Minecraft Java 1.20 Mods
Browse 158 free mods for Minecraft Java 1.20 — popular picks include UltraRituals-Free, SQBubliks: Restart 2, Skillbound-RPG.
Updated daily
UltraRituals-Free
Offering altar system to summon bosses, free version
SQBubliks: Restart 2
This is a COMPLETE rebirth of the SQBubliks: Restart project — the world is now filled with dozens of unique bosses, a deep ability system, advanced RPG mechanics, and a fully revamped, living world generation.

Skillbound-RPG
Skillbound transforms Minecraft into a classic RPG with level-based skills, improved combat progression, magic, prayers, Slayer tasks, bosses, new equipment, and rewarding unlocks as you advance from levels 1–99.
Integrity Bossfight Spawner
Makes Integrity from The Broken Script spawn on a custom day!
MythicKorra - Advanced ProjectKorra & MythicMobs Integration Addon
Expand your MythicMobs bosses with element-based mechanics, statuses, conditions and more!
Benate
This is a mod that surrounds a new demigod/boss named Benate. This mod adds a desert dimension and a Forest dimension that have existed for many many years but not thoroughly explored.
Sapphire Tools and Armor Mod
This mod adds Sapphire Tools, Armor, and a cool new boss.
Passive Boss Bars
This is a lightweight, server-side mod for modpack creators that allows you to make boss bars only appear when a boss is aggro. The mod "Mob Boss Bars" is required for this to work.
Ragnar Mob Stats
Configurable system that assigns dynamic levels and stats to neutral and hostile mobs, with exclusions and rules by dimension, structure, and boss.
Randomizer Egg
Adds randomizer egg that spawns a random mob or boss when used.
Beyond The Edge
Many new dimensions, bosses, mobs, and ores that will help you progress through the mod. It is a progression-based mod, where each dimension increases in difficulty. It is a post-game mod. It is a mod with some story elements.
The broken knight
a new nether bossfight to the game
BBAds
Want to capture your player's attention? Use bBAds to display custom messages via the BossBar. Features include configurable server ads, player-submitted content, a regex filter, and robust admin controls. Tailor messages to match your server's style.
HardcoreMobs
Script your own boss!
KT Boss Bars [DLTB]
Adds new boss battles like in Dying Light
Bosses recrafted
This project buffs the vanilla bosses (Elder guardian, The Wither and Ender dragon)

Great Soup
This mod is focused on adding soups with various effects. It also adds bosses, new mechanics, biomes, and glue, but the most important thing is the soups.
Homckach's Random Stuff
Adds bosses, weapons and mechanisms with nice progression, advancements will help you figure it ou
Boss area woof
BossArea is a Fabric 1.20.1 mod designed for custom adventure modpacks to make fight areas in a RPG style
Boss Difficulty
This mod changes the boss system, making progression gradually more difficult and interesting.
Warden Boss Bar
A datapack that adds a boss bar for the Warden and a new advancement for killing it.
Hell Guardian
This mod for Fabric 1.20.4 adds a custom new end-game bossfight: The Hell Guardian🔥
SeasonManager
A powerful, Folia-native server lifecycle engine that automates seasons, phases, and grace periods for modern Minecraft networks. Providing autonomous scheduling with high-performance execution and premium visual feedback via BossBars and Titles.
Void Plus
Void+ is a content expansion mod that enhances Minecraft with new dimensions of progression. Discover powerful tools, armor, relics, bosses, structures, materials, and unique mechanics while exploring an immersive world full of adventure.
