HomeJava1.21

Minecraft Java 1.21 Mods

Browse 333 free mods for Minecraft Java 1.21 — popular picks include BiomeModes, The Voidland, Rain/Snow Server Sync.

Updated daily

FiltersNature×Robots×Clear all
Sort333 mods
BiomeModes
1.21.4

BiomeModes

A configurable Paper plugin that assigns different gameplay modes to different biomes.

11downloads
The Voidland
1.21.1neoforge

The Voidland

This mod ads a completely new biome: The Voidland, some new gear (armor still not included(will be added in future)) and new mobs!

9downloads
Rain/Snow Server Sync
1.21.8fabric

Rain/Snow Server Sync

This client side mod syncs rain and snow rendering with the server's biome temperature values rather than using the default biome temperature values.

6downloads
Legendary Survival Overhaul Mod (1.21.1, 1.20.1) – Temperature, Thirst, Health Overhaul
1.21.1forge

Legendary Survival Overhaul Mod (1.21.1, 1.20.1) – Temperature, Thirst, Health Overhaul

Legendary Survival Overhaul Mod is a highly configurable mod that significantly expands Minecraft’s survival mechanics. It introduces new systems such as temperature, thirst, localized body damage, and a redesigned health system to create a more immersive and challenging survival experience. Features: Temperature System A dynamic body temperature system influenced by environment factors such as biomes, […]

Beneath Mod (1.21.1, 1.20.1) – TFC Nether Biomes, Ores, And Farming
1.21.1neoforge

Beneath Mod (1.21.1, 1.20.1) – TFC Nether Biomes, Ores, And Farming

Beneath Mod extends TFC mechanics into the Nether, introducing systems and content comparable to those found in the overworld. Players can encounter ore veins, collapsing blocks, trees, and farming mechanics adapted to the Nether environment. Features: Expands the Nether specifically for TerraFirmaCraft Adds Nether-based ore veins Includes collapsing block mechanics in the Nether Introduces Nether-adapted […]

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
1.21.1

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives

Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]

Endercon Data Pack (1.21.11, 1.20.1) – A New Frontier
1.21.11

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 […]

Azalea Growth Control Mod (1.21.11, 1.21.5) – Natural Azalea World Generation
1.21.11fabric

Azalea Growth Control Mod (1.21.11, 1.21.5) – Natural Azalea World Generation

Azalea Growth Control Mod adjusts world generation by limiting azalea tree growth to appropriate biomes. The mod uses a biome tag to define where azalea trees are allowed to generate, ensuring more natural placement across both vanilla and modded biomes without introducing new blocks or mechanics. Features: Restricts azalea tree generation to suitable biomes Uses […]

Derec's Earth Mobs Mod (1.21.4, 1.20.1) – New Mob Variants And Creatures
1.21.4neoforge

Derec's Earth Mobs Mod (1.21.4, 1.20.1) – New Mob Variants And Creatures

Derec's Earth Mobs Mod introduces multiple animal variants with unique behaviors, rare spawns, and interaction mechanics, alongside new hostile mobs and constructible golems. Its focus is on visual variety, environmental interaction, and expanded mob behavior rather than system overhauls. Features: Adds multiple pig variants, including the rare Muddy Pig found across all biomes Introduces new […]

Upgraded Mobs Data Pack (1.21.11, 1.20.1) – New Attacks and Abilities to Mobs
1.21.11

Upgraded Mobs Data Pack (1.21.11, 1.20.1) – New Attacks and Abilities to Mobs

Upgraded Mobs Data Pack is a data pack that adds new attacks, mechanics, and features to many of the mobs you know and love. Have you ever felt that after a while, Minecraft gets too easy? Have you ever wished that you could make it more challenging without the glass cannon nature of the hard […]

Brazil Legends Mod (1.21.1, 1.20.1) – Folklore Creatures And Mythic Gameplay
1.21.1forge

Brazil Legends Mod (1.21.1, 1.20.1) – Folklore Creatures And Mythic Gameplay

Brazil Legends Mod introduces creatures, weapons, and mechanics inspired by Brazilian folklore. The mod integrates mythic beings with behaviors and biome-based spawning.Text Features: Folklore creatures such as Saci, Cuca, Mapinguari, Headless Mule, and Capelobo. Unique AI, combat, and interaction mechanics for each entity. Biome-specific spawning tied to Brazilian myth themes. Additional weapons and systems that […]

Luminous Nether Mod (1.21.1, 1.20.4) – A Nether Alive with Danger
1.21.1forge

Luminous Nether Mod (1.21.1, 1.20.4) – A Nether Alive with Danger

Luminous Nether Mod expands the Nether with two new biomes, lots of new mobs, and a variety of building blocks and decorations. This mod adds new gameplay mechanics, loot to find, and dangerous areas to explore. It makes the Nether a more lively and challenging place. Features: Adds two new biomes to the Nether: the […]

