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Minecraft Java 1.20 Mods

Browse 28 free mods for Minecraft Java 1.20 — popular picks include Ad Astra: More Structures, The Cosmic Spokespersons, The Old LMB.

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Ad Astra: More Structures
1.20.1forge

Ad Astra: More Structures

Add lots of structures, dungeons and bosses in the Ad Astra planets

1.5Mdownloads
The Cosmic Spokespersons
1.20.1forge

The Cosmic Spokespersons

A mod focusing on special effects, dimensions, combat and bosses, with some plots.

731kdownloads
The Old LMB
1.20.1forge

The Old LMB

A Mod that adds new Bosses, more angry mobs and some animals from our planet

6.2kdownloads
iByte Nexus
1.20.1forge

iByte Nexus

A performance-focused kitchen sink modpack with industrial tech, space travel, bombs, and bosses. Build factories, explore planets, and fight tough enemies—plus grow crops, cook meals, and decorate with tons of blocks. Do it all, your way.

2.5kdownloads
InsaneCraft Reimagined
1.20.1forge

InsaneCraft Reimagined

Inspired by SSundee’s InsaneCraft, this pack features Cataclysm bosses, exploration, space, tech, shaders, and Palladium addons like Alien Evo and FSANG. Credit to PugMeowla for his Palladium Addon. Chaos, adventure, and progression await!

2.5kdownloads
The Fluff² smp
1.20.1fabric

The Fluff² smp

The modpack for the Fluff² smp Adds: Space, weapons, bosses, amour, building stuff, tech and skills

1.6kdownloads
The Dulling
1.20.1forge

The Dulling

A Cosmic Horror Story with Bosses, Dimensions, Magic, and more!

1.3kdownloads
MC Journeys
1.20.1fabric

MC Journeys

Journeys is a questing pack for 1.20.1, featuring a large modlist, interplanetary travel, lots of biomes, machines, bosses, and most importantly for a questing pack, quests (over 400)! So join in the alpha today!

1.0kdownloads
Quicreate Skyblock
1.20.1forge

Quicreate Skyblock

Speedrun oriented Create tech progression Skyblock with magnetic power, nuclear heat, and post game spacer tech from other worlds, made from the local Bosses!

839downloads
Planetary Diaries
1.20fabric

Planetary Diaries

Epic Space Mod to extend your two week survival fase! With a brand new dimension with all new PLANETS you can discover over 20+ structures, new resources, blocks, creatures and even custom BOSSES!

801downloads
MC Starlight LITE
1.20.1fabric

MC Starlight LITE

For Low End PCs! A RPG ExP from another World! Travel through the Galaxy! Fight Bosses! ⭐💫 Starlight 💫⭐

688downloads
MC Starlight
1.20.1fabric

MC Starlight

A RPG ExP from another World! Travel through the Galaxy! Fight Bosses! ⭐💫 Starlight 💫⭐

507downloads
bliblu
1.20.1forge

bliblu

A diverse modpack full of magic, machines, and mayhem. Cast spells, automate factories, conquer bosses, and build rockets to explore space. From dark dungeons to distant planets, there's always a new adventure waiting.

321downloads
Weapons of Cataclysm Data Pack (1.20.1) – Unleash the Attack Moves
1.20.1

Weapons of Cataclysm Data Pack (1.20.1) – Unleash the Attack Moves

Weapons of Cataclysm Data Pack extends Epic Fight, Weapons of Miracles, and L_Ender's Cataclysm with custom attack animations. It gives you the exact moves of the powerful bosses you defeat, letting you fight in a whole new way. You can use many different weapons, from close-range boxing gloves to long-range rocket launchers. Each weapon gets […]

The Cosmic Spokespersons Mod (1.20.1) – 3 New Powerful Bosses
1.20.1forge

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. […]

Planeta Vegetta Modpack (1.21.1, 1.20.1) – Explore, Lead, and Battle Firece Bosses
1.21.1

Planeta Vegetta Modpack (1.21.1, 1.20.1) – Explore, Lead, and Battle Firece Bosses

Planeta Vegetta Modpack is where you can play with the same mods used by the famous YouTuber, Vegetta777! This modpack lets you explore exciting new features, from leading your own village to battling fierce bosses, all while staying true to the classic Minecraft experience. As the series progresses, new mods will be added, so you […]

Intergalactic Map (26.2, 1.20.1)
1.20.1

Intergalactic Map (26.2, 1.20.1)

Welcome to Intergalactic Map! A custom map by Madogdog! This 1.11 adventure map takes you on a journey around the galaxy. You start off just trying to get home, but experience seeks you out! You find friends, enemies, and even some other things! Battle bosses, solve riddles and fly spacecraft, you do it all! You […]

KingCraft [FORGE]
1.21.1neoforge

KingCraft [FORGE]

Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.

