Minecraft Java 1.21 Mods
Browse 332 free mods for Minecraft Java 1.21 — popular picks include B-RTP, More Biome Coloured Blocks, More Jungle Saplings.
Updated daily
B-RTP
BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance
More Biome Coloured Blocks
Moss, Azaleas and more made biome coloured!
More Jungle Saplings
Adjusts jungle saplings drop chance from 2.5% to 5%, like every other leaf block.
RealisticSeasons
Premium multi-world seasons plugin with biome-aware weather, persistent temperature preferences, crops, mobs, and immersive effects.
BiomeBetray
Biomes occasionally and silently swap your hotbar items with random ones from your inventory when you enter them :trollface:
Salinity
A New Cave Biome, a New Armor, a New Mob, and more.
Terraspread - Spread Biomes
Spread biomes across biome borders with a new craftable item
Less Leaf Litter (LLL)
Reduces the amount of leaf litter that spawns in forests and dark forests, only making it appear under some trees instead of under all of them
Advancement Tracker
Detailed, real-time progress tracking for Minecraft's grindiest "collect them all" advancements — see exactly which biomes, mobs, foods, and animals you still need. Opens with a keybind (default J).
Cool End
This mod adds new biomes, structures, mobs and resources to the End and Overworld, expanding exploration and improving gameplay and visuals.
Fix Jungle Saplings
Fixes Jungle Saplings drop rates to match other trees.
Corrupted Nether
Adds a Corrupted Forest biome to The Nether
Make It Rain!
Client-side mod that adds rain to normally dry Overworld biomes
Survival Not Guaranteed
Dive into an expansive Minecraft modpack that blends challenging survival mechanics like temperature and thirst with extensive exploration of overhauled dungeons and new biomes, all while offering dynamic combat, magical mastery, and complex automation.
Biome Spreader
Adds recipes for potions that can spread biomes
Mo Flowers
MoFlowers is a Minecraft mod that adds new flowers, shrubs and decorative blocks, with associated mechanics, biome generation, flower management API, custom rendering and localisation support.
Fussy Azaleas
Azalea bushes only generate from bone-mealed moss in specific biomes.
XxCreeperxX's Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more
AI Dungeon Generator
AI Dungeon Generator revolutionizes exploration on your Minecraft server by introducing intelligent, procedurally generated dungeons that adapt to your world's biomes.
Show Biome In Name
Shows the current biome a player is in next to its name
LocalizedWeather
A Fabric mod that replaces Minecraft's global weather with localized weather zones. Each 256×256 block region gets its own weather, rain, snow, and thunderstorms happen independently across the world with biome-aware rules, smooth transitions, and blocky
World Expansion
This mod upgraded vanilla biomes and adds new ones for a more interesting journey around the world! Update 1.0.0 - Savanna and Dark Forest
Diverse Fishing
Encourages Fishing by adding Biome-Specific & Structure-Specific Fishing Loot, rewarding you more if you Fish in different Places!
OTBWG - Farmer's Delight - Bark Cutting Compat
Adds Compatibility Between Oh The Biomes We've Gone & Farmer's Delight
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
Nature's Cauldron
Making Brewing Actually Enjoyable
MC-Themed Powers
Adds special abilities you can unlock in survival Minecraft. Each power is based on Minecraft mobs/biomes.
Tectonic Layers
Stacks Nether and End layers inside the Overworld, with native layered terrain, biomes, fog, lighting, portals, and dragon support.
BiomeBlade
Weapons deal bonus or reduced damage depending on which biome the combat takes place in, creating strategic territorial advantages.
Serena Seasons X Oh The Biomes We've Gone
A simple datapack designed to improve compatibility between Serene Seasons and Oh The Biomes We've Gone.
Distant Lands
Discover immersive biomes inspired by Brazilian flora, 500+ blocks, Carpenter Table, Hollow Logs, and Crawl for hidden adventures!
Configurable Difficulty
A server-side Minecraft mod that adjusts entity attributes based on their biome, dimension, and depth
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Flora Expansion
Expanding Minecrafts flora with new plants, crops, blocks and mechanics
Grow More Gardens
A farming-focused mod that lets you grow, expand, and manage your own garden with new crops, tools, and immersive mechanics.
RoseBackport
Adds rare classic red and blue roses to specific biomes in your world!