Create Mechanical Spawner Mod (1.21.1, 1.20.1) – Generates Mobs with Rotation Power
1.21.1forge

Create Mechanical Spawner Mod (1.21.1, 1.20.1) – Generates Mobs with Rotation Power

Create Mechanical Spawner Mod adds a mechanical spawner block to the game that uses rotational force to generate mobs. Features: Random Spawn Fluid Biome-dependent random generation Specific Liquid for Mobs Configurable Settings Stress Minimum speed Fluid capacity Spawn point max range Processing time multiplier (or divider). Allows modification of time for all recipes without editing […]

Keepers Of The Stones Mod (1.21.8, 1.20.1) – Embark On Elemental Quests
1.21.8forge

Keepers Of The Stones Mod (1.21.8, 1.20.1) – Embark On Elemental Quests

Keepers Of The Stones Mod introduces an enchanting magical element to Minecraft gameplay through the addition of magic stones. These stones serve as conduits for mastering elemental powers, offering players the opportunity to harness the forces of nature within the game. The mod's core mechanic revolves around obtaining and activating these magic stones, which imbue […]

Thavma Mod (1.21.1) – Re-Imagination Of Thaumcraft
1.21.1neoforge

Thavma Mod (1.21.1) – Re-Imagination Of Thaumcraft

Thavma Mod introduces elemental forces and arcane machines. Inspired by primal energy and mysticism, it offers a progression system where you uncover hidden knowledge, manipulate nature’s elements, and reshape the world with magical devices. Features: Elemental magic system. Arcane machines and contraptions. Discovery and research mechanics. Nature manipulation through primal forces. Screenshots: Crafting Recipes: Thavma […]

Etherology Mod (1.21.1, 1.21) – Thaumcraft Comeback
1.21.1fabric

Etherology Mod (1.21.1, 1.21) – Thaumcraft Comeback

Etherology Mod is a lore-rich mod that combines immersive exploration with intricate mechanics, designed to expand your Minecraft through alchemy, technology, and new biomes. Features: Discover ancient knowledge and uncover the mysteries of the Ether. Master alchemical crafting, reality-distorting staves, and unique technologies. Explore the enchanting Golden Forest with its stunning yellow-leaved trees. Journey underground […]

Nether Depths Upgrade Mod (1.21.1, 1.20.1) – New Flora, Fauna and Mechanics
1.21.1neoforge

Nether Depths Upgrade Mod (1.21.1, 1.20.1) – New Flora, Fauna and Mechanics

With Nether Depths Upgrade Mod, the Nether will gain an under-lava world. Nether Depths Upgrade introduces flora and fauna to the lava seas, allowing new species of fish, sub-lava mobs, structures, and even entire biomes to inhabit the fiery depths. Features: Lava Fishing: Players can fish in lava, catching unique Nether fish. Nine New Fish […]

Galosphere Mod (1.21.1, 1.20.1) – The Diverse World of The Underground
1.21.1forge

Galosphere Mod (1.21.1, 1.20.1) – The Diverse World of The Underground

Galosphere Mod is a mod designed to enhance and expand diversity in Minecraft's underground world. This mod focuses on generating new biomes, creatures, mechanics, blocks, items, effects, achievements, and more. The new underground terrain generation introduced by this mod adds crystals and new mineral resources to the game. These new minerals and materials will allow […]

Oblivion Mod (1.21.1) – Explore New World
1.21.1fabric

Oblivion Mod (1.21.1) – Explore New World

Oblivion Mod is a Minecraft mod that introduces a new custom dimension designed to challenge and intrigue players. This mod serves as a dimensional expansion featuring new biomes, blocks, and unique world-generation mechanics. Features: Access the Oblivion dimension through a portal, distinct from vanilla or other modded dimensions. Create a portal to go to the […]

Nature's Aura Mod (1.21.1, 1.20.1) – Using Aura for Unique Mechanics
1.21.1neoforge

Nature's Aura Mod (1.21.1, 1.20.1) – Using Aura for Unique Mechanics

Nature's Aura Mod is a mod about collecting, using and replenishing the Aura naturally present in the world to create useful devices and unique mechanics. Drain and replenish the Aura that is naturally present everywhere in the world and use it to your advantage: Create magical blocks and natural items to help you with your […]

Cobblemon Minimap Icons Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Cobblemon Minimap Icons Resource Pack (1.21.1, 1.20.1) – Texture Pack

Cobblemon Minimap Icons Resource Pack simply enhances Xaero's Minimap by adding custom Cobblemon icons designed by MBCMechachu. This clean and simple pack provides clear and recognizable icons for various Cobblemon species, making it easier to spot and track Pokémon in your world. Whether you're exploring new biomes or searching for specific Pokémon, these detailed icons […]

