Minecraft Java 1.21 Mods
Browse 936 free mods for Minecraft Java 1.21 — popular picks include Warhammer Fantasy Mod, MarSiS Pack, Aliens Vs Predator: Resurrection - Humans.
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Warhammer Fantasy Mod
Fantasy Warhammer Mod, added weapons, dwarf villages in mountains also underground, Skaven and Pegasus
MarSiS Pack
MarSiS is a vanilla+ modpack full of new structures, dungeons, monsters, weapons & other stuff
Aliens Vs Predator: Resurrection - Humans
A continued project, cloned with permission, of the new alien vs predator mod. This module is the human part of the AVP module Suite.
Kings & Monsters
An adventure and progression mod featuring the Ogre Tribe, guarded outposts, escalating patrols, powerful relics, a massive fort, and a multi-stage boss fight.
Lava Chicken Boss
Adds a new boss and an exciting battle with him, as well as his minions and some items.
Peak Better Structures
Peak Better Structures is a NeoForge mod for Minecraft 1.21.1 that adds fully custom structures, new hostile mobs, new weapons, and a custom enchantment, all designed to enhance exploration and combat while keeping a vanilla‑friendly feeling.
Headaches!
Headaches! is a Minecraft mod that adds new structures inhabited by the most absurd and unconventional mini-bosses—all characterized by having disproportionately large heads. Discover a challenging new adventure!
Electric Boogaloo
Adds a new zombie dancing boss, Electric Boogaloo with his iconic Backup Dancers from the Plants Versus Zombies Games
Circle of Craft
Circle of Craft is a massive Lion King–inspired total conversion. Explore three new dimensions — the Pride Lands, Outlands, and Upendi — befriend and battle savanna wildlife, and follow a story-driven questline with Rafiki, Simba, Scar, and more.
Spelunking & Secrets
A Cave mod that adds new blocks, mobs and armor
Upgraded Jungle
Mod mainly adding a completely new jungle biome, lots of building blocks and much more.
Way More Everything
Adds aLOT more of gears AND recipes. (not finished yet)
Summonable Steve
A summonable Steve boss with complex AI and behaviors
Norious
Bored of not Having enough strong bosses to fight? Ever Wanted To become a God and fight Demons In Minecraft? This is the mod for you.
Better Cage Trap
A mod that adds a mechanical trap that can capture mobs.
The Angry Ghast
Three new Ghast themed bosses, one for each dimension
muchpeople
weapons and random structures that came to my mind (armas y estructuras random que se me vinieron a la cabeza)
Hell's Survivor [not updating on CurseForge]
A Nuclear Themed Horror Mod. [Only Updating On Modrinth]
Strongmobs
Strongmobs is a mod that adds Strong Mobs that makes Minecraft more challenging and that are more of a threat rather than an annoyance like other mods
Monsters Magic and Missiles
{WIP} Im using fear the Nightfall as a base modpack and adding more magic,and modern weapon mods as well as ad astra and various ~realistic-ish additions
Aliens Vs Predator: Resurrection - Predators
A continued project, cloned with permission, of the new alien vs predator mod.
Skibidi Toilet Craft
Adds Skibidi Toilet
Annoying and Deadly Mobs (Discontiniued)
This Mod adds annoying Mobs, Rituals, and a Lot of mob based Features. This mod is Discontiniued!
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.

Aetherium Items
Adds magical scrolls that grant unique abilities to weapons, turning ordinary gear into powerful tools of combat, mobility, and control.
Hollow Knight: Silk & Void
A Hollow Knight mod for Minecraft.
Basalt Arena
This mod adds 3 new bosses and a new structure to Minecraft.
stupid baby mod
!! LOUD NOISES !! a mod that adds a bunch of different baby mobs, items, blocks, weapons.
APSO TumCase
APSO TumCase is a mod of many things mobs, swords, tools.
I'll Make A Meal Out Of You (IMAMOOY)
A mod that adds hostile mob foods, among other things.
Dwars
A free Star wars fan-made mode for gamers who love star wars to add to their world.
Leafs Crucible - Ice and Fire
Leafs Crucible: Ice and Fire - Explore a magical world of ice and fire, featuring unique temperature mechanics, powerful new weapons and tools, and challenging hostile mobs!
Void king dimension
Adds an epic boss fight with the Void King and his minions, spreading corruption, and powerful weapons.
Terraria Items
This project adds some items and weapons from Terraria and the Terraria Calamity Mod into Minecraft.
TheNorthWild: Hunt and Tents
TheNorthWild: Hunt adds a variety of creatures to the world, predators and prey alike.
Random_mod_Random
Adds Random things to the game