Neoforge Mods for Minecraft 1.21
Browse 42 free Neoforge mods for Minecraft 1.21 — popular picks include Zombie Extreme, Stellarity, Click Villagers.
Updated daily
Zombie Extreme
This is a Big Mod that adds a bunch of new mechanics and a large number of zombies and infected to your minecraft world. In order to study a new biome, you need a Chemical Protective Suit, if you do not break at least one part, most of the radiation will i
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.
Click Villagers
Click to pick up villagers, reset their trades, change their biomes, claim them and much more!
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.
No Man's Land
An uncompromising Overworld Overhaul, Enhancing world generation in every biome and environment.
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..
Outer End Wilds
Adds Two New End Biomes inspired by Minecraft Dungeons
Sulfur Depths
This mod adds a new biome boiling caves and a new mob - sulfur slime with unique mechanics and items to the game
Rhyme PVZ
This is an impressive PVZ module which will include most of the plants and zombies from PVZ 1 and PVZ 2, with new mechanics and gameplay.
Klsts' Monsters
Adds some monsters and mechanics to increase difficulty
Cool End
This mod adds new biomes, structures, mobs and resources to the End and Overworld, expanding exploration and improving gameplay and visuals.
XxCreeperxX's Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more
World Expansion
This mod upgraded vanilla biomes and adds new ones for a more interesting journey around the world! Update 1.0.0 - Savanna and Dark Forest
stupid horror mod
this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.
Contentcraft
ContentCraft adds features and mechanics that expand on Minecraft while keeping the vanilla feel!
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
More Spring to Life
Transform your Minecraft world with brand-new flora, fauna, and mechanics across multiple biomes! This mod breathes fresh life into Birch Forests, Swamps, Badlands, Deserts, and Savannas, introducing new animals, plants, and interactive features.
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
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!

Pumpkin Madness
One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )
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.
Enlivened End
brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way
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!!!!!
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.
Nonsense
A new dimension with unique and creative biomes ...
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!

Slimes Everywhere
Allows Slimes to spawn at night in any biome
Savi Over a game
My first mod introducing: Savi, Biome and more!
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...
Cavernous Unearthed
This mod adds vanilla style cave biomes and features.
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!!!
TeaTM's Arctic Expansion
This is a relaxed non-combat mod that expands the arctic biomes with mechanics, mobs, items, and decorations.