots
In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.
Lemony's Survival modpack
This is the Lemony Minecraft server modpack, adding performance, visuals, and new mechanics. It can also be used outside the server.
Legit sleep
Skip day or night in survival without using /time set or cheats.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
Final Destination HUD
It adds a kill tracker for final destination armor in hypixel skyblock, visible on the HUD
EnchCoalTracker
A Hypixel Skyblock mod used for tracking coins/h when coal mining.
Seamless Survival Overhaul
A modpack designed to enhance and deepen the survival experience, adding new challenges, mechanics, and immersive features.
Weather Cycler
Change weather and time in Hardcore worlds without commands.
UltraUltraHardcore
Mod that allows you to make your game more difficult in (probably) unfair way.
SBFixes
Fixes some annoying issues in Hypixel Skyblock
真正的极限模式
Locks cheats, encrypts worlds, and detects save rollbacks to keep Hardcore mode truly fair.
PeaceSMP
A server-driven alignment mod introducing an advanced Karma tracking system, and game-changing combat abilities for survival multiplayer.
MrCyborg's SBM
QoL and more mods for Hypixel's Skyblock
Survival Harmony
This modpack doesn't add anything new; it simply refines existing game mechanics. It's designed to enhance the gameplay experience in the base game and make it more enjoyable.
derad-bros Ultimate Survival
Adds light early game progression to Survival mode inspired by bushcraft & vanilla Minecraft.
Ultimate Vanilla
A fully configurable collection of vanilla survival tweaks

More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
Infinite Snowballs!
Throw unlimited snowballs in Survival mode by holding at least two snowballs. Below that, the mod works just like vanilla Minecraft.
Charred Remains
Wither Skeletons drop Burnt Bones, a new item that can be crafted into Coal Dust and used as a fuel source. A small but flavourful addition to your survival world.
Smarter Nether Portals
Modifies how Minecraft creates Nether Portals. The scale of the overworld and nether is now dependent on the difference in center positions and size of the world borders. This is useful for small world border survival games.
Route Helper
This is a QoL mod for skyblock that adds player relative waypoints. This is most usefull for routing out grottos easily.
An Unbelievable Recipe MOD
Can't craft in Survival mode? Want to get bedrock? Wait, there aren't any Endermen anywhere! That's when you should use this mod! With this mod, you can craft 9 types of blocks that you normally can't craft!
Insomnia - Hard Mode
Enhances all hostile mobs. New mechanics, higher stats, unique combat. Hardcore survival.
One-Tap Rule
A hardcore Fabric mod replacing vanilla damage with a fixed, arcade-style hitpoint system and disabling natural regeneration.

GlowSense
This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.
Half-life Hardcore
Bring back friends with a portion of your health.

Perfect Light (Survival Light Blocks)
Full control of invisible light blocks: craft, adjust by right-click, remove
Kaleidoscope Cookery Mod (1.21.1. 1.20.1) – Delicious Dishes And Innovative Tools
Kaleidoscope Cookery Mod (1.21.1. 1.20.1) expands the game's culinary system with rich recipes, innovative equipment, and a focus on realistic, engaging food preparation. It transforms cooking into a core gameplay element, perfect for survival, RPG, or farm-focused modpacks. Features: Adds mechanics that go beyond vanilla food crafting, simulating realistic preparation and cooking steps. Includes a […]