Forge Mods for Minecraft 1.21
Browse 103 free Forge mods for Minecraft 1.21 — popular picks include Savage Ender Dragon, Raided, [Let's Do] HerbalBrews.
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Savage Ender Dragon
Overhauled ender dragon fight with new mechanics
Raided
Expands upon the vanilla raid system to allow for more advanced raid mechanics
[Let's Do] HerbalBrews
Herbal Brews adds immersive tea and coffee mechanics to Minecraft, introducing plant gathering, leaf drying, brewing systems, and cozy decorative elements for a calm, atmospheric experience.
V-Tweaks
Adding New Mechanics without New Items!
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
EpicFight-Nightfall
An Epic Fight add-on featuring original, handcrafted action assets and unique combat mechanics.
Iron's Rpg Tweaks
RPG-Inspired gameplay mechanic tweaks for combat, XP, durability, hunger, and more!
Insane's Survival Overhaul (aka IguanaTweaks Reborn)
Overhaul survival with many changes to existing mechanics. Weapon rebalance, enchanting rework, and much more
Campfire Spawn and Tweaks
🔥 Respawn interdimensionally with short fire resistance inside a preferred campfire with altered block mechanics. Place unlit, lighting it will create a home camp spawn point. Remove waterlogging.
Shield Mechanics
Revamp your defense with customizable shields, passive protection, and new enchantments to enhance your tactical blocking and combat strategies
Armageddon
A highly configurable overhaul of Minecraft's way of progressing through the game : bosses, RPG-like, new mechanics, multiplayer compatibility, weapons, ores... !
Jousting
Adds lances and jousting mechanics
Shingeki no Craft | Attack on Titan
Titan Shifters, ODM, Cannons, Pure Titans, Thunder Spears, Modified Villages, Firearms, Royal Blood, Quests and more! Made using only Command Blocks, Minecraft Vanilla!
Shields+
Changing shields mechanics and adding more shields and enchantments
Create: Mechanical Companion
Get ready to explore the world with a mechanical friend! Equippable with new modules that integrate with the classic Create experience!
Majo's Spell Enchantment
Add new enchantments for Iron's Spells 'n Spellbooks, which interact with spells, mana, and casting mechanics.
Sword Blocking Mechanics
Sword blocking is back! Exactly like it used to be, or different? Your choice!
BodyHygiene
A Minecraft mod that implements a personal hygiene mechanic for players
Zombie Nightmare Expansions - Undead Horror Monsters
Adds various creepy undead entities with unique mechanics and intricate designs
Better Respawn
This mod adds a mechanic that lets you respawn near your death location.
Bareback Horse Riding
🐎 Allows riding horses without a saddle with tweaked game mechanics.
Hundred Years Warfare
NPC-based combat and production gameplay, multiple control methods including RTS mode, special compatibility and integration with various mods, with future plans to expand into structures, management, RPG mechanics, and more.
Hospitals - Medical Blocks & Items
A hospital & medical mod featuring realistic blood mechanics, pills, doctors and nurses, and 150+ hospital blocks
Stronger Skill Tree
A skill tree mod with the opportunity to choose your own path and become very strong needs pufferfish's skills
Eggs - Cobblemon Addon
In these eggs you can find some common, rare or shiny cobblemon
Overgrown's Origins: Dietary Delights
A pack that adds compatibility between the Origins mod and a wide variety of food items from other mods.
Cobblemon More Level Up Moves
Buffs Cobblemons by adding more level up moves, does not change type,abilities,or stats of the cobblemon
Random Fishing Crates
Adds a chance to fish up crates when fishing! Crates loot depends on the "Rarity" of the crate, from Common to Mythic!
RPG skill tree
RPG skill tree for pufferfish's skills 8 classes included
Trims Overhaul [Limitless]
Grants every trim a unique set of powers, optionally through quests.
Adventure Mode Tweaks
🏰 Various Adventure Mode mechanic improvements! Paintings, Item Frames, Minecarts, Boats and more.

Unoriginal
A simple datapack that removes all base origins added by the Origins mod
Anointed Items
Adds a mechanic to add attributes to gear! (maxhealth, attack speed, and more!)
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..
Jaam's Weaponry
Expand your arsenal with new weapons and unique combat mechanics.
Ultrakill Mechanics
MANKIND IS DEAD. BLOOD IS FUEL. HELL IS EMPTY. THE NETHER IS FULL.