Neoforge Mods for Minecraft 1.21
Browse 4,888 free Neoforge mods for Minecraft 1.21 — popular picks include Purified Flesh Mod, Treasures of the dead, Create: Petrochem.
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Purified Flesh Mod
Purify rotten flesh!
Treasures of the dead
This is a mod that adds new pirate enemies, structures and many other features, inspired by Sea of thieves.
Create: Petrochem
Realistic oil refining comes to Minecraft
Guard Villagers - Autonomous Villager Defense
Automatic Guard Conversion! Villagers autonomously become/spawn guards when threats appear. Fully configurable addon for Guard Villagers.
Mob Stacker Ind.
Greatly increases performance by merging/stacking nearby mobs, reducing the physical number of entities in the world. Hypothetically 2147483646 times better performance.
Attract to Sound ([NEO]Forge/Fabric): Sound & Stealth.
[(Neo)Forge & Fabric 1.18.2-1.21.11] Overhauls mob AI for a true stealth experience. Hunted by what they see, hear, and sense.
Animal Garden - Narwhal
This mod adds the unicorns of the sea, the narwhals to the frozen ocean biomes.
Cobblemon Outbreaks
Adds Pokémon Scarlet & Violet style mass outbreaks to Cobblemon with progressive shiny rates!
YTech
YTech improves early game by increasing time to reach "iron age".
Kenny [HORROR]
Kenny watches from a distance before the warnings build into a hunt that only ends when the Ender Dragon is defeated.
FinzWild:Friends
Add Little Snake-like Creature from Another World!
Desert Tombs
Adds a giant Tomb to desert biomes, introducing new mobs: the Scorpion, the Mummy, and a Pharaoh mini-boss.
Spring to Life Backport
A mod that adds some features from the 1.21.5 "Spring to Life" update to older versions.

Wind Boost Enchantment
Allows one to Enchant the Harness with a Custom Enchant to make Happy Ghasts Faster
Create: Pillager Arise
10 new structures for in game! ( Defended by pillagers ) Requires Create
What Did I Just Kill?
displays a small toast with information about the mob you just killed
Animal Garden - Springhare
This mod adds another useful tamable critter to the savanna biomes, the Springhare!
More Creeps And Weirdos Revival
This is a complete revival of the original More Creeps and Weirdos mod from Minecraft v1.2.5.
Bearded Dragons
This mod adds bearded dragons and more into minecraft. So you can finally have a lizard in the game!
Better Snowball Fight 3
A winter theme mod suitable for mini-games
Better Zombie Ai
Add all new features to improve your zombie apocalypse experience ,with tons of customizability
Dragon Mounts Remastered: More Dragons
New breeds for the mod Dragon Mounts: Remastered
Lost Lore
This addon aims to add the extended canon that is the anime/movies, side games & manga to Cobblemon!
Echoes
Sculk-corrupted creatures that hunt by sound
DamageSource Is Not Null Basic
An attempt to solve DamageSource NPE (Only Covers Vanilla Mobs)
Warden Slayer Enchantment
A simple enchantment to fight the strongest minecraft mob
Panda Temple
Spawns a mysterious overgrown temple in the jungle inhabited by our favorite bamboo eating creature!
Lush Cave Trader
Adds a new villager, a structure and 3 new weapons + armor hat
Cobblemon - MC Swords for Honedge Line
Adds alternative textures for Honedge / Doublade / Aegislash based on Minecraft sword textures
Craft Spawn Eggs
Adds a crafting recipe for every spawm egg
Scorched Guns Neoforged
An unofficial NeoForge 1.21.1 port of Scorched Guns 2, focused on preserving the original mod’s firearms, structures, mobs, machines, turrets, and ExoSuit gameplay on a newer Minecraft version.
The Purgatory
A dimension of punishment and despair. Those who break the rules are sent here to suffer until they earn their way out — if they ever can.
No darkness effect Mod
Client-side Minecraft mod that removes the "Darkness" effect
Nice Mobs
Bringing in a vast variety of vanilla-style mobs and variants, each with their own quirks and abilities, to make your world feel more alive.
Desert Scourge
Adds new unique boss in desert, based on Calamity Mod
Witch Tower
Adds a Witch Tower to the world