Mods for Minecraft Java
Browse 65 free mods for Minecraft Java — popular picks include Wither: Reincarnated, Pumpkillager's Quest, Tensura: Not Enough Bosses.
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Wither: Reincarnated
Makes several improvements to the Wither boss
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
Tensura: Not Enough Bosses
Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.
Tensura Dungeon
Tensura: Dungeon adds a 10-floor dungeon to Tensura Reincarnated with traps, bosses, shrine challenges, elite mobs, and custom gear. More content coming soon.
The Cardinal Sins
Fight bosses based off of the Seven deadly sins and many more while using unique custom weapons with abilities!
The Nexus (Deep Dark Dimension)
The scary dimension behind the portal! New final boss!
Pomkots Mechs
Adds variety of mechs such as vehicles, mobs, bosses to your world!
Austinsupercar's Dungeons and Bosses
Difficult dungeons and bosses with anti-cheat mechanics.
Moonstruck Phantasm
Adds the Moonstruck Apparition, a highly developed boss with fleshed-out attack patterns to your game.
Sirenhead: Legacy
Added siren head and cartoon cat [Bosses]
Scary Monsters and Nice Weapons
A mod that adds weapons, bosses, and a working XP Stats system
the hiker
the hiker, a scary mod that adds a new boss named the hiker, it also add a new biome, the hikers forest. and different variants of the hiker!
Cobblemon Dungeon
Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.
Spooky Scary Skeletons
A fun RPG mod with new ores, mobs, tools, armor, bosses, and more!
Lijm's Expanse
Lijm’s Expanse expands Minecraft with firearm manufacturing, vehicle assembly, magic, spell tomes, new bosses, and even cheesemaking. A vast new expanse of possibilities awaits!
Boss Checklist - Camps. Castles. Carriages. Compatibility
Integrates the Piglin Ranger and Ser Marrow bosses from "Camps. Castles. Carriages." as entries in the Boss Checklist mod.
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
The Harvesters
A mod that adds three scarecrow bosses that drop scythes!
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.

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.
Poke card
This Projekt adds an poke Card with that you can capture and release Mobs anywhere. But not endbosses.

CobbleCatalyst
Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.
☣ THE PLAGUE CARRIER ☣ - Epic Mutating Zombie Boss
A twisted titan of decay that spreads plague and devastation across the land
The Cardinal Sins Mod (1.20.1, 1.19.4) – Slay the Sins to Challenge Lucifer
The Cardinal Sins Mod adds a new line of bosses to fight in your world. It introduces enemies based on the seven deadly sins, leading up to a final battle against Lucifer. By defeating them, you can craft their unique weapons and get stronger for the next fight. The mod also includes new structures and […]
Alternative Twilight Mod (1.20.1, 1.20) – Twilight Bosses Fight Back
Alternative Twilight Mod adds new mechanics to the boss fights in The Twilight Forest. This makes each encounter more challenging and requires players to prepare more carefully. Many bosses gain new skills, like the Lich's life-saving abilities or the Snow Queen's freezing traps. The mod also adds two new food items that can give you […]
Scary Mobs And Bosses Mod (1.20.1, 1.18.2) – The Darkness More Terrifying
Scary Mobs And Bosses Mod adds small structures that contain scary bosses, which will drop weapons and tools with certain abilities. Scary entities and new bosses in your Minecraft world, with new weapons and tools. Now the bosses are summoned, for this you must get the materials and craft the summoning blocks. Each boss will […]
Iter RPG Mod (1.20.1, 1.19.2) – Sorrow Spire, Giant Spider, Carcass
Iter RPG Mod is a global RPG mod that expands the adventure part of the game by adding a variety of dungeons, mobs and bosses to encounter. Modification tries to balance itself around vanilla armor and weapons stats, so it can sometimes feel underpowered. Features: Sorrow Spire: In the Nether, a lonely grim steeple towers […]
Wither Spawn Fix Mod (1.21.1, 1.20.1) – Overcoming Spawning Obstacles
Wither Spawn Fix Mod is designed to address the common issue of small blocks like grass, snow layers, flower pots, and carpets obstructing the spawning of the Wither boss. Features: Prevents small blocks from obstructing Wither spawning, ensuring a seamless summoning process. Makes it easier for players to spawn the Wither without needing to clear […]
Cataclysm Apotheosis Addon Mod (1.20.1, 1.19.2) – Make Bosses Truly Fearsome
Cataclysm Apotheosis Addon Mod is designed to make the Cataclysm bosses true endgame challenges, ensuring that they remain tough even in heavily modded setups with powerful weapons and gear. Features: Buffs Cataclysm bosses to be true endgame threats. Designed for modpacks with stronger weapons and armor. Encourages strategic dodging and careful combat. Some bosses retain […]
Dracomelette Mod (1.21.4, 1.20.1) – Dragon Eggs Now Become Food
Dracomelette Mod gives dragon eggs new uses. You spend most of your time training skills, preparing weapons and food to defeat the final Boss EnderDragon, and when everything is ready, the Boss is defeated and gives you a lot of experience and a Dragon Egg. Exactly one Dragon Egg proves that you have defeated the […]
Epic Puss In Boots Mod (1.20.1, 1.19.2) – The Last Wish
Epic Puss In Boots Mod adds new content inspired by the "Puss in Boots" cartoon. This mod introduces three new bosses: Puss in Boots, Death, and Shrek. Additionally, it includes two new weapons: the Death Sickle and Puss in Boots Sword. Screenshots: Epic Puss In Boots Mod Download Links For Minecraft 1.20.1, 1.20 Forge version: […]
Spankster's Horror Craft Mod (1.20.1, 1.19.4) – New Scary Dimensions & More!
Spankster's Horror Craft Mod introduces two new spooky dimensions into the game. These are the Cryptids and Creepypastas dimensions. The mod has five challenging bosses for you to fight and defeat. Two bosses each can be found in the two new dimensions. The fifth boss is hidden somewhere and finding and defeating it is your […]
World of Mobs Mod (1.20.1) – New Mob Variants & Spider Nest Structure
World of Mobs Mod adds new variations to the vanilla mobs in the game. This includes mob variations like two zombies carrying a log, creeper lobbers that pick up and throw zombies at you, short/tall zombie variants, and more. The mod also introduces a new structure called the Spider Nest that inhabits a new boss […]
TaskForce51's Car Pack 2 Content Pack (1.7.10) – Beautiful American Muscle Cars
In TaskForce51's Car Pack 2 Content Pack, you can find some of the most beautiful and powerful American muscle cars. Feel the power of a 69 Boss 429 or step into the diver seat of a 09 Mustang. Features: 1957 Chevrolet Bel Air Sport Coupé 1959 Cadillac Eldorado 1963 Chevrolet Corvette C2 Sting Ray Split […]
TaskForce51's Car Pack Content Pack (1.12.2, 1.7.10) – Powerful American Muscle Cars
TaskForce51's Car Pack Content Pack focuses on the great vehicles that use to rule the road. In this pack, you can find some of the most beautiful and powerful American muscle cars. Feel the power of a 69 Boss 429 or step into the diver seat of a 09 Mustang. Features: 1963 Chevrolet Corvette C2 […]
Scarlet Hill Mod (1.15.2) – New Dimension and Bosses
Scarlet Hill Mod is a mod for Minecraft that adds a dimension inspired by the Twilight Forest but with less skill and quantity. You can enjoy battles with bosses and dungeon raids. Features: Crimson Dimension: This is a dimension that is entirely red. All elements of this mod exist only in this dimension. How to […]