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Forge Mods for Minecraft 1.21

Browse 302 free Forge mods for Minecraft 1.21 — popular picks include The Twilight Forest, Aquaculture 2, Aquamirae [Neo/Forge Edition].

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302 mods

1.21.1fabric

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.

204Mdownloads

1.21.11neoforge

Aquaculture 2

Spices up fishing with a number of new biome specific fish, recipes, and more!

162Mdownloads

1.21.1neoforge

Aquamirae [Neo/Forge Edition]

Ship graveyard with terrible deep sea creatures!

46Mdownloads

1.21.1neoforge

Enhanced Celestials - Blood, Blue, & Harvest (Super) Moons

A mod adding new Lunar Events like blood moons and harvest moons!

44Mdownloads

1.20.1fabric

Galosphere

This mod aims to improve the underground by adding new cave biomes, mobs, ores... etc

32Mdownloads

1.21.1neoforge

Roots 4

A magic mod focused on nature, crops and animal husbandry!

28Mdownloads

1.21.4neoforge

NetherEx

NetherEx is a nether content mod.

24Mdownloads

1.21.1neoforge

Deep Aether

An addon for the original Aether mod, aiming to show the deepest lands of a forgotten paradise.

23Mdownloads

1.21.1neoforge

Environmental

Enhances the Overworld with new foliage and wildlife and introduces some simple biomes!

20Mdownloads

1.21.1neoforge

Autumnity

Introduces small autumn-themed biomes with seasonal content!

20Mdownloads

1.21neoforge

YUNG's Cave Biomes (Forge/NeoForge)

Adds new vanilla+ cave biomes and underground content!

20Mdownloads

1.21.1neoforge

Jaden's Nether Expansion

Nether Expansion is a Vanilla Friendly mod that aims to improve & add new content to every aspect of The Nether

18Mdownloads

1.20.1neoforge

Variants&Ventures

Adds multiple new mob variants seamlessly integrated into your Minecraft world.

17Mdownloads

1.21.1neoforge

Hellion's Sniffer+

A Sniffer expansion, adding new behaviors to the Sniffer, an ancient cave biome, and several new Sniffer-related plants.

12Mdownloads

1.21.1neoforge

Monster Plus

New mobs of each and every flavor to improve the exploration experience: biome-exclusive monsters, new challenges and more!

12Mdownloads

1.21.1neoforge

Illager Warship

Adds a big illager warship to the oceans

12Mdownloads

1.21.1neoforge

Voidscape

Delve into the depths of the Void

9.9Mdownloads

1.21.9forge

Spawn Balance Utility

Allow you to control spawn weights and group size of mobs by Biome and Structure. This controls the mixture of mobs that spawn, it does not modify the Spawn Cap like our other mod, "Spawncap Control Utility".

8.4Mdownloads

1.21.1neoforge

Zombie Extreme

This is a Big Mod that adds a bunch of new mechanics and a large number of zombies and infected to your minecraft world. In order to study a new biome, you need a Chemical Protective Suit, if you do not break at least one part, most of the radiation will i

8.2Mdownloads