Mods for Minecraft Java
Browse 419 free mods for Minecraft Java — popular picks include Slime Dimensions, Hantai No Tengoku, Grandia Dungeons.
Updated daily
Slime Dimensions
Explore the Slime World through custom portals, discover slime biomes, Liquid Slime oceans, new blocks, mobs, resources, bosses, and progression toward Arcane Slime Tech.
Hantai No Tengoku
A simple magic mod that can run on any pc, tame demons, summon hellhounds , travel to limbo and fight upcoming bosses
Grandia Dungeons
A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.
Velorise EMC
A progression-focused EMC mod with transmutation, world tiers, alchemical machines, custom equipment, boss arenas, and endgame challenges.
Penguin Madness
A mod adding Bossfights weapons and more!
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
Ruinous
A minecraft mod that adds a bunch of stuff, including new mobs (2 bosses), new gear and new structures.
Damage Indicator YS
Adds a clean red bossbar health display for the entity you’re looking at, with readable damage, healing, and health feedback.
SpellCraft - Magic World
A Harry Potter-inspired magic mod adding wands, spells, wizard dueling, potions, a leveling system, magical creatures, a wizarding village with traders, and dungeons — including a boss lair and a dementor-guarded prison.
Darkest Garden
Adds a new boss to the Pale Garden!!!
Advancement Share
Shares kill advancements and XP from mobs/bosses with all players who dealt damage.
Star of the world
this mod will add new mobs, ores, food, bosses and totally new structures
Secret of the Ancient City: Echo Dimension
The mod adds a spooky Echo Dimension, custom structures, powerful echo-based tools and armor, unique functional blocks, dangerous natural spawns, and a major boss fight against the Echo Warden Monarch.

Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
the weirdest bosses ever
This an extremely weird mod which adds weird stuff and even a weird dimension you need 12 beacons to go there lol
creeper-apocalypse
Mob Replacement System ALL mobs spawn as Creepers! with exceptions Exceptions that remain normal Blazes you still need blaze rods! Villagers or trading Ender Dragon final boss remains Iron Golem
Tales of the Third Age - Balrog
Adds a Balrog Boss to your Middle Earth modding experience!
Oscurium
This mod adds new bosses, items, tools, armour, mobs and dimensions.
MythicRewards | Boss kill reward/drop plugin with custom rule support | 1.20.5+
MythicMobs Support - Top damage rewards - 6+ reward type built-in - Create your own reward rule
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)

Prototype 0.3
currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.
Crowned Herobrine [LEGACY]
Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)
Thorm's Bosses
An action-packed End expansion adding 3 new dimensions, custom resource progression, and 8 legendary animated bosses with exclusive rewards.

MagicWorld
added 4 elemental type magic ice fire air lighting all types has 4 skill in world added 2 new structures and 1 boss
BossBound Relics [drops & weapons]
New weapons as a reward for beating bosses !
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
NenCraft- Hunter x Hunter
A fan-made Minecraft Forge mod inspired by Hunter x Hunter, adding Nen progression, aura techniques, quests, special abilities, and a Chimera boss arena.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
Summoners
Turns ordinary mobs into mini-bosses that summon reinforcements.
Holger Soup and Sorcery
This Mod adds many soup themed items to the game. Also a flying soup boiler that attacks you and a Soup Biome and Dimension. Also this mod adds the substance Holrosium and Holgarium, Crows and a Bossfight with Holger.
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
The God Eye
GodEye is a cinematic, psychological horror and boss-fight mod that slowly twists your standard Minecraft world into a nightmare. What begins as subtle environmental decay and eerie, fleeting encounters inevitably escalates into a frantic fight for surviva
Cognitio
A chaotic world with strong monsters and bosses and cool artifacts with powerful abilities.
Ray Caster
Ray Caster - get best wands , beast bosses and get op armour.
random things/stuff
random things i added with blockbench for models and mcreator this adds new ore mobs bosses blocks tools items and much much more
iMode
iMode adds witchery, custom spells, new mobs, 4 new bosses, an infinite dungeon dimension and makes game progressively harder. Also adds a level system. Everythig is toggleable in configurations.