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Forge Mods for Minecraft 1.21

Browse 20 free Forge mods for Minecraft 1.21 — popular picks include Hellion's Sniffer+, Zombie Variants - 15 New Zombies!, Mooshroom Tweaks.

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Hellion's Sniffer+
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
Zombie Variants - 15 New Zombies!
1.21.8neoforge

Zombie Variants - 15 New Zombies!

Add 15 variants of zombies that can appear in different biomes!

2.2Mdownloads
Mooshroom Tweaks
1.21.11fabric

Mooshroom Tweaks

🐮🍄 Allows both red and brown mooshrooms to spawn naturally in their biome.

1.8Mdownloads
Myths of The Sea - Mythology Mobs!
1.21.1neoforge

Myths of The Sea - Mythology Mobs!

Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!

854kdownloads
Aquatic Creepers
1.21fabric

Aquatic Creepers

New creepers that can appear in the oceans! Discover the new items and increase the difficulty of the ocean.

608kdownloads
NukaCraft: Fallout Mod
1.21.1neoforge

NukaCraft: Fallout Mod

Mod based on Fallout universe

503kdownloads
More Powerful Game Rules
1.21.1neoforge

More Powerful Game Rules

49 new custom /gamerules to add or disable features: ie, hunger, trading, ice, gravity, mobs, damage, griefing, crops

173kdownloads
Ghast Aircraft
1.21.1neoforge

Ghast Aircraft

Spooky Air Balloon

127kdownloads
Block Factory's Biomes - Add new vanilla+ biomes
1.20.1forge

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!

107kdownloads
Ecliptic Seasons - Let's Do
1.20.1forge

Ecliptic Seasons - Let's Do

This addon bridges Ecliptic Seasons with the Let’s Do series, ensuring crops, animals, and landscapes fully adapt to the seasonal cycle.

77kdownloads
DragN's 'Just Bettas'
1.21.1forge

DragN's 'Just Bettas'

Betta fish and decorative, customizable aquariums... Without the other stuff!

31kdownloads
Returning from the Cenozoic
1.20.1forge

Returning from the Cenozoic

Creatures of the Cenozoic close to the vanilla style

7.8kdownloads
Spicy Species
1.21.1neoforge

Spicy Species

Adds new foods, nature, mobs and enhances other mods

7.6kdownloads
Galaxy Under Chaos - A Star Wars Experience
1.20.1forge

Galaxy Under Chaos - A Star Wars Experience

"Galaxy Under Chaos" is a Minecraft Star Wars mod where players explore a galaxy in turmoil. Discover unique planets and powerful technology. Customize lightsabers, face new mobs, and navigate an ever-changing universe full of chaos and mystery.

4.5kdownloads
Better Caravans
1.19.2forge

Better Caravans

Dynamic traveling caravans with biome-aware animals, custom trades, lootable chests, and defendable mini-raids. Fully configurable!

3.7kdownloads
Rhyme PVZ
1.21.1neoforge

Rhyme PVZ

This is an impressive PVZ module which will include most of the plants and zombies from PVZ 1 and PVZ 2, with new mechanics and gameplay.

2.8kdownloads
Mijoma's Additional Additions
1.21.5forge

Mijoma's Additional Additions

New biomes, new structures, new mobs, AND new technology! Along with revamping vanilla minecraft elements, this modpack also adds new enemies, interdimensional travel, engineering and tinkering, and even magic!

2.8kdownloads
The Lavender Update
1.20.1forge

The Lavender Update

A Medium Sized Mod that adds a whole new Biome with Plenty of things to do ...

2.6kdownloads
The Sad Screamer
1.21.8neoforge

The Sad Screamer

The Sad Screamer is a horror mod that is chasing you stalks you and scares you WARNING be aware that the mod is on BETA

620downloads
Ark
1.21.1neoforge

Ark

An ARK-inspired survival modpack for Minecraft. Explore a dangerous world full of dinosaurs, prehistoric creatures, fossils, technology, and adventure inspired by ARK: Survival Evolved. Survive, evolve, and conquer nature.

6.9kdownloads