Minecraft Java 1.21 Mods
Browse 749 free mods for Minecraft Java 1.21 — popular picks include Gravestone Dungeons Data Pack, Undertale modded, Harshen Universe.
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Gravestone Dungeons Data Pack
This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!
Undertale modded
An Undertale mod, new items, new blocks, new armor, new weapons, new food, new structure and new trades.
Harshen Universe
Dungeons with their custom mobs, weapons&armors, accessories with their own system, rituals, blood(system), ores&plants, new dimensions and more...

Fathoms
Dredge the depths, seize the seas, and find secrets untold deep below the waves...
Twerk Crop Growth
Simple mod that allows twerking to speed up sapling and crop growth.

Starfield Pastoral
This mod brings a near full-scale Stardew-style life sim experience into Minecraft. Find the Wizard’s Tower in the overworld, travel to the Stardew dimension, inherit your grandfather’s farm, and begin a long, relaxing life.
Ars Elixirum [Forge Edition]
Ultimate extension of potion crafting, applications, and diversity!
Multiplayer Essential
General Essentials for multiplayer world hosting and more! Build With your friends with the wand and axiom mods, Create And Share Animations With the customizable player models mod and More! also try our minimum edition, which will almost never update!
POKELAND
Cobblemon 1.7.1 Modpack | Legendary Pokémon | Mega Evolutions | Pokémon Towns | Centers | Gyms | Leaders | Trainers | New Generations | New Food & Drink | Optimization | Essential | Voice Chat | Surround Sound | Automatic Data & Resource Pack.
Primordial Harvest
Discover plants from a forgotten era!
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
[🎄] Seasonal Decorations
Decorate your world for Halloween with spooky candles, carved pumpkins, coffins, and eerie details to bring true haunted atmosphere to Minecraft.
Skulls & Spirits
Whip up spooky spirits and ghastly brews in this Minecraft mod made for for SpookyJam 2024!
ValhallaMMO
Specifically designed to counter the 2-week gameplay cycle. Keep players active for longer! (Also known from The Realm SMP!)
You Die You Lose a Heart [Fabric/Forge] (Discontinued)
Whenever you die you lose a heart, if you lose all of them you will be forced to go into spectator mode
[梦华构想]OneiricConcept
Additional mods for Primogem Craft

True Survival
True Survival Mode is a comprehensive set of 1.21+ datapack features that aim to overhaul Minecraft's survival mode. It tackles difficulty and progression through means that don't disrupt Minecraft's regular gameplay, while also providing new adventures!
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Dwarfs And Giants - Scale potions
Change the size of yourself and mobs using craftable potions. Large variety of sizes available!
Haven Growth
Squat, crouch, sprint, run, it doesn't matter! We grow anything*
Mrdorkyman's Random Stuff
This mod includes random things I made in MCreator, along with many crafting recipes and advancements.
Journey Into The Light
Journey Into The Light (or "Journey" for short), formally known as Essence of the Gods, is a large exploration mod that not only expands the vanilla content added - but also adds 8 new dimensions, over one hundred mobs, strong weapons and armor, and more
NMI - server side mods only
This is a collection of over ✨150+✨ server side mods that enhance your gameplay with voice chat, factions, economy, seasons, dungeons, buildings, mobs and much more. 🌌
Ethereal Grove
This project is a datapack inspired by The Twilight Forest mod. Bringing veteran player nostalgia into a future vision of what the The Twilight Forest may look like.
The Diamond Dimensions Reborn
A modern port and upgrade of DanTDM's Diamond Dimensions modpack from 2015.
Eidolon : Edoni
A mod which adds compatibilities between Eidolon:Repraised and Farmer's Delight.
Spooky Jams
🫙 SpookyJam 2025: Adds various craftable "Spooky Jams", which give effects when consumed.
TacCorp's Trinkets!
A mod for all your crystalline, decorative or damage-dealing needs!
LightWithin
This mods adds a new and player-specifc-unique power: InnerLights! Yes, a magical-ish power that changes from player to player!
Cult of Cats
Adds a magical cat cult into the game
KamenRiderWeaponCraft
Assemble all Rider's Weapons is Mod!
Le Fishe Exotique Au Chocolat
Funny Chocolate Fish Mod
Palamod RECREATED
Palamod Reproduction of the FAMOUS mod of the Paladium faction pvp server
NetherClone
OP tool for cloning blocks & items
Variating Mobs
Mobs can spawn with varied stats! Aswell as a few more related things.
Gravity Enchantment
New enchantment that's appy a short levitation effect to the victims!