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Forge Mods for Minecraft 1.20

Browse 15 free Forge mods for Minecraft 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 Dulling
1.20.1forge

The Dulling

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

1.3kdownloads
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
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
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. […]

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