Minecraft Java 1.21 Mods
Browse 255 free mods for Minecraft Java 1.21 — popular picks include Our Story - Earth, Beyond Bosses, Vaults of Abandon.
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Our Story - Earth
A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.
Beyond Bosses
Beyond Bosses enhances the ender dragon boss introducing a new look to the end, a new ender dragon model, new boss attacks, and new boss music
Vaults of Abandon
Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.
RPG Origins - Rise of Power
An action-packed RPG modpack with custom Origins systems, unique weapons, epic bosses, challenging dungeons and an open world that rewards exploration and strategy.
Red Forest
Boss fights, quests, tasks, tools, and guns. Biomes and dimensions with 13+ mobs and 15+ structures and many more.
More Gear
This mod adds 15 new sets of armor and tools; four are based off of vanilla items and the rest off of new ores which can be found throughout the dimensions! There is also a new custom structure in the End dimension holding a new boss called the Shrike!

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
Fragments of Gugugaga
+5 dimensions, +6 bosses, all chained together. 4 main elements that will be used everywhere.
Ambience Mini
Play custom music based on player-state, locations, biomes, dimensions, combat, bosses, etc.
Our Story: The Endless Voyage
Explore 30+ unique dimensions, battle powerful bosses, discover rare treasures, and embark on endless adventures.
Vampires Guns Dragons an Magic .
This Mod pack is intended for low end pc and offers a variety of content from magic'' bosses' and a new dimension.
Void's Titans
This Datapack will add 28 new bosses and 4 new superbosses! The Titans are nothing short of walking calamities.
Dimensions & Dungeons
Explore a new world full of undiscovered possibilities, with new dimensions, bosses, mobs and structures.
Cobblemon Raid Dens Addon - Auto Raid Den Designs
Assigns Cobblemon Raid Dens Desgins based upon the Bosses Element Type instead of using Name Based Json.
Ea Nasir's Items and Bosses Pack
Introduces new bosses, items, and more!
Create Echoes of the Great Derailment
Rebuild the Machine Age after the Great Derailment in a steampunk Create modpack with quests, staged progression, automation, colonies, bosses, exploration, custom mechanics, powerful machines, and a world full of secrets.
Manifestation of the souls
Manifest your soul as a stand, kill bosses, follow quest lines and find structures
You Like Food? 2!
Travel the world, defeat bosses, make stuff, and eat all the food along the way, gaining stronger with each new food you eat.
Epic Bosses
A mod for epic bosses in minecraft that adds a lot of unique content.
Hazelia
Hazelia dimension, creatures, and boss!
Compound V: Survival Crafting & Chest_Loot Addon
Compound V: Survival Crafting & Exploration Addon adds Overworld crafting recipes and balanced structure loot tables for Temp V, Permanent Compound V, and Anti-V serums, removing the need for endgame boss fights.
Cobblemon + Create - Pokemon meets Industrial Revolution!
A hardcore, expert-level modpack fusing Cobblemon, Create, and Cataclysm into one inseparable system | Custom Recipes | Complex Progression | All Pokémon | Mega Evolutions | Gyms & Badges | Boss Fights | Everything Integrated!
Apotheosis Pack
The Apotheosis Pack is a comprehensive Minecraft modpack that maximizes magical progression through enhanced enchantments, epic boss battles, and deep strategic exploration.
Improved Spiders
Adds 4 new types of spiders that can spawn as well as a spider queen boss that spawns in new spider den structures and many new items.
Confluence: Of another World and Create
A carefully balanced modpack combining Create-based engineering with boss-driven progression and new dimensions from Confluence: Otherworld. Explore, automate, and fight your way through a living world.
Terra-Nova
Minecraft with bossfights, automation and physics!
Contoro's Ores+
This mod adds ores and new tools and armor, but with a twist. The player needs certain leveled tools to get stronger ores. This mod also adds a new dimension and a new boss.
The Titans
This Modpack add The Titans and other boss and titans mod!
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Cobblemon Sky Adventure
Cobblemon but you are on Skyblock. Explore dimensions, fight trainers, fight boss. Create your own adventure !
All About Mobs - Creatures & Bosses & Combat
All About Mobs enriches your Minecraft experience by adding a plethora of new creatures to discover and interact with, enhancing the dynamics of each biome.
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
Project Conquest
A action pack rpg game with multi player and over 3 new worlds plus space based on a show called invincible with many powers and bosses plus npcs where you have to destroy worlds or bring peace and fight many foes and complete the story line
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…
Terra by Sexy Crew
Explore stunning landscapes, level up your player and have fun while fighting strong bosses or catching cobblemons