Minecraft Java 1.21 Mods
Browse 1,534 free mods for Minecraft Java 1.21 — popular picks include HappyDays, Ironbound Realms, Betters Amethysts.
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HappyDays
Explore the horrors that have entered the your system, and try to survive with them hunting you down like an animal.
Ironbound Realms
You start in a brutal medieval world where monsters rule the night and kingdoms rise and fall, will you overtake it all.
Betters Amethysts
a small mod that add armor , tool , dimention, mobs and more of amethyst,ice,clay,obsidian,copper,quartz,dirt,emerald,endium
Artisan Pottery
This mod adds a variety of new features related to the archeology update. Pots can now be customized how ever you want, there are new animals roaming the deserts and badlands and new structures to uncover.
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
The Finley Dimension Remastered
A simple mod that adds a new dimension, monsters, and biomes.
Ultra Hard Difficulty
This mod just makes the game very Hard
The Minecraft (wikidot) Backrooms
A mod that aims to make the biggest lore accurate Minecraft backrooms experience. THIS IS BASED OFF OF THE WIKIDOT.
Beyond The Ocean
A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.
Backrooms Through The Walls
Adds level 0, level 1, and the bacteria entity.
StarterCraft - Beginner Edition | Beta 26.1!
StarterCraft is a chill modpack that makes Minecraft feel more alive with new biomes, creatures, and simple tech, without overcomplicating things.
Acid Wasteland
A wasteland theme datapack with acid rain, mutated mobs and many other features.
Snowy Expansion
New colors for snowy biomes, new trees, structures and mob variants
No Modern Mobs
Removes mobs that aren't in Beta 1.7.3
TC World Cobblemon Rebron
The mod is developed to closely follow behaviors, events, and descriptions from the animated series and official lore, bringing the Pokémon world to life as authentically as possible. For example, carp-like creatures can leap waterfalls, and flying birds n
Backroom
Haunting entitys of the "BackRooms"
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
Cave Born
Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!
Beastly Buggers
This mod adds many kinds of insects and arachnids, as well as unique and rewarding loot. Increasing the challenge and excitement of exploring while still keeping the game vanilla-friendly is the primary focus here.

Geodrum
Geodrum is Scary! Geodrum is Nightmare!
Better Phantoms
Removes phantoms from the Overworld and relocates them to the End, integrating them into the dragon fight and increasing danger around End Cities with improved behaviour.
bettercrafting pack
adds mobs, blocks and dimensions
Endil's Peaceful World
No monsters nor dimensions. Just Peaceful Overworld!
Bloom and Doom
Adapting the universe of the pvz franchise to Minecraft.
Niobium
A mod that adds features that should be in Vanilla.
Better than bedrock
Better than bedrock is a mod what add new biomes new temples New dimensions
Jeck230NOTREALWORLD
AI-generated horror mod that adds the mysterious entity Jeck230, disturbing sounds, and a strange “not real world” atmosphere.
JC’s EndExtras (Discontinued)
Expanding the End dimension in ways you’ve probably never seen before. Also includes content for the rest of vanilla.
The Broken Script: Reprogrammed
Here I am. A mod that adds new mobs and dimensions to add on to The Broken Script.
Cobblemon Mana and Monsters
A modpack focused on adventure in a world with Cobblemon, Magic, and Technology.
Nice End Mobs
Mob additions for the End Dimension to make it a more interesting place to explore.
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Witches with Wrenches
Cogs & colonies is a medium/light pack designed to bring life into Minecraft with customizable colonies and colony management alongside many mythical creatures, powerful magic, and even some kinetic energy!
oraclium
Discover Oraclium our minecraft mod which adds new ores, ingots, armor and tools and new items and an improved crafting table which allows you to create hammers oraclium is a "BetterVanillia"
Ravents
🗸 Ravents for custom mechanics. Design multi-wave raids with complex triggers, create unique mobs with modified stats, gear, and mounted towers. Spawn control: Replace vanilla mobs or add custom copies.
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.