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror
1.21.1neoforge

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror

Gigeresque Mod transforms Minecraft into a haunting and thrilling survival horror experience. By introducing creatures and elements inspired by H.R. Giger's iconic designs, this mod adds a layer of fear and excitement that stands out from typical gameplay. Deep underground, players can stumble upon black monolithic structures, ominous and foreboding in their design. These dungeons […]

Siscu's Survival Expansion Data Pack (1.21.1, 1.20.1) – Survivor's Elegy
1.21.1

Siscu's Survival Expansion Data Pack (1.21.1, 1.20.1) – Survivor's Elegy

Siscu's Survival Expansion Data Pack brings you an entirely new survival experience! Welcome to Survivor's Elegy, an extensive data pack designed to add cohesiveness and interesting features to your survival world! With renewed Biomes and some mechanics, this data pack is worth your time! Enjoy playing this data pack! Features: Game Mechanics Withering: Overworld creatures […]

P
1.21.1neoforge

PKK - Create!

A Create-focused adventure modpack with new dimensions, expanded exploration, improved combat, and advanced storage. It blends mechanical engineering, atmospheric biomes, aircraft travel, and enhanced survival for balanced long-term gameplay.

356downloads
B
1.20

Big Globe Bigger Biomes

This datapack modifies big globe foliage and temperature generation to allow for significantly bigger biomes

194downloads
U
1.21.1fabric

Ultrawarm Melting Ice

Adds configurable ice melting behavior for ultrawarm biomes, like the Nether

148downloads
B
1.15

Better Sponge

Sponge block will absorb in a way bigger radius, fully configurable, and uses the same BFS algorithm the Vanilla sponge block. Also auto dries in dry biomes like Bedrock!

9downloads
B
1.20spigot

BiomeChanger

Change the biome of a selected area

4downloads
KingCraft [FORGE]
1.21.1neoforge

KingCraft [FORGE]

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

17kdownloads
Epic Fight × Twilight Forest Compat
1.20.1forge

Epic Fight × Twilight Forest Compat

Epic Fight × Twilight Forest Compat is a compatibility add-on that bridges combat mechanics between the Epic Fight Mod and the Twilight Forest Mod, focusing heavily on modernized weapon combat and move-set integration.

14kdownloads
The NeoFlux Pack | Resurrection
1.21.8neoforge

The NeoFlux Pack | Resurrection

A modpack designed to include latest mods, which will enhance your experience completely. New structures, new biomes, new mechanics and also a kitchen. Enjoy with your friends.

1.8kdownloads
What If...
1.21.1fabric

What If...

Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.

1.0kdownloads
Ender Horizon Expand Mod (1.21.8, 1.20.1) – Tame Flying Mounts and Settle
1.21.8

Ender Horizon Expand Mod (1.21.8, 1.20.1) – Tame Flying Mounts and Settle

Ender Horizon Expand Mod overhauls the End dimension with new biomes, mobs, ores, and mechanics. It turns the Ender Dragon battle into a much bigger event with fresh lore and a new title screen. You can explore hostile terrain, tame helpful companions, and craft unique tools to survive the dark void. Features: Reworks the Ender […]

Alpha Horizon Modernized Mod (26.1.2, 1.21.1) – Relive Alpha Survival
1.21.1

Alpha Horizon Modernized Mod (26.1.2, 1.21.1) – Relive Alpha Survival

Alpha Horizon Modernized Mod blends the nostalgic atmosphere of early Minecraft with the smooth mechanics of newer releases. It places you into a standalone custom dimension packed with unique progression paths, resources, and terrain. You can craft specialized tool sets, explore distinct biomes like the Hell biome, and battle custom bosses without losing the retro […]

Primal Nature Calls Mod (26.1.2, 1.21.1) – Manage Daily Bathroom Needs
1.21.1

Primal Nature Calls Mod (26.1.2, 1.21.1) – Manage Daily Bathroom Needs

Primal Nature Calls Mod adds bodily needs and bathroom mechanics to Minecraft. Eating food fills up a waste meter that players must manage during survival adventures. You can place toilets in your home base or wear diapers while exploring caves to prevent accidents. This mod brings a funny and simple survival challenge to your daily […]

Narcosis Mod (1.21.1) – Grow Specialty Crops and Trade Refined Goods
1.21.1

Narcosis Mod (1.21.1) – Grow Specialty Crops and Trade Refined Goods

Narcosis Mod brings specialized farming and industrial processing systems into Minecraft. It adds custom crops, processing machines, and trading mechanics to your world. You can collect rare seeds from nature, build refining equipment, and sell finished goods to villagers for profit. Features: Adds custom crop cultivation with specialty seeds gathered from wild vegetation. Features multi-stage […]