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Minecraft Java 1.20 Mods

Browse 90 free mods for Minecraft Java 1.20 — popular picks include Medieval Buildings [Nether Edition], Rev's Better Structures, Twilight Forest Final Boss.

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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
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
Twilight Forest Final Boss
1.20.1forge

Twilight Forest Final Boss

Adds a boss to the final castle

221kdownloads
Castle Tower
1.21.8neoforge

Castle Tower

Adds a new Castle Tower to Forest Biomes

36kdownloads
The Castle Crashers Mod
1.20.1forge

The Castle Crashers Mod

Bring the world of Behemoth's Castle Crashers into the blocky realm!!

2.7kdownloads
Dimensions Dungeons and Exploration (Oh My)
1.20.1forge

Dimensions Dungeons and Exploration (Oh My)

Adventure with new biomes, animals, plants, and multiple new dimensions to explore! Or settle down with a variety of building and block options to build your home!

913downloads
Castlevania
1.20.1forge

Castlevania

Enter the world of castlevania where vanilla survival is made difficult by an assortment of magic and exploration mods. Explore vast new biomes with expansive ecosystems of 50+ unique mobs and survive the night with an assortment of castlevania weaponry.

908downloads
PliXaZ Nature
1.20.4fabric

PliXaZ Nature

A mod pack that improves the Minecraft experience without destroying it with the heaviest mods, makes it enjoyable to play and decorate your house as well as go on adventures by exploring and fighting through dungeons

830downloads
Totaie's Create Horizons
1.20.1fabric

Totaie's Create Horizons

Totaie's Create Horizon transforms Minecraft with new biomes, dungeons, and terrain, optimized for shader support. It enhances gameplay with QoL features, expands the Create mod, and offers over 200 mods for an immersive adventure and building experience.

653downloads
MYTHIC MOUNTAIN
1.20.1forge

MYTHIC MOUNTAIN

Dungeon & Structure Packs: Mods like When Dungeons Arise or Trek scatter massive castles, ruined ships, and intricate wizard towers across specific biomes.

189downloads
NotYourAvragePack
1.20.1forge

NotYourAvragePack

A feature-packed Minecraft 1.20.1 modpack focused on exploration, adventure, and building, with new biomes, dungeons, mobs, and quality-of-life improvements for a richer and more immersive survival experience.

188downloads
Death Reimagiend
1.20.1forge

Death Reimagiend

A dark medieval modpack focused on exploration, combat, and survival. Build castles with detailed furniture, discover new foods, explore diverse biomes, and gear up with powerful armor, weapons, and shields. Choose your origin.

144downloads
Repurposed Structures Better Nether Fortress Compat Datapack Resource Pack (1.21.1, 1.20.1)
1.21.1

Repurposed Structures Better Nether Fortress Compat Datapack Resource Pack (1.21.1, 1.20.1)

Repurposed Structures Better Nether Fortress Compat Datapack Resource Pack brings compatibility between Repurposed Structures and Yung's Better Nether Fortress mod. It replaces the standard Jungle Fortress with a huge fortress built in Yung's fortress style. This pack combines the lush green look of jungle ruins with grand castle rooms, winding hallways, and hidden loot chambers. […]

Twilight Forest Aurora Palace Regeared Data Pack (1.21.1, 1.20.1)
1.21.1

Twilight Forest Aurora Palace Regeared Data Pack (1.21.1, 1.20.1)

Twilight Forest Aurora Palace Regeared Data Pack replaces the old ice castle in the Twilight Forest mod with a giant, beautiful new structure. It turns the Snow Queen's home into a huge challenge filled with different rooms, traps, and better loot. You can explore a much larger palace that looks amazing from the outside and […]

Honeycomb Parkour 2 Map (26.2, 1.20.1) – Race the Clock Across Floating Hexagons
1.20.1

Honeycomb Parkour 2 Map (26.2, 1.20.1) – Race the Clock Across Floating Hexagons

Honeycomb Parkour 2 Map challenges you to jump across giant hexagonal rooms filled with different biomes. This map tests your jumping skills as you travel through floating islands, lava pools, and stone castles. You can start a timer to see how fast you finish each course. Features: Hexagon Rooms: Every level takes place inside a […]

Aetherhold Castle Map (26.2, 1.20.1) – Rule a Grand Medieval Mountain Fortress
1.20.1

Aetherhold Castle Map (26.2, 1.20.1) – Rule a Grand Medieval Mountain Fortress

Aetherhold Castle Map gives you a huge medieval fortress to explore on top of a rocky mountain. The map features tall stone towers, green roofs, and a thick pine forest all around the hill. You can walk through pretty flower gardens and stone paths inside the castle walls. It also has fully built rooms inside […]

Forest Dwellers House Map (26.2, 1.20.1) – A Cozy Woodland Base
1.20.1

Forest Dwellers House Map (26.2, 1.20.1) – A Cozy Woodland Base

Forest Dwellers House Map drops you into a quiet, dense woodland where a cozy medieval home waits for you. This map gives you a perfect starting point for a survival game or a calm place to hang out with friends. The main building features a classic timber-frame design connected to an old, tall stone watchtower. […]

