Fabric Mods for Minecraft Java
Browse 25 free Fabric mods for Minecraft Java — popular picks include Rival Trespassers, RPG Mob Leveling System, Improved Happy Ghast.
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Rival Trespassers
Fight survivalist minibosses in structures - just like you!
RPG Mob Leveling System
Every mob has the potential to grow stronger, smarter, and more dangerous as they gain levels. With dynamic scaling of health, damage, and special abilities, each encounter becomes a unique challenge that will test your survival skills
Improved Happy Ghast
Allows players to create a not-wandering, faster, smaller, silenced Happy Ghast, get damage alerts and even summon it back in survival using items.
Sheepish's Fragments
Allow players to craft Mob Spawners in Survival. Harvest souls of every vanilla mob to make any spawner.
ModernMITE
ModernMITE is a fork of MITE Equilibrium — a 1.21.1 port of the classic hardcore survival mod Minecraft Is Too Easy (MITE).
Magic Singing
Study and singing to release magics. Assist in survival or embark on adventures. Recruit partners and summon monsters.
Sanity System
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
BLACKSOULS II
A hardcore dark-fantasy RPG mod with custom stats, skills, bosses, souls, weapons, accessories, and brutal combat mechanics.
Planetary Diaries
Epic Space Mod to extend your two week survival fase! With a brand new dimension with all new PLANETS you can discover over 20+ structures, new resources, blocks, creatures and even custom BOSSES!
Help Me Hardcore
Help Me Hardcore Adds All Kinds of Extra Challenges from Community Ideas to Full-Themed Updates for Your Hardcore Worlds or Even Hardcore SMP Servers!
JOJO - stone block crusaders
Many features from the popular manga/anime jojo's bizzare adventure (jjba)

BloodInfection999
Delve into a world ravaged by a terrifying blood infection, where once-peaceful creatures are corrupted and your own survival is constantly under threat.
Sanity System – Psychological Survival
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
Progressive Difficulty Scaler
Light mod that scales hostile mob health and damage to match progression, so later gameplay and hardcore worlds are actually difficult.
Paleolithic Era
Adds paleolithic era crafting, survival tools, and tech to early Minecraft gameplay. Expands the early game tiers a bit more.

Hammer-On
Anvils can now take damage from falling one block. Made for balancing carpet extra's renewableSand.
Creepers Eat You
Adds a fun twist to the game in which creepers eat you! Good luck beating the game in Hardcore ;D
Mobs Drop Their Abilities
Defeat mobs and steal their powers! Unlock unique passive abilities like flight and teleportation, or use active items like the explosive Detonator. Transform your survival experience by using the monsters' own strengths against them.
Custom Hyperion
This project adds a Hyperion concept, just very different and survival friendly (not OP)...
Tithe
A Hardcore multiplayer mod in which death is a debt. The living can pay a tribute to bring back the fallen.
TheConstant
A Fabric mod that channels Don’t Starve–style hardcore survival into Minecraft: manage health, hunger, and sanity; survive seasons, temperature, darkness, and food spoilage with crock-pot cooking and recipe planning.
STIKS_Mod - magic RPG postapocalypse
survival in postapocalypse with RPG leveling and magic

Rat Cheese Helper
Hypixel Skyblock Rat pet helper: highlights and enlarges the cheese before it despawns, tracks Magic Find buffs and rat loot on a movable HUD, and adds 24 cheese-themed achievements.
Banish Annoying Mobs
Remove unwanted mobs around with a hotkey. Available as a consumable item for survival mode.