Neoforge Mods for Minecraft 1.21
Browse 4,894 free Neoforge mods for Minecraft 1.21 — popular picks include Zombie Have Eyes, Anti-mob defense, The battle cats take over.
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Zombie Have Eyes
Zombie Have Eyes — server-side mod for NeoForge 1.21.1. Zombies chase and attack only with direct line of sight — hide behind blocks to break aggro. Sneaking grants a distance-based chance to stay unnoticed. Compatible with Zombie Awareness.
Anti-mob defense
Adds structures which defend against hostile mobs.
The battle cats take over
Adds main 16 cats from the game the battle cats
CloudCraft ModPack
A Create-based pack , featuring MineColonies, ProjectE, and Refined Storage, as well as combat enhancing mods and new mobs to fight.
Death Muffler Fix
Fixed Mob Grinding Utils
Strike After Swing
Delays mob melee damage until the attack swing animation finishes.
An Unfinished Mod
A horror mod meant to provoke a feeling of unease in the player throughout their playthrough.
The hedgehogs
Adds hedgehogs to Minecraft, bringing new cute and spiky creatures into your world.
Lymonite Horse Armor
A rare horse armor that lets horses travel safely through Powder Snow and snowy mountains.
Frostfall
This MOD makes your world full of challenges!
Rare OP Mobs
Rare overpowered mob spawns with random enchants and potion effects that are beyond vanilla limits.
Creefern (Creeper Fern)
Why would a creature self-destruct as a means of attack? To reproduce!
BedIsNotTooFarAwayRefoxed
Disable the annoying popup "You may not rest now; the bed is too far away" and instead lets you sleep. And you can also disable "There are monsters around so you can not sleep"
Palamobs [ Discontinued ]
An add-on for Palamod Recreated and Custom NPC. The different mobs will finally be able to burst into your adventures with their different dungeon styles, bosses, and NPCs.

Spectrum Compat
Integrates Spectrum mechanics into other mods
Frost Enchantments
This mod adds the Frost Aspect and Frost Protection enchantment. It uses the already existing freezing effect feature and turns it into a powerfull enchantments.
Nautilus+ | Better Nautilus
Adds trait based breeding and optional other features compatible with forge, fabric, and neoforge to the vanilla nautilas
Bear Buddy
Tame wild grizzly bears in Minecraft forests and turn them into powerful companions.
CreepyPasta Legends
Creepy Monsters awaken, Haunting players With Dark Legends and Fear.
Quins Craftoria
A enhanced version of craftoria with sodium and animal mods!
Ben's Monster Energy Mod
All the Monster Energy you could ever want... and Beer too for some reason.
Craftable wither
A mod that allows you to craft the wither spawn egg and wither skeleton skulls

Aspen
A currently small content mod with whimsical/botanical additions.
Happy Creeper
Turn creepers into survival companions by weakening, taming, healing, recoloring, and fighting alongside them.
World Expansion: Light and Dark
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
ZombieChaos: More Zombies!
Adds unique zombie variants made in a seamless Vanilla+ style with custom models and tactical abilities.
Distant Dangers
Highly customizable mod that makes the game harder and more rewarding the further you travel from spawn.
MC-Epicly-A
An Integration between MCA Reborn and Epic Fight
Retard Dweller
its a really damn bad mod,its my first MCreator mod,Adding a Stalker-Like Monster.
The Watcher (dweller)
The Watcher stalks you in your world, he will find and chase you
Glue Balls
Glue as an alternative to slime balls. Craft glue froms bones, fire the glue gun to slow down mobs.
Minecraft Dumb Ideas (MDI)
Ever wanted to throw bricks at villagers, drink Redbull and levitate, or brew the world’s longest-named Starbucks drink from a custom coffee machine? No? Well too bad. This mod adds that — and a whole lot of regret.
Alpha 1.0_13
err.NULL.type==GUN.d13
Lemon's Poop
Adds functional poop to Minecraft for fertilizing and more.
Age of Bismuth [More ores & Tools]
Add new ores, new tools and more !
Spiders On Ceiling
lets spiders cling to ceilings and attack from above instead of stucking there