Diorite Castle Map (26.2, 1.20.1) – Fully Furnished Castle
1.20.1

Diorite Castle Map (26.2, 1.20.1) – Fully Furnished Castle

Diorite Castle Map drops you into a large custom spruce forest hiding a bright white fortress. You can explore the tall trees and find a quiet lake nearby. The map gives you a finished area with several buildings to look around. Every building has full rooms inside, ready for you to use. It works great […]

Medieval Fantasy Tower Map (26.2, 1.20.1) – Start a Magical Journey
1.20.1

Medieval Fantasy Tower Map (26.2, 1.20.1) – Start a Magical Journey

Medieval Fantasy Tower Map drops you into a forest biome with a fully built base ready for your survival run. The map gives you a tall building made of stone and wood. You start your game inside this completed structure instead of building from scratch. Every floor inside the tower has furniture and useful blocks. […]

Castle Dudley Map (26.2, 1.20.1) – Majestic Stronghold
1.20.1

Castle Dudley Map (26.2, 1.20.1) – Majestic Stronghold

Castle Dudley Map is a majestic stronghold perched high on a rugged hilltop, offering sweeping views of forests and distant snow-capped peaks. Its striking red-tiled roofs and fortified stone walls evoke the grandeur of medieval architecture, while the winding path leading up to the castle adds a sense of adventure and realism. Perfect for roleplay, […]

Nether Dungeons Mod (1.20.1, 1.19.4) – Make Nether More Exciting
1.20.1forge

Nether Dungeons Mod (1.20.1, 1.19.4) – Make Nether More Exciting

Nether Dungeons Mod adds a wealth of new content to the Nether dimension, including new biomes, structures, mobs, blocks and mechanics. This mod makes the Nether a more exciting and diverse place to explore. Features: Structures Now, by exploring the Nether dimension you can find new structures built by the Piglins, including their houses, altars, […]

The Grey Castle Map (26.2, 1.20.1) – Epic Fortress
1.20.1

The Grey Castle Map (26.2, 1.20.1) – Epic Fortress

The Grey Castle Map is an enormous, beautifully crafted fortress city surrounded by towering walls and ringed with massive watchtowers. Inside, its sprawling palace complexes, elegant courtyards, and vibrant gardens create a breathtaking contrast to the harsh desert and icy biomes beyond its borders. This map delivers a fully realized medieval stronghold-part royal residence, part […]

TDmon Mod (1.21.1, 1.20.1) – More Custom Pokémon
1.21.1fabric

TDmon Mod (1.21.1, 1.20.1) – More Custom Pokémon

TDmon Mod is an addon for Cobblemon, adding custom Pokémon to the Cobblemon mod. This mod adds 5 new Pokémon to the game. Features: Stunfisk is uncommonly found in the Swamp, while Galarian Stunfisk is in the Taiga forest. All the monkeys can be rarely found in the Jungle. Be sure to check the Castle […]

Mo' Structures Mod (1.21.8, 1.20.1) – Flying Castle, Jungle Pyramids, & More
1.21.8fabric

Mo' Structures Mod (1.21.8, 1.20.1) – Flying Castle, Jungle Pyramids, & More

Mo' Structures Mod is a structures mod with loot & spawners in some structures, to increase the RPG aspect of Minecraft. Features: Adds a variety of structures like jungle pyramids, floating castles, pirate ships, and more. Each structure comes with its own backstory, enhancing the RPG aspect of the game. Includes fun mini-dungeons for players […]

Amilion: Tree House Map (26.2, 1.20.1) – Kingdom Among the Leaves
1.20.1

Amilion: Tree House Map (26.2, 1.20.1) – Kingdom Among the Leaves

Amilion: Tree House Map is a house map designed by TheCraftMiner. Rising high above the jungle canopy, the Amilion Treehouse stands as a breathtaking monument to nature, fantasy, and vertical design. Suspended walkways, glowing lanterns, and cozy towers encircle a massive central tree, creating a sky-bound village like no other. With roots anchored deep in […]

Village City Map (26.2, 1.20.1) – NPC Village Transformed
1.20.1

Village City Map (26.2, 1.20.1) – NPC Village Transformed

Village City Map is a creation map designed by Chaosflo44. Tired of lifeless superflat villages? Village City takes the classic NPC village and evolves it into a vibrant, expanded city full of character and charm. With cobblestone swapped for elegant stone bricks, you'll discover upgraded farms (including melons and pumpkins), a towering castle, ancient forest […]

Wetland Whimsy Mod (1.21.1, 1.20.1) – Overhauls Swamps With New Visuals and Content
1.21.1neoforge

Wetland Whimsy Mod (1.21.1, 1.20.1) – Overhauls Swamps With New Visuals and Content