17kdownloads
Astral Legends
1.20.1forge

Astral Legends

Explore planets, Fight bosses, Build contraptions and much more!!!

3.5kdownloads
Gordos Lucky Block adventure
1.20.1forge

Gordos Lucky Block adventure

A chaotic, multiplayer-focused modpack inspired by Crazy Craft and Insane Craft. Featuring a massive arsenal of Lucky Blocks, intense boss fights, space exploration, and tech—perfect for a group of friends trying to survive the madness together.

1.6kdownloads
Cosmic crafters
1.20.1forge

Cosmic crafters

A quest-driven Create, magic, RPG, and space adventure where survival grows into automation, arcane power, boss progression, and interplanetary travel.

1.0kdownloads
Dungeons & Dragons Revolution
1.20.1forge

Dungeons & Dragons Revolution

Modpack focused on exploring dungeons, fighting angry bosses, dragons to tame, abandoned cities, advanced technologies to travel to other planets and much more. Best modpack to play with your friends, everyone will love it!

824downloads
Galactic Arcanum
1.20.1forge

Galactic Arcanum

A space-themed modpack combining high-tech energy weapons, spellbooks, epic bosses, and exploration. Master futuristic gadgets and magic to conquer the galaxy. Science meets sorcery in this ultimate adventure!

717downloads
Mecha Pillager Boss Mod (1.20.1) – Battle a Giant Robotic Titan Armed
1.20.1

Mecha Pillager Boss Mod (1.20.1) – Battle a Giant Robotic Titan Armed

Mecha Pillager Boss Mod introduces a giant robotic illager boss packed with destructive firepower and heavy armor. You can summon this armored titan by hunting illagers to get a Menacing Crystal or crafting one yourself. Defeating it requires top-tier gear, quick reflexes, and smart movement to dodge deadly rockets and crushing leap attacks. Features: The […]

Galaxy Superheroes Mod (1.20.1) – Wield Cosmic Superpowers to Stop Alien
1.20.1

Galaxy Superheroes Mod (1.20.1) – Wield Cosmic Superpowers to Stop Alien

Galaxy Superheroes Mod adds cosmic heroes, villains, and powers for Palladium. This mod brings legendary characters with custom ability trees, transformations, and gear to your world. You can fight dangerous bosses, explore dungeons, travel to new dimensions, and stop alien invasions. It also includes unique sound effects, particles, and custom equipment to expand your superhero […]

Beyond Bosses 2 Mod (1.21.1, 1.20.1) – Battle a Multi-Stage Ender Dragon
1.21.1

Beyond Bosses 2 Mod (1.21.1, 1.20.1) – Battle a Multi-Stage Ender Dragon

Beyond Bosses 2 Mod completely changes how you fight the final boss of Minecraft. It gives the Ender Dragon brand new attacks, custom music, and the ability to fly into the overworld. The mod also replaces the main End island with a giant ringed planet and builds a much bigger Stronghold for you to explore. […]

Lovecraft Beyond the Abyss Mod (1.20.1) – Survive a Terrifying Ocean Dimension
1.20.1

Lovecraft Beyond the Abyss Mod (1.20.1) – Survive a Terrifying Ocean Dimension

Lovecraft Beyond the Abyss Mod drops you into a terrifying world inspired by cosmic horror. The mod adds a massive, dark ocean dimension filled with dangerous sea monsters, creepy biomes, and tough boss fights. Features: Deep Abyss Dimension: Adds a massive underwater world with a ceiling like the Nether, requiring light sources to see in […]

Omnicraft Ben 10 Modpack (1.20.1) – Craft the Omnitrix and Turn Into Aliens
1.20.1

Omnicraft Ben 10 Modpack (1.20.1) – Craft the Omnitrix and Turn Into Aliens

Omnicraft Ben 10 Modpack lets you craft the famous watch to turn into fully animated aliens. You can level up your alien forms to fight tough bosses and clear out huge dungeons. This pack also adds magic spellbooks and heavy machines to help you build big factories. It gives you rockets to fly to the […]