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Minecraft Java 1.21 Mods

Browse 55 free mods for Minecraft Java 1.21 — popular picks include Immersive Engineering, XyCraft, Mekanite Mobs.

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Immersive Engineering
1.21.1neoforge

Immersive Engineering

A retro-futuristic tech mod!

193Mdownloads
XyCraft
1.21.1neoforge

XyCraft

Sci-fi Aesthetics and Technology

23Mdownloads
Mekanite Mobs
1.21.1neoforge

Mekanite Mobs

Get ready to face futuristic creatures that combine technology and danger! Mekanism Mobs adds new mobs inspired by the high-tech world of Mekanism 🔧

153kdownloads
Project Alpha
1.21.1neoforge

Project Alpha

A Sci-Fi Mod about travelling back to Alpha Minecraft

133kdownloads
Cosmic Frontiers
1.21.1neoforge

Cosmic Frontiers

A journey lost through space and time. A Gregtech Modpack focused on sci-fi and arcane themes.

30kdownloads
Alien AGF Series
1.21.1neoforge

Alien AGF Series

A modpack that brings technology from Mekanism, space travel from Ad Astra, and Xenomorphs from Gigeresque to create a grand suspense filled adventure! Help AGF (Anomaly Glitch Foundation) find the xenomorphs to either contain them or irradicate them.

23kdownloads
Oritech Laboratory
1.21.1

Oritech Laboratory

Oritech Machines now look Scifi

22kdownloads
Mel's DeCo
1.21.4neoforge

Mel's DeCo

A furniture mod that covers various themes from classic furniture to futuristic, fantasy and more!

19kdownloads
Create: Clockware Augments
1.21.1neoforge

Create: Clockware Augments

Reject human flesh, embrace Create! An addon for Create that adds "Clockware", cybernetic implants heavily inspired by Cyberpunk 2077!

13kdownloads
Minepunk - Minecraft Cyberpunk 2077 mod
1.21.1neoforge

Minepunk - Minecraft Cyberpunk 2077 mod

Minecraft Cyberpunk2077 mod! Implants, guns, moon, ripperdocs all for your service!

8.8kdownloads
Vehicles - Futuristic Flying Cars
1.21.1neoforge

Vehicles - Futuristic Flying Cars

This Mod Adds Modern Flying Cars To The Game

6.5kdownloads
Welcome Player!
1.21.1neoforge

Welcome Player!

A mod about entertaining a digital audience, escalating tasks, unique items, and surviving a horrible game show host! All within a retro sci-fi theme!

5.8kdownloads
Psi: Tweaks and Additions
1.21.1neoforge

Psi: Tweaks and Additions

An addon for Psi, Sci-Fi magic mod by Vazkii

3.3kdownloads
Universum
1.21.1neoforge

Universum

A sci-fi tech progression modpack where classic Minecraft survival evolves into advanced machinery, dimensional exploration, rare materials, and Stargate-inspired endgame technology.

2.3kdownloads
CyberHUD
1.21.11fabric

CyberHUD

Replaces Minecraft's vanilla HUD icons with clean sci-fi/cyberpunk status bars.

2.3kdownloads
Disco Shaders
1.20

Disco Shaders

A vibrant, neon-inspired shader that transforms Minecraft into a glowing digital world. It features strong emissive lighting, grid-like highlights, and a futuristic vaporwave aesthetic that makes terrain and vegetation shine with energy.

1.8kdownloads
Core Utilities
1.21.8neoforge

Core Utilities

A futuristic tech-meets-automation mod for Minecraft, designed to expand the game’s core functionality with high-efficiency tools, modular machines, and directional logic systems.

1.7kdownloads
Othertime
1.21.1neoforge

Othertime

Adding modern, industrial, and futuristic content to Minecraft!

991downloads
Cybermon 2
1.21.1neoforge

Cybermon 2

A Cyberpunk/Cobblemon themed Modpack with a focus on technology and automation rounded up with Cobblemon instead of weaponry

882downloads
drills sci-fi series
1.21.5

drills sci-fi series

a datapack that adds drills and chainsaws for mining and chopping down trees

654downloads
CreateZone
1.20.1forge

CreateZone

CreateBlock is a vibrant world packed with complex structures, advanced mechanics, and endless creativity. Every block is filled with energy, technology, and possibilities. Build, design, and explore a futuristic universe where imagination turns into real

563downloads
Arcanetech - Trial of The Ages
1.21.1neoforge

Arcanetech - Trial of The Ages

Arcanetech is a modpack that blends ancient magic and retrofuturistic technology in a challenging progression. Explore a world where valves, gears, and arcane essences power machines and shape reality.

