Forge Mods for Minecraft 1.21
Browse 87 free Forge mods for Minecraft 1.21 — popular picks include The Twilight Forest, NetherEx, Deep Aether.
Updated daily
The Twilight Forest
A realm basked in mystery and eerie twilight, you will overpower terrifying creatures and secure the adventure of a lifetime; in the Twilight Forest.
NetherEx
NetherEx is a nether content mod.
Deep Aether
An addon for the original Aether mod, aiming to show the deepest lands of a forgotten paradise.
Jaden's Nether Expansion
Nether Expansion is a Vanilla Friendly mod that aims to improve & add new content to every aspect of The Nether
Monster Plus
New mobs of each and every flavor to improve the exploration experience: biome-exclusive monsters, new challenges and more!
Voidscape
Delve into the depths of the Void
Feur - Extension Fossil
[Vanilla+] 15 new structures of old fossil, dragon skull and monster camps !
Underwater Village - Oceanic Structures
Discover a lot of new oceanic structures!
Astral Dimension
Explore 2 magical dimensions shaped by the will of a multidimensional being.
[Axanthic Studios] Lands of Icaria
AGS presents: A vast new dimension inspired by ancient Greek and Egyptian mythology.
Ulterlands: Worlds Apart
Go beyond dimensions; explore a realm unknown yet familiar.
Macabre - Call of False Prophets
Flesh and gore dimension, hard enemies and good rewards.
New Game - An Improved Experience | 26.1.2 UPDATE!
An awesome modpack! | Improve the vanilla experience, adding biomes, creatures, elements and other interesting features.
Mob Compack
(a couple of) Mobs for Biomes O' Plenty
Stellarity
Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.
DARK MIST
Adds an entity surrounded by darkness that hunts you at midnight...
Homesteads - Villager Expansion & New Professions
Homesteads is for the villagers who would prefer to forge their own path in the wilds. This mod adds 5 new Villagers, the Beekeeper, The Lumberjack, The Trapper, The Prospector and The Forager. As well as a variety of new structures for them to inhabit.
Slayer's Beasts
Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.
Incision
A nether mod that adds a new vanilla friendly flesh biome
VanillaBackport: Mob Variants Compat
Compatibility for Biome We've Gone, Terralith, Nature's Spirit & Biomes O' Plenty For VanillaBackport 1.1.5+ Mob Variants
More Biomes [FORGE] - 1.21 UPDATE!
A complete modpack focusing on exploration! Discover hundreds of biomes, structures, animals and much more.
MMR - Moog's Mineshafts Reimagined
Large and complex mineshafts themed for various biomes and dimensions. Filled with loot and mobs
Exotelcraft
A large multi-feature Minecraft mod mainly adding the Exotel dimension, toggleable April Fools' snapshot content, overworld additions, craftable world map, and optional Bedrock-styled UI.
Block Factory's Biomes - Add new vanilla+ biomes
🌳 This Biomes Add-on adds 5 brand-new biomes filled with unique animals, plants, blocks, and fully custom world generation!
E.A.L Cozy Farming Pack
A modpack I made for me and my friends to enjoy a vanilla+ experience with animal, farming, and biome mods.
RPGTitles
Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..
Poisonous Potato Update
Almost all content from the April Fools' snapshot 24w14potato
Colored Dimensions!
Adds dimensions based around a color!
FrostRealm
A dimension of eternal cold....
Wayfinder
A new Immersive exploration mob that takes you to your desired biome! This mob creates a more lore & balanced way of finding biomes and offers tons of customization to tailor to player experience!
Beyond Bosses 2
This enderdragon overhaul will amaze you
PillagersPlus
This modds add new pillager types and new structures.
Dive Into the Abyss
Venture into a dark new dimension born of a fallen Ancient Civilization, uncover the deep secrets lurking beneath its shadows, and brave the Temples, the Ancient City, and its Citadel as you choose whether to resist the Corruption… or join it.
Monumental Experience - Creatures Across the World
Monumental Experience V: Creatures Across the World expands the series with Cobblemon and Aether integration, living biomes, and exploration-driven progression—creating a survival world focused on discovery and long-term building.
Tpsum
Performance optimization mod improves mob spawning, biome lookup, worldgen allocations, and task loop hot paths.
Candyverse
Sweet new dimensions, entities, decorations, blocks and food!