Neoforge Mods for Minecraft 1.21
Browse 43 free Neoforge mods for Minecraft 1.21 — popular picks include The Afterdark, Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Superflat Dimensions.
Updated daily
The Afterdark
A truly immersive Deep Dark alternative dimension with many secrets and resources hidden behind. Explore a new world brought to you from the evil of the Deep Dark.
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Superflat Dimensions
Collection of datapacks that create Superflat Overworld, Nether, and End Dimensions, with all Structures and Biomes.
Backwoods
A liminal horror adventure mod based on Woodlands
Alex's Biome Dimensions
Each biome got it's own dimension you can explore, farm wood in the forest dimension or go hunt for some loot in the Cursed or Deep Dark dimension!
Just Enough Null
A fanmod of The Broken Script that adds a Null Biome, Null Blocks and more!
Nature+
A mod that adds improvements to nature! This mod includes Oil, Trash, Polluted Water, Trash Dumps, and even Wallmart!
Global Emeralds
Unlocks Emerald Ore to spawn in all biomes.
Biome2
Biome2
Blood Craft
The mod will add a mysterious bloody biome with new structures and ores to the game
The Backrooms: Found Footage
A realistic, multiplayer-compatible, mind bending backrooms mod with infinite replayability.
intrf.null0
A horror mod that adds a creepy void dimension. After three days, sleeping teleports you there. Features abandoned houses, floating structures, (reminder this is in alpha so its not really done!)
In The Forest (SirenHead)
This mod adds Siren Head by Trevor Henderson to your world
A Shattered Order
A horror mod that adds new mysterious dimensions, biomes & entities.
The Blood Forest
There is a mess of flesh growing in the new forest, explore it to find out where its coming from, why it happened, who was responsible, and what you can do... if anything...
My Random Mod - Boykisser Mod
This is a mod that adds Boykisser shit to the game. A new biome, new ore, new structure, and more.
Skebob
Little creature hiding in jungle, can you find him?
Added Things
Random added features like ores, tools, biomes, dimensions & more. Oh, and there is a Deepslate Instant Mining Enchantment.

The Better Biomes And Plants Mod
It adds nice Biomes and other cool stuff to the game
The End Reimagined
A comprehensive endgame expansion that introduces a brand new dimension and unique biomes to transform the desolate reaches of the void. Designed for both solo and multiplayer play.
Forest of Pride! 🌈
Adds the Pride Forest, a biome for people of prideful vibes to cultivate!
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.
The Choppa Age Update
This mod adds Choppas, Chopper Golems, Choppa Chests, and a new Choppa Golem boss to Minecraft. There are new items such as the cleavers, and a new extremely common biome called the wastelands.

Going Bananaz
A mod that adds a few things such as: Bananas, a Music disc, a Biome and even more Bananas.
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!
Kyo's Cottonwood Forest
Adds a cottonwood forest and allergy system for said forest
woodmod
biomes + blocks + items + alpha version = the best mod*
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!!!!!
Nonsense
A new dimension with unique and creative biomes ...
Elod's Biome Extension
This mod adds biomes, and money (later new dimensions) to Minecraft, it'S not realistic like Biomes O' Plenty, it's more likely fantasy, and it's in early phases of development!
The Duck Update
adds the duck update and new structures and also funny new biomes and if u beat the ducks u win the mod!
Slimes Everywhere
Allows Slimes to spawn at night in any biome
adrix's better end
this project adds end update: biomes, structures and mobs.
Diabolical Islands x Incendium
Make Diabolical Islands compatible with Incendium. After installing this mod, Diabolical Islands will generate Incendium's biomes and structures following its own floating island rules.
The Tree
This mod will add an evil tree, a living stump, an evil forest soul, and a good version of it.

The Voobious Mod
a mod that includes some biomes and mobs with recipes and a dimension to go with it