Quilt Mods for Minecraft 1.21
Browse 19 free Quilt mods for Minecraft 1.21 — popular picks include The Twilight Forest, Enderscape, Mob Compack.
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The Twilight Forest
A realm basked in mystery and eerie twilight, you will overpower terrifying creatures and secure the adventure of a lifetime; in the Twilight Forest.
Enderscape
Total overhaul of The End with new generation, biomes, mobs, and other features.
Mob Compack
(a couple of) Mobs for Biomes O' Plenty
Stellarity
Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.
BetterEnd: New Dawn
An unofficially maintained continuation of BetterEnd for Fabric and NeoForge, bringing the latest BetterEnd content to every supported Minecraft version alongside bug fixes, compatibility improvements, and expanded End world generation
BetterNether: New Dawn
An unofficially maintained continuation of BetterNether for Fabric and NeoForge, bringing the latest BetterNether content to every supported Minecraft version alongside bug fixes, compatibility improvements, and expanded Nether world generation
Sculk Depths
adds a new dimension accessed via the ancient cities in the deep dark biome
Exotelcraft
A large multi-feature Minecraft mod mainly adding the Exotel dimension, toggleable April Fools' snapshot content, overworld additions, craftable world map, and optional Bedrock-styled UI.
RPGTitles
Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..

Alex's Caves: Refabricated
An unofficial Fabric port of 'Alex's Caves' - Explore five new rare cave biomes hidden under the surface of the Overworld...
Wayfinder
A new Immersive exploration mob that takes you to your desired biome! This mob creates a more lore & balanced way of finding biomes and offers tons of customization to tailor to player experience!
Nether Descent
A nether biome mod by the Potion Studios team, truly an adventure like no other awaits you with new biomes, mobs, blocks, items and more!
Spontaneous-Replace: Cobwebbed
A Spontaneous-Replace expansion that adds various spider variants and exclusive biomes.
Crimson Chaos
A mod that adds a new dimension. This dimension is loosely based off of the Crimson Forest.
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Infinity Cave Mod (1.21.11, 1.20.1) – Expand World Depth and New Cave Biomes
Infinity Cave Mod changes the minimum world height from -64 to -128 and adds a new type of cave generation, combining them into an absurd system. A total of five new cave biomes will appear, where regular mobs will not spawn – instead, their enhanced versions will appear, creating a kind of roguelike content for […]
Movie Structures
Adds a new structures to the Overworld, The Lava Chicken, Pink Wool House, Old Portal and Mushroom House of Minecraft Movie, inside you'll find the new music disc "Lava Chicken - Hiper Potions" with loot tables, advancements, and villager working
Ethereal Grove (ARCHIVED)
(Datapack packaged as mod) This project is a datapack inspired by The Twilight Forest mod. Bringing veteran player nostalgia into a future vision of what the The Twilight Forest may look like.
Cavernous Repackaged
Repackaged version of Cavernous