Quilt Mods for Minecraft 1.21
Browse 31 free Quilt mods for Minecraft 1.21 — popular picks include Withering Heights: Revamped Wither, Gigeresque, CRYPTID.
Updated daily
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.
Gigeresque
Gigeresque is a horror-themed mod that offers players a dive into the horrific biomechanical world of the xenomorphs, and the mutated realms of the neomorphs, deacons, and goo mutants.
CRYPTID
Unique horror mod where your world comes alive. Adds 30 new cryptids and 40 new events. Now updated for slower gameplay
Zombie Horsemen
Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.
oSzoukaua's: Realistic Spiders
This pack makes spiders more realistic! and much cuter!
Brutal Nightmare : Insane Difficult
Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count

Wind Boost Enchantment
Allows one to Enchant the Harness with a Custom Enchant to make Happy Ghasts Faster
Bucketable
Put any mob into a bucket! Completely customizable!
Injured Effects
This mod adds effects to being low on HP! This applies to players, aswell as humanoid entities like villagers, illagers, and piglins!
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Mebahel's Skeleton Revival
When death is no longer the end… their skulls flee to rise again. Summon, hunt, or suffer — in Mebahel’s Skeleton Revival, every skeleton gets a second chance.
Flattering Anvils
Anvils that make you flat!
No Wither
This Mod simply makes it impossible to spawn Withers.
Cursed Spawners
Makes spawners far more dangerous than they need to be.
Fleecifer
Turns all sheep hostile...
Illagers Attack Babies
Illagers now attack baby villagers. Because why not.
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
Eat Villagers
Wandering Trader & Villagers drops meat and you cat eat it - new Food
NoMoreJumpscares
Removes the Elder Guardian curse effect when receiving mining fatigue
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.
Simple Gravity Changer
This datapack adds a function to change the gravity of the world.
The Creakening
Adds creaking variants for all overworld tree types, and allows for creaking spawns no matter the time.
No Sniffing
Stops the warden from sniffing, it will wander around or stay still instead.
Space Update
dannytaylor's April Fools' 2025 "Update"
Cluckifer
Turns all chickens hostile...
BetterCreaking
The Pale Garden as it should be. A scary and dangerous biome
Oozing magma
makes Oozing effect spawn Magma Cubes in the Nether
Garfeldi [Cobblemon]
Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.
More Realism (MR)
This project helps you experience your world more realistically.
Slimes Everywhere
Allows Slimes to spawn at night in any biome