Minecraft Java 1.21 Mods

Browse 22 free mods for Minecraft Java 1.21 — popular picks include FTB Skies 2, OneBlock 1.21.11 (Mounts of Mayhem), Trims Overhaul [Limitless].

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22 mods

1.21.1neoforge

FTB Skies 2

Our skyblock experience built for Minecraft 1.21.1 with a focus on rewarding gameplay, custom mechanics, and player-driven progression!

545kdownloads

1.21.11

OneBlock 1.21.11 (Mounts of Mayhem)

Since 2022 | OneBlock is a adventure map with alot of Fun. | 1.21.11 | Mounts of Mayhem is Live! | [Continuation of IJAMinecraft's Oneblock!] | {This is a Datapack of OneBlock Reborn Map.}

229kdownloads

1.20fabric

Trims Overhaul [Limitless]

Grants every trim a unique set of powers, optionally through quests.

72kdownloads

1.21.1neoforge

Industrial Odyssey

🔧 Industrial Odyssey is a private 1.20.1 modpack combining technology, exploration, and combat. Featuring Create for mechanical automation and Tacz for tactical gunplay, it also includes a custom economy system designed for multiplayer gameplay. Build, fi

11kdownloads

1.21.1neoforge

Create Echoes of the Great Derailment

Rebuild the Machine Age after the Great Derailment in a steampunk Create modpack with quests, staged progression, automation, colonies, bosses, exploration, custom mechanics, powerful machines, and a world full of secrets.

5.1kdownloads

1.21.1neoforge

The Rise of Newstone Hollow

Robots have come and stripped the ores from the land, causing the villagers to flee. Can you rebuild the world and bring the villagers back?

5.0kdownloads

1.21.1neoforge

Manifestation of the souls

Manifest your soul as a stand, kill bosses, follow quest lines and find structures

4.4kdownloads

1.21.1neoforge

Tensura: Luminous

Tensura: Luminous is a custom modpack designed for the revival of the Tensura Minecraft server. This pack enhances gameplay by adding magic, exploration, and adventurous mods. Introducing features tailored towards the server's world and mechanics,

2.7kdownloads

1.21.1neoforge

Technology Valley

Unusual Technology modpack with Magic & RPG, also with Custom mechanics, many Quests & Changed recipes!

2.4kdownloads

1.21.1neoforge

Diary of an 8-Bit Warrior

Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…

2.0kdownloads

1.21.1neoforge

Crafterria: Genes & Gears

A chill, exploration-meets-engineering modpack combining Cobblemon genetics with Create's mechanical ingenuity in a chill world.

1.5kdownloads

1.21.1neoforge

Cobblemon - Mechanical Legends

Mechanical Legends includes Create/Create Aeronautics, all 1025 Pokémon, a currency-based economy, challenging quests, and many unique features for a deep Cobblemon experience.

1.1kdownloads

1.21.1neoforge

Elexir [CSD]

Step into ELEXIR - This modpack is magic, automation and adventure. Here you can explore the world as well as magic or mechanisms to make life easier. Ancient artifacts, bosses other worlds are created for gameplay variety

764downloads

1.21.1neoforge

Arcforge

Arcforge is a bold modpack blending magic and mechanics, ancient and advanced. Whether mastering magic, engineering redstone, exploring new dimensions, or building grand cities—Arcforge gives you the tools to forge your path.

579downloads

1.21.8neoforge

Eternal Quests: RPG Overhaul

Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!

510downloads

1.21.1neoforge

Craft and Furious

This modpack is based on industry and mechanization. Build the industrial city of tomorrow!

509downloads

1.21.1neoforge

Scoobyland - Create and Friends

Discover a lightweight, multiplayer-optimized modpack that supercharges your vanilla Minecraft into vanilla+++ experience! Dive into Create’s innovative mechanics, explore vibrant new biomes, and savor Farmer’s Delight for a fresh adventure.

500downloads

1.21.1neoforge

HanKkk's Enhanced Experience - HEE

HanKkk's Enhanced Experience: A finely curated modpack that boosts performance, enhances visuals, and enriches your Minecraft adventure with new structures, improved mechanics, and seamless quality-of-life mods. A complete upgrade of your Minecraft World!

318downloads

1.21fabric

Void Vanguards

🛰️ ModJam 2025: A lore filled quest mod about conflict between The Vanguard and Voidborn.

224downloads

1.21.1fabric

Onechunk Odyssey

Onechunk Odyssey starts you in a single playable chunk surrounded by void. Complete quests, earn Chunk Expanders, and choose where your world grows next.

117downloads

1.21.1neoforge

Create Above & Beyond Horizons

Create: Above & Beyond Horizons is a Create-focused aeronautics modpack built around automation, engineering, aviation, and large-scale industrial progression. Build factories, master flight, and expand your mechanical empire beyond the clouds.

1.2kdownloads

1.21.1fabric

What If...

Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.

1.0kdownloads