Minecraft Java 1.21 Mods
Browse 3,577 free mods for Minecraft Java 1.21 — popular picks include Mounts & Monsters, Kislevemon, A Game of Blocks.
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Mounts & Monsters
minecraft mod that adds more features around the mounts of mayhem update theme
Kislevemon
This is a Cobblemon addon which comes with currently 19 fakemons, Shiny and non shiny! they can be found in the oceans, deserts and forests.
A Game of Blocks
A Game of Thrones/Westeros, Overhaul Minecraft Mod, inspired by Mount & Blade.
Roost Ultimate - Biomes O' Plenty [ADDON]
Adding support for spawning Roost Chickens in other Biomes
Footsteps Trail
Never get lost again! Fading footstep markers help you retrace your path through caves, forests, and beyond.

Natural Philosophy
Adding the object permanence that Mojang didn't have to Vanilla biome design
Dark Forest Watchtower - Structure ✅
Dark Forest Watchtower is a modded Minecraft structure designed as a lookout tower, naturally integrated into dark forest biomes and intended for exploration, observation, and environmental atmosphere.
Forest Villages
Adds villages to the regular forest biome, simple as that!
🎃 Allhallows ~ Halloween
A Halloween decoration mod that adds monsters, costumes, and decor
Nature's Spirit: Village Waystones
Adds Waystones to villages from Nature's Spirit
Mushroom Villager House
Adds a Mushroom Villager House to the Darkforest biome
Better Snowy Leaves
Beautify snowy forests with more natural snow cover on leaves
Alizaras Things
Build and build until you cant anymore.
IHFR FLESHED OUT (Abandoned)
A mod adding a new flesh based dimension to the game with horrid beings inhabiting it. Plus magic, weapons, decorations and more.
Perfect Water
Perfect Water enhances Minecraft Java Edition by transforming water into a clear, dynamic, and immersive system with realistic movement, lighting, and biome-based visuals.
Return of the Void Fog
This datapack brings back the classic void fog as a hidden biome found between layers -50 and -64, shrouding the world’s depths in a dark and mysterious atmosphere.
lumaLight
Colorful client-side lighting, outlines, bloom, and a biome-aware cartoon atmosphere without shader packs.

Minecraft Music Remastered
This resource pack makes it so that the original C418 songs can play in any biome, and adds back some removed songs.
Realistic Tree Behaviour
Realistic Tree Behaviour makes trees fall with physics + sounds, clearing foliage they hit, and bouncing slightly before settling back into blocks. It keeps the tree intact during the fall for a more natural, realistic yet vanilla feel.
Porkier Piglins
Improves the models, and textures of Piglins, Piglin Brutes, and Zombified Piglins as well as adding biome dependent and random variants
Better Journeys
Vanilla+ Modpack, focused on exploration, nature, and good vibes!
Enhanced Biomes Music
Improves soundtrack playback in biomes, adds an Intelligent Playback System in Mountain and Cave biomes — something that was so missing in Minecraft. Check out the description to see what else the mod improves.
Pixelmon Wild Realms
Explore a vibrant world of wild biomes, magical ruins, and epic adventures. Catch, train, and battle in a beautifully enhanced Pixelmon survival experience full of exploration and discovery.
Biome Plus
Biome Plus enriches Minecraft with more vibrant biomes. Discover the Birch Forest Plus, featuring lusher vegetation and vanilla animals! Perfect for those looking for a more immersive, realistic exploration experience.
Ascension
Ascension brings you into the world of Jianghu. The choices are all up to you! (Xianxia, Cultivation, Murim, Immortal, ascending)
Spooky Additions
Adds a collection of small spooky themed structures to your world
OneLayer
Superflat world with all biomes and structures
Ecliptic Seasons - Nature's Spirit
This mod provides seamless compatibility between Ecliptic Seasons and Nature's Spirit.
MrFeg's Lightning Items
This Mod is a combat and exploration-focused mod that brings the power of thunderstorms into Minecraft. It adds new lightning-themed tools, weapons, mobs, blocks, biomes, dimensions, and a mysterious ARG storyline hidden beneath.Find Out The Truth 8962....
Builder's Frontier- Official
Mod pack that has ars noveau, more villagers, hire villagers, create mod + guns, biomes o plenty and more
Juztsy's - Structure
this mod adds over 26 structure to the game with unuiqe part,loot table, advancements and other that match the biome,structure and overworld!!!
CITATTFP
Datapack for change Twilight Forest portal activator item
Mystelium
Add a biome, tools, armor, structure, achievements and more
VividHorizons - Colorful, Lively and Saturated Grass
A simple resource pack that enhances biome, environment and foliage colors for a more vivid and colorful Minecraft experience. No Optifine Needed! Enjoy it!
BioMech
Man and machine become one. Replace body parts with machine parts and enhance your own body with new functionality.
consistent jungle leaves
makes the jungle leaf loot table the same as another leaves