Neoforge Mods for Minecraft 1.21
Browse 69 free Neoforge mods for Minecraft 1.21 — popular picks include Trillion O Trees, Feningland, Nether's Paradise (Hell's Paradise).
Updated daily
Trillion O Trees
An overworld mod adding many more tree types and forests... some added structures too
Feningland
A Mod Aiming to Revive the feeling of classic 1.12.2 mods by including lots of Dimensions,Biomes,Entites,Weapons and a whole lot more.
Nether's Paradise (Hell's Paradise)
Adds Biome, Powers, Mobs, Weapons ect... from Hell's Paradise !
To Adventure
Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Pixelmon: No More Ultra Space
No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!

Sweetymod
A sweet mod that adds a new candy-themed dimension, complete with new blocks, items, and a biome to explore.
Beyond The Clouds
Discover clusters of floating islands mirroring familiar biomes and bridge the gaps as you gather resources above the clouds.
Acatar
Mod created by Phax709 that improves the basic content of Minecraft by adding new biome, ore and blocks, this mod is more based on exploration with plants and trees different from what Minecraft offers.
Strider657's End Update
A Java edition mod that overhauls the end with new biomes, structures, blocks, plants, and more.
Whispers of the Pale Garden
a mod that adds various new additions to the pale garden biome. you can report bugs in the discord server.
Enlivened End
brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way
Lava Pockets Removed
Removes tiny 1x1 lava pockets from Nether generation without changing biome feature lists, keeping custom Nether biomes and world-gen mods compatible.
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!
Kyo's Cottonwood Forest
Adds a cottonwood forest and allergy system for said forest
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
Mossy Forests
This Mod adds Mossy Forests to minecraft!
Nonsense
A new dimension with unique and creative biomes ...
Very Much of Create
A massive Create-focused modpack that expands automation, transport, and industry to the extreme. Featuring dozens of Create add-ons, new biomes, food systems, and performance optimizations — perfect for building huge factories, trains, and mechanical worl
Pedro II's End Update
This Minecraft mod adds the End Update to the game with 3 new biomes, 3 new structures, 1 mob, and 2 powerful weapon.
Mod but my Friends decided what's in it
lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!
Antactica
new biome Antarctica , new mashines and more.
Biomes plus
Biomes Plus — 7 new biomes: foggy grove, lost forest, misty highlands, driftwood swamp, windswept plains with menhirs, olive grove, salt basin.
Cavernous Unearthed
This mod adds vanilla style cave biomes and features.
Mainworld
Mainworld... mod introduces several new mechanics,items,and armor. it also adds about 30 diffferent structures,each suited to its own biome,as well as new biomes. Explore the world and discover its fill potential, know that they are always watching...
Wayfinder's Bottle
A vanilla-friendly exploration mod adding a magical bottle that reveals maps to distant biomes. Trade with Cartographers, loot chests, or fish for it!

Explorer's Badges
Reward the player with a badge for exploring and discovering new biomes, awarding a different badge for each biome as well as a stat boost for each badge.
The Voidland
This mod ads a completely new biome: The Voidland, some new gear (armor still not included(will be added in future)) and new mobs!
Luminous Nether Mod (1.21.1, 1.20.4) – A Nether Alive with Danger
Luminous Nether Mod expands the Nether with two new biomes, lots of new mobs, and a variety of building blocks and decorations. This mod adds new gameplay mechanics, loot to find, and dangerous areas to explore. It makes the Nether a more lively and challenging place. Features: Adds two new biomes to the Nether: the […]
PKK - Create!
A Create-focused adventure modpack with new dimensions, expanded exploration, improved combat, and advanced storage. It blends mechanical engineering, atmospheric biomes, aircraft travel, and enhanced survival for balanced long-term gameplay.
KingCraft [FORGE]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.
The NeoFlux Pack | Resurrection
A modpack designed to include latest mods, which will enhance your experience completely. New structures, new biomes, new mechanics and also a kitchen. Enjoy with your friends.