Wetland Whimsy Mod transforms swamps with extensive new content. It introduces the Marsh biome, diverse flora like Pennywort and Cordgrass, and unique fauna such as the Swamp Spider. It adds Limestone and Bald Cypress woodset for building, alongside Wetland Ruins and Swamp Dungeons filled with loot. Ruins may contain hidden dangers, offering a challenging exploration […]

Human Companions Mod (1.20.1, 1.19.2) – No Longer A Lonely Adventure
1.20.1forge

Human Companions Mod (1.20.1, 1.19.2) – No Longer A Lonely Adventure

Human Companions Mod is a mod that introduces human allies with whom players can interact. These companions have varied appearances, as shown in the images below. Currently, there are two types of companions: knights and archers. These companions will naturally generate inside various types of houses that spawn in forest biomes. To recruit them, players […]

MysticMons Data Pack (1.21.1, 1.20.1) – Models and Animations for Cobblemon
1.21.1

MysticMons Data Pack (1.21.1, 1.20.1) – Models and Animations for Cobblemon

MysticMons Data Pack includes models and animations for Pokemon currently not available in the base mod. It also enables Legendaries to spawn in the wild. Features: Pokemons are currently in this pack: Yveltal – Spawns in Dark Forests at night Buzzwole – Spawns in Swamps Roodikee, Corvisquire, Corviknight – Spawns in Swamps, Mountains and Forests […]

Holycube Castle Map (26.2, 1.20.1) – A Majestic Medieval Stronghold
1.20.1

Holycube Castle Map (26.2, 1.20.1) – A Majestic Medieval Stronghold

Holycube Castle Map is a castle map designed by Roi_Louis. Step into a world of timeless grandeur with Holycube Castle, a massive medieval city sprawling across lush terrain and fortified with towering red-roofed castles. Nestled within dense forests and surrounded by golden wheat fields and rivers, this build is a masterpiece of historical architecture. From […]

Castle Svebosin Map (26.2, 1.20.1) – Grand Eclectic Masterpiece
1.20.1

Castle Svebosin Map (26.2, 1.20.1) – Grand Eclectic Masterpiece

Castle Svebosin Map is a castle map created by RezolutnyDarek. Enter the enchanting world of Castle Svebosin, a breathtaking architectural marvel inspired by the legendary Neuschwanstein Castle. This eclectic romantic fortress seamlessly blends Gothic, Romanesque, and Renaissance styles, creating a structure with its own unique charm and grandeur. Nestled atop a lush, forested landscape, the […]

Kredik Shaw Map (26.2, 1.20.1) – Forgotten Temple of Nature
1.20.1

Kredik Shaw Map (26.2, 1.20.1) – Forgotten Temple of Nature

Kredik Shaw Map is a castle map created by lynchyinc. Hidden deep within the passage of time, Kredik Shaw stands as a grand temple dedicated to nature, its beauty long forgotten by the world. This awe-inspiring megabuild was created as a personal challenge to push the limits beyond small-scale projects, resulting in an architectural masterpiece […]

Castle Verilian of Aeritus Map (26.2, 1.20.1) – Castle in a Canyon
1.20.1

Castle Verilian of Aeritus Map (26.2, 1.20.1) – Castle in a Canyon

Castle Verilian of Aeritus Map is a castle map created by KCRat. Nestled in the heart of a breathtaking canyon, surrounded by towering mountains, this fully furnished castle offers both beauty and mystery. Inspired by the lush, green nature of the canyon, the castle is named after its vibrant surroundings. Inside, you'll find hidden secrets, […]

Heart Crystals Mod (1.21.1, 1.20.1) – Permanently Boost Player Health
1.21.1fabric

Heart Crystals Mod (1.21.1, 1.20.1) – Permanently Boost Player Health

Heart Crystals Mod introduces Heart Crystals, special consumable items that permanently increase player health. Heart Crystals are crafted using Heart Crystal Shards, which can be found as loot in various structures such as Abandoned Mineshafts, Dungeons, Buried Treasure, and End City Treasures. Players can also discover shards in Desert Pyramids, Jungle Temples, Woodland Mansions, and […]

Silverhelm Castle Map (26.2, 1.20.1) – Castle On The Hill
1.20.1

Silverhelm Castle Map (26.2, 1.20.1) – Castle On The Hill

Silverhelm Castle Map is a castle map created by Sur_Marcus. Perched atop a forested island, The Silverhelm Castle is a grand fortress commanding a majestic view of the surrounding waters. Its towering spires and fortified walls evoke a medieval fantasy aesthetic. The castle's multiple turrets and tall, dark roofs dominate the skyline, while the hill […]

Mage Academy Map (26.2, 1.20.1) – Majestic Stronghold
1.20.1

Mage Academy Map (26.2, 1.20.1) – Majestic Stronghold

Mage Academy Map is a castle map designed by evilsketch. Perched atop a hill, surrounded by lush forests and breathtaking views, the Mage Academy stands as a beacon of magic and mystery. Its towering stone spires and red-roofed turrets connect through grand bridges, creating a majestic yet ancient atmosphere. Within its enchanted walls, aspiring mages […]