Neoforge Mods for Minecraft 1.21
Browse 119 free Neoforge mods for Minecraft 1.21 — popular picks include XxCreeperxX's Zombie Expansion, World Expansion, Tectonic Layers.
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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
Tectonic Layers
Stacks Nether and End layers inside the Overworld, with native layered terrain, biomes, fog, lighting, portals, and dragon support.
Distant Lands
Discover immersive biomes inspired by Brazilian flora, 500+ blocks, Carpenter Table, Hollow Logs, and Crawl for hidden adventures!
RoseBackport
Adds rare classic red and blue roses to specific biomes in your world!
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Flora Expansion
Expanding Minecrafts flora with new plants, crops, blocks and mechanics

Alternative Twilight(Remastered)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
Arts & Crafts x Nature's Spirit
This mod adds integration features for Arts & Crafts and Nature's Spirit for a smooth gameplay experience!
Biomes O' Remin
Small Compatibility between Biomes O' Plenty and Realistic Minerals, adding Rose Quartz to the Quartz tags.
Xenogenesis
A biomechanical horror mod inspired by Alien and Prometheus. Discover sealed underground structures, parasitic life cycles, facehuggers, and xenomorph-like organisms waiting to be unleashed.
Contentcraft
ContentCraft adds features and mechanics that expand on Minecraft while keeping the vanilla feel!
Alternative Twilight (Remastered version)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
Superflat Structures
Lets all structures (biome dependent) generate in all superflat presets!
TwilightLuckyBlock
[DISCONTINUED] (TWILIGHT FOREST MOD IS REQUIRED!) MyLuckyBlock addon for twilight forest mod.
android vs apple
Android, Apple, Xiaomi – they all have their own unique biome
Scoobyland - Create and Friends
Discover a lightweight, multiplayer-optimized modpack that supercharges your vanilla Minecraft into vanilla+++ experience! Dive into Create’s innovative mechanics, explore vibrant new biomes, and savor Farmer’s Delight for a fresh adventure.
Geologica
Overworld biomes with natural rocks and sinkholes without adding bloat.
Climatic Plants
Temperature now matters, no more growing spruces in a tropical forest!
Hudier
Shows a live Paper Doll of your character, riding status, biome, time, and day on your screen. Fully customizable!
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.
end Update (Enderite & Biome Expansion)
Ever want an end update? Then download this mod and get it with 4 new biomes and tons to explore, get out and face the end
Added Things
Random added features like ores, tools, biomes, dimensions & more. Oh, and there is a Deepslate Instant Mining Enchantment.
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
Disposable Compass
Turn Nature's Compass and Explorer's Compass into one-destination navigation items with shift-right-click search-next.
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
Smith That!
Smith That! overhauls the Vanilla Smithing mechanics to accept universal tags, allowing you to seamlessly upgrade your gear from Vanilla, Twilight Forest, Aether, and beyond!
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 !

Sweetymod
A sweet mod that adds a new candy-themed dimension, complete with new blocks, items, and a biome to explore.
To Adventure
Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!
ConvenientCrafting
This mod adds ways to un- craft things, oasis, greenhouses, and more to come! Surviving in desert biomes becomes much easier with this mod, adding ways to craft essential resources like wood with sticks.
Slimes Everywhere
Allows Slimes to spawn at night in any biome

Lavastone Biome
BOOM! Explosion!! Lava!!! Yeaah!!
Uniform Grass Color
This mod makes it so all grass looks the same! Sometimes when you find the perfect building spot you just cannot build there because of how badly the mix of biomes is, but when installing this mod, it allows you to easily fix this!