Neoforge Mods for Minecraft 1.21
Browse 495 free Neoforge mods for Minecraft 1.21 — popular picks include Zombie Variants, Old fisherman swamp house, Hunter Villager Trader.
Updated daily
Zombie Variants
Add 15 variants of zombies that can appear in different biomes!
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
Hunter Villager Trader
Adds a new hunter villager to Taiga biomes + a new structure
Chiikawa
some cute pets?
VanillaBackport: Mob Variants Compat
Compatibility for Biome We've Gone, Terralith, Nature's Spirit & Biomes O' Plenty For VanillaBackport 1.1.5+ Mob Variants
More Powerful Game Rules
49 new custom /gamerules to add or disable features: ie, hunger, trading, ice, gravity, mobs, damage, griefing, crops
Incision
A nether mod that adds a new vanilla friendly flesh biome
More Biomes [FORGE] - 1.21 UPDATE!
A complete modpack focusing on exploration! Discover hundreds of biomes, structures, animals and much more.
Villager Saloon
Adds a wild west saloon and a new potion to the badland biome
No Man's Land
An uncompromising Overworld Overhaul, Enhancing world generation in every biome and environment.
Cobblemon: Cobbled Levels
Highly configurable level scaling for wild Pokémon and progression control with many different scaling methods!
MMR - Moog's Mineshafts Reimagined
Large and complex mineshafts themed for various biomes and dimensions. Filled with loot and mobs
Villager Clock Tower
Adds a Villager Clock Tower with unique rooms and a challenging parkour passage.
Hobbit House
Adds hobbit houses with villagers in forest and taiga biomes.
George's flying island
Adds a small flying island with george the villager inside his small house
[Let's Do] Alpine Whispers
Alpine Whispers enhances cold and mountainous regions with new Alpine biomes, unique wildlife, Alpine trees, and a variety of flowers and grasses, as well as fresh building materials inspired by the European highlands.
Ghast Aircraft
Spooky Air Balloon
Cherry Samurai Temple
Adds a Cherry Samurai Temple with samurai enemies, armor, and katanas
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.
The Dead Forests
Adds elementally themed biomes, weapons, mobs and more!
Pumped Desert 2
Pumped Desert 2 is a remake of the Pumped Desert mod, it will add an ostrich that appears in the desert and savannah.Cactus and cow skull.The skull and cactus can be found in the desert.
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.
Block Factory's Biomes - Add new vanilla+ biomes
🌳 This Biomes Add-on adds 5 brand-new biomes filled with unique animals, plants, blocks, and fully custom world generation!

Biome Golems
Adds biome variants to Iron Golems
Infernal Expansion Redux
A rebuild and remaster of one of MC's most iconic Nether mods, now on 1.20.1 on Forge AND Fabric!
Critters n' Crawlers
A small mod that expands the temperate & cold biomes by adding north American animals & myths!
Villager Tannery House
Adds a Villager Tannery to the Plains and Forest biomes, with Leatherworker and Shepherd villagers working inside.
Animal Garden - Harp Seal
This mod adds the harp seal as tamable mob to the frozen ocean biome!
Winter update
This mod adds a lot of content to winter biomes. Starting from ordinary reindeer, ending with various bosses.
Pathogen : Monster plague
Pathogen is a mod adding new terrifying creatures to the game, born from a misterious chemical...
Guard Villager Trader
Adds a new guard villager to Taiga, Plains & Dark Forest + a new structure
Animal Barn
Adds a cozy animal barn to the plains biome
Japanese Residence
Adds a traditional Japanese style Residence to the world, inhabited by villagers
Ecliptic Seasons - Let's Do
This addon bridges Ecliptic Seasons with the Let’s Do series, ensuring crops, animals, and landscapes fully adapt to the seasonal cycle.
Mushroom Illager
Adds a Mushroom Illager House and Mob to the Darkforest
Animal Garden - Snow Leopard
This mod adds the ghost of the mountains, the snow leopard as a tamable animal into the snowy biomes.