265downloads
more armour sci-fi series
1.21.5

more armour sci-fi series

adds armour from Star wars to minecraft

259downloads
blasters sci-fi series
1.21.5

blasters sci-fi series

datapack that adds star wars like blasters to minecraft

192downloads
Apotheosis Craft
1.21.1neoforge

Apotheosis Craft

A sci-fi mod that adds the Apotheosis Crystal, an item that rearranges and clones atoms of matter.

131downloads
Create+ 1870
1.21.1neoforge

Create+ 1870

A curated Create modpack with an 1870 aesthetic - steam, steel, rail, and early industrialisation. No futuristic tech, no magic, no modern weapons.

112downloads
The Patchwork Datapack - TARDIS
1.21.1

The Patchwork Datapack - TARDIS

The Patchwork adds content from DrWho and content that would fit at its place, timey wimey sci-fi stuff!

95downloads
Psych0se - Cyberpunk
1.21.8neoforge

Psych0se - Cyberpunk

A mod that adds elements from the cyberpunk game to minecraft

73downloads
CyberSandevistan Plugin
1.21

CyberSandevistan Plugin

What is CyberSandevistan? A premium Minecraft plugin for Purpur/Paper 1.21.1 that adds a fully customizable cyber-implant system inspired by Cyberpunk: Edgerunners. Players wear a Netherite helmet that grants superhuman abilities with stunning visual

68downloads
Plasmaware
1.21.8neoforge

Plasmaware

A science fiction mod that adds plasma tech and a new dimension waiting to be explored

33downloads
Mekanism Weaponry Mod (1.21.1, 1.20.1) – Turn Your Factory's Power Into
1.21.1neoforge

Mekanism Weaponry Mod (1.21.1, 1.20.1) – Turn Your Factory's Power Into

Mekanism Weaponry Mod adds a collection of high-tech guns designed to work with the Mekanism mod. This expansion brings powerful new ranged weapons to your world, perfect for fighting off monsters from a distance. The new firearms fit the futuristic style of Mekanism, giving you another way to use the energy you create. Features: Adds […]

Luminis Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Luminis Resource Pack (1.21.1, 1.20.1) – Texture Pack

Luminis Resource Pack is a futuristic GUI resource pack that gives Minecraft a sleek, modern interface inspired by advanced technology and fantasy aesthetics. It replaces the standard GUI with clean, stylish textures that feel both minimalistic and high-tech. The design focuses on clarity and elegance, making menus and inventory screens easier to navigate while looking […]

Armisteel Mod (1.21.1) – Industrial Themed Decoration Blocks
1.21.1fabric

Armisteel Mod (1.21.1) – Industrial Themed Decoration Blocks

Armisteel Mod introduces a collection of new industry themed building blocks into the game. These blocks come in different variants and can have multiple different build styles. From apocalyptic to cyberpunk themed builds, these blocks can cater to a wide variety of build genres. Features: Adds industrial themed blocks into the game. Includes corroded block […]

AE2 Blackout Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

AE2 Blackout Resource Pack (1.21.1, 1.20.1) – Texture Pack

AE2 Blackout Resource Pack is a sleek and stylish overhaul for Applied Energistics 2 and its addons, transforming most textures into a clean dark mode. This change gives the mod a more modern, high-tech appearance that fits perfectly in futuristic or industrial-themed builds. The darker UI and item textures reduce eye strain and offer a […]

Immersive Engineering Mod (1.21.1, 1.20.1) – Master Industrial Technology
1.21.1forge

Immersive Engineering Mod (1.21.1, 1.20.1) – Master Industrial Technology

Immersive Engineering Mod adds realistic, retro-futuristic technology to your Minecraft world. Instead of simple magic blocks, this mod introduces large, multiblock machines and visible, hanging powerlines. You can build massive structures like the Crusher to process ores or the huge Excavator to dig resources from the ground. All the information you need to get started […]

XK's Decoration Mod (1.21.1, 1.20.1) – A Generic Decoration Mod
1.21.1neoforge

XK's Decoration Mod (1.21.1, 1.20.1) – A Generic Decoration Mod

XK's Decoration Mod adds a large amount of decor to Minecraft, moreover, several themes – from Asian culture, from Western culture, and even from Mayan culture, there will also be a lot of sci-fi and industrial blocks. There are a lot of new blocks in total – in total there are more than 200 pieces, […]