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Forge Mods for Minecraft 1.21

Browse 15 free Forge mods for Minecraft 1.21 — popular picks include Medieval Buildings [Nether Edition], Dungeons and Taverns Jungle Temple Overhaul, Slayer's Beasts.

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Medieval Buildings [Nether Edition]
1.21.9neoforge

Medieval Buildings [Nether Edition]

New incredible medieval-style structures for the Nether!

7.9Mdownloads
Dungeons and Taverns Jungle Temple Overhaul
1.21.9forge

Dungeons and Taverns Jungle Temple Overhaul

Overhauls Jungle Temples with 4 Variants using new loot tables alongside the Vanilla Loot Table and can have archeology elements inside as well as new puzzles

865kdownloads
Slayer's Beasts
1.21.4neoforge

Slayer's Beasts

Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.

357kdownloads
Rev's Better Structures
1.19.2forge

Rev's Better Structures

A mod that adds immersive, randomly generated vanilla-style structures like ruins, trees, and castles to enhance exploration in 1.16+.

289kdownloads
Aerial Hell
1.21.11fabric

Aerial Hell

Sky Dimension & Dungeons, Bosses - from 1.16.5 to 26.1.x

202kdownloads
[ Spellnomia ] -  Iron's Spells 'n Spellbooks magic modpack
1.21.11neoforge

[ Spellnomia ] - Iron's Spells 'n Spellbooks magic modpack

Master arcane mana and alchemy in this RPG adventure with Iron's Spells, mages, wizards, dragons, bosses, and grimoires. Explore dungeons, dungons, and biomes with opti performance, shaders, and immersive medieval fantasy sorcellerie

32kdownloads
Kingdoms Of The Valley
1.21.1neoforge

Kingdoms Of The Valley

Featuring Create, Minecolonies, Twilight Forest, Aether more.

22kdownloads
The Endless Horizons
1.21.8neoforge

The Endless Horizons

This mod adds different utilities that have the Horizons theme. For example, the primordial trials, dungeons with great difficulty, but that give you exclusive objects. If you love exploration, you will surely love the Endless Horizons mod.

2.6kdownloads
The Goofy Gooners MC
1.21.1fabric

The Goofy Gooners MC

An enhancement to the vanilla gameplay with new mobs and biomes, with many new structures to explore and dungeons to loot, all while running smooth with performance mods

930downloads
RealmsQuest
1.20.1forge

RealmsQuest

RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.

427downloads
The Afterdark Mod (1.21.5, 1.20.1) – Gather Exclusive Resources And Face Challenges
1.21.5forge

The Afterdark Mod (1.21.5, 1.20.1) – Gather Exclusive Resources And Face Challenges

The Afterdark Mod introduces a challenging, resource-rich dimension that stretches 384 blocks tall and is shrouded in darkness. This hardcore dimension is filled with unique biomes, treacherous dungeons, and abundant resources. Features: Adds a 384-block tall dark dimension filled with exclusive resources Unique biomes and dungeons that reward exploration Complex world generation adds challenge and […]

Medieval Decoration Mod (1.21.1, 1.20.1) – Medieval Themed Furniture
1.21.1forge

Medieval Decoration Mod (1.21.1, 1.20.1) – Medieval Themed Furniture

Medieval Decoration Mod adds tons of medieval themed decorations and blocks that you play around and make your world feel more alive. The mod also adds a new biome and several new structures in the medieval style. The mod will make the game world much more lively and varied. Now everywhere you can find pubs […]

Adventure Dungeons Mod (1.21.1, 1.21) – Add Vanilla-Like Dungeons And Structures
1.21.1forge

Adventure Dungeons Mod (1.21.1, 1.21) – Add Vanilla-Like Dungeons And Structures

Adventure Dungeons Mod brings new structures to your Minecraft world. The mod introduces various underground dungeons like the Cold Lair, which is hidden beneath snowy biomes, and the Trial Rooms. Other notable additions include the Bygone Dungeon found under forests and plains and the labyrinthine Murky Dungeon in swamp biomes. Features: Adds new underground dungeons […]

Aether Ascendancy: Twilight Horizons
1.20.1forge

Aether Ascendancy: Twilight Horizons

An adventure/dungeoning pack primarily showcasing The Aether and The Twilight Forest; with many other fun mods boasting fun features and dimensions!

14kdownloads
Verdant Odyssey
1.20.1forge

Verdant Odyssey

Discover Verdant Odyssey, a Minecraft Modpack with stunning biomes, medieval structures, advanced farming, and breathtaking shaders. Explore, build, and thrive in a world blending realism and fantasy—perfect for adventurers, builders, and farmers alike!

1.0kdownloads