Domain of Harvested Echoes Modpack (1.20.1) – Master Cursed Techniques And Build
Domain of Harvested Echoes Modpack brings the powers and battles of Jujutsu Kaisen into your blocky world with deep sorcery mechanics and custom combat systems. You can master iconic innate techniques, expand deadly domains, and level up your character while building dream homes and brewing drinks with friends. It mixes intense anime boss fights with […]
Mob AI Tweaks Mod (26.2, 1.20.1) – From Sniffers To Skeletons
Mob AI Tweaks Mod transforms Minecraft’s mob behavior, boss mechanics, and combat dynamics into something far more intelligent and challenging. Features: Wither and Ender Dragon Reworks: Multi-phase combat, enraged states, smarter healing, new visuals, and combat patterns. Elder Guardian Bossified: Beams, dashes, oxygen-draining mines, boss bar, and more. Mini-Bosses: Ravagers, skeleton horsemen, and enhanced Illagers. […]
The Cosmic Spokespersons Mod (1.20.1) – 3 New Powerful Bosses
The Cosmic Spokespersons Mod is a boss-focused Minecraft mod that expands the game after defeating the Ender Dragon. It introduces new powerful bosses, special visual effects, and light story elements that guide the player through challenging encounters. Features: New Boss Battles The mod currently introduces 3 powerful bosses, each with unique abilities and combat mechanics. […]
The Rake Horror Mod (1.20.1) – Night Stalking Boss Hunter
The Rake Horror Mod adds The Rake, a dangerous night creature inspired by popular Roblox horror games. It focuses on fair but intense survival combat and nighttime hunting mechanics. Features: Basic Behavior Spawns only at night Lives in a special cave structure (its base) Leaves the cave at evening and returns at sunrise Normally stays […]
SCP-075 The Corrosive Snail Mod (1.20.1, 1.19.2) – Acid Trail Predator
SCP-075 The Corrosive Snail Mod adds a fast, highly dangerous snail entity with corrosive effects and a special dormant mechanic. Only one can exist in a world at a time. Features: Adds entity: SCP-075 (Corrosive Snail) Unique boss-like hostile mob Leaves corrosive particle trails while moving Has an optional dormant (inactive) state Spawning Spawns on […]
Perfection Modpack (1.20.1) – Epic Content-Rich RPG
Perfection Modpack is a content-rich RPG modpack focused on exploration, story-driven quests, and immersive gameplay. It offers a lively world filled with custom structures, improved combat, unique mechanics, bosses, and enhanced visuals. Players progress through guided quests while discovering dungeons, villages, and special locations, with support systems that make it accessible even for beginners. The […]
Endercon Data Pack (1.21.11, 1.20.1) – A New Frontier
Endercon Data Pack offers a fresh take on the End, introducing intricate level design, innovative traversal mechanics, and a diverse range of biomes. Explore a reimagined End dimension, filled with stunning landscapes, challenging puzzles, and epic boss battles. Enjoy playing this data pack! Features: The terrain has been shaped with traversal at its goal, expecting […]
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 […]
Bosses'Rise Mod (1.21.1, 1.20.1) – Dungeons, Dragons, And Dodge Rolls
Bosses'Rise Mod adds epic new world bosses to Minecraft, each with unique mechanics, deadly attacks, and exclusive drops. From fire-breathing dragons to ambushing sandworms, this mod brings intense mid-to-endgame content for players craving more challenge and adventure. Features: 5 custom world bosses with unique dungeons and skills. Combat roll ability (press Z), improved with Knight […]
Qliphoth Awakening Mod (1.21.1, 1.20.1) – Find New Bosses to Conquer
Qliphoth Awakening Mod adds a series of challenging bosses to your world. Each boss has its own unique attacks, mechanics, and special drops. You can find these bosses inside special arenas that generate naturally. Before starting a fight, you can use a spawner structure to read about the boss's abilities. After you win, the spawner […]
Combat Effects Mod (1.21.1, 1.20.1) – Trigger Effects When Entities Enter Combat
Combat Effects Mod provides an effects system when entities participate in combat, helping to enhance the combat experience. Supports the use of regex to customize the effect activation conditions. Various effects can be applied to each situation, from boss fights to PvP, creating flexible combat mechanisms. Features: Trigger effects when entities enter combat. Regex support […]
PCraft Revorn Mod (1.20.1) – Pred Powerups And Potions
PCraft Revorn Mod 2 adds a darkly whimsical twist to Minecraft with new predatory mobs, potions, and mechanics centered around vore-like behavior. From the ambushing Vinemaiden to the regal and deadly Piglin Royal, each encounter is a challenge with unique mechanics. Features: New ambush predator: Vinemaiden (tameable with bonemeal + potion) Piglin Royal miniboss: throne-bound, […]