The 1.12.2 Pack: Perfectly Complex
Modpackby Jon
A unique collection of over 200 mods, optimized and customized gameplay, and more!
Description

The 1.12.2 Pack offers a unique collection of mods—and in the optimal way. Your world is your own—exploring dimensions, performing magic, or building automated tech systems are all possibilities! Playing with friends or alone, it never gets boring.
Featuring a unique collection of mods such as AmbientSounds, Galacticraft, ExtraPlanets & Planet Progression, Gravitation Suite, Witchery: Resurrected, Growthcraft, ICBM, Modular Powersuits, Mystcraft, and VoxelMap, with backported swimming and many other features, on top of classics such as IC2, BuildCraft, Logistics Pipes, Twilight Forest, Thaumcraft, Thermal Expansion, AE2, and carefully selected add-ons.
This updated pack is optimized for high-performance & stability, it’s configured for balance & customized gameplay experience, and highly maintained, with frequent updates & full support.
With a unique collection of over 200 mods, in-game guides, optimized & configured gameplay, and more surprises, The 1.12.2 Pack strives to provide the best playing experience.
The modpack is also available through the Technic Platform
Technical notes:
- The recommended RAM allocation for the pack is 5GB
- Computers with only 8GB of RAM: make sure to close any other open browser or major programs while running the pack
- Other technical recommendations are provided in-game with the pack's guide-book

This project is in memory of Caleb King, who helped making it what it is today.
Compatibility
Mod Loaders
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this modpack.
Minecraft Enderman Character Plush
Enderman plush toys, and a reliable gift for a younger player.
Mini PC for Self-Hosting
A low-power box that can sit in a cupboard and run a modded server around the clock.
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Screenshots
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Controlling
Adds a search bar to the Key-Bindings menu
Bookshelf
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Iron Chests
Iron Chest mod
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The Twilight Forest
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Cooking for Blockheads
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Tinkers Construct
Modify all the things, then do it again!
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Contains various tools to make modding easier.
Default Options
Ship default options or keybinds without having to overwrite an existing options.txt.
NetherPortalFix
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MmmMmmMmmMmm (Target Dummy)
Target Dummy that show damage dealt and can be equipped with armor. Damage numbers!
Cucumber Library
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Thermal Foundation
The Foundation of a Thermally Expanding World!
Botania
An innovative natural magic themed tech mod
AmbientSounds 6
#listentonature
Torchmaster
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Chisel
A builder's best friend.
Thermal Expansion
Expanding Minecraft Thermally! A server-friendly and content-rich blend of magic and technology!
Industrial Foregoing
A collection of machines to make your minecraft builds easier to automate
Mystical Agriculture
Adds resource crops for more than 130+ vanilla & modded materials!
Ender Storage 1.8.+
linked color coded ender chests
Inventory Tweaks [1.12 only]
Tweaks to inventory handling for ease of use, including sorting and automatic replacement of broken tools or exhausted s...
Chisels & Bits - For Forge
Create endless custom decorations using in game materials.
Custom Main Menu
Allows you to modify the main menu using a simple json file
iChunUtil
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Shadowfacts' Forgelin
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KleeSlabs
Break only the half of a double slab that you're looking at.
Ender IO
Ender IO
Bad Wither No Cookie - Reloaded
Localizes the wither and dragon death sounds.
Morpheus
Sleep vote system
BdLib
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Thermal Dynamics
Thermal gets Dynamic! Adds ducts - transportation for Redstone Flux, Fluids, and Items!
Resource Loader
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ModTweaker
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Baubles
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ReAuth
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Blood Magic
An arcane art for ultimate power
Reborn Core
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Extra Utilities
Just a bunch of useful things
MTLib
Library files for Minetweaker Addons
BiblioCraft
Bookcases, armor stands, shelves and so much more!
ZeroCore 2
Utility mod and multiblock API
Akashic Tome
The Book of Books. Store every documentation book in one.
Reliquary Reincarnations
Many magical items to help you in your minecraft world
Pam's HarvestCraft
A farming mod that adds 60+ new crops, 36 new fruit trees, 17 new fish, simple beekeeping, and over 1100 new foods and i...
EnderCore
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Thermal Innovation
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Hwyla
Hwyla (Here's What You're Looking At) is a UI improvement mod aimed at providing block information directly in-game. It...
Extreme Reactors
This is a port of the Big Reactors mod by Erogenous Beef to the current Minecraft versions
Redstone Flux
Redstone Flux API - Energy Transfer in Minecraft.
Thermal Cultivation
Thermal gets Agrarian - provides options for farming and related activities!
Client Tweaks
There, I fixed Minecraft for you. Various optional tweaks to improve Minecraft Quality of Life.
CC: Tweaked
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Guide-API
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PneumaticCraft: Repressurized
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Aroma1997Core
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OpenBlocks
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OpenModsLib
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Redstone Arsenal
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JEI Integration
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Forestry
Bringing bees, butterflies and more trees. as well as eco-friendly energy production and mail to Minecraft.
WanionLib
Shared code library used by all WanionCane mods!
Tesla Core Lib
Minecraft library useful in creating power hungry machines
Ding (Forge)
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Waila Harvestability
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Thaumcraft
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Natura
Natura
IvToolkit
Versatile mod framework
UniDict
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TipTheScales
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Recurrent Complex
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MysticalLib
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Chicken Chunks 1.8.+
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Hats
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Roguelike Dungeons
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Smooth Font
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Thaumic JEI
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No Recipe Book
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Project Red - Expansion
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Culinary Construct (Forge/Fabric/Quilt)
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Blockcraftery
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JAOPCA
Just A Ore Processing Compatibility Attempt
Project Red - Exploration
Exploration module for the Project Red series
GooglyEyes
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Project Red - Compat
Redstone enthusiasts' one-stop-shop. Compatibility module for Project Red.
Open Modular Turrets
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Main Menu Scale
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Morph
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OMLib
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stimmedcow : NoMoreRecipeConflict
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Custom Starter Gear
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Compact Solars
Compact Solar mod
Project Red - Fabrication
Redstone enthusiasts' one-stop-shop. Fabrication module for Project Red.
Entity Culling
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ExtraPlanets
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Tinker's JEI
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HelpFixer
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Long Fall Boots
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Mystcraft
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Particle Culling
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MJRLegends Lib
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Funky Locomotion
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Super Sound Muffler: Revived
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Login Shield
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Enchanting Plus
Enchanting Plus
WrapUp
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Compacter
Rapidly compacts items that can be crafted in 2x2 or 3x3 pattern
Reach Fix
Fix for vanillas hit detection and the reach attribute not being used for entities.
Let Sleeping Dogs Lie (Forge)
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RenderLib
Library for entity rendering
Logistics Pipes
Logistics Pipes is an extensive overhaul of the Buildcraft pipe system. It allows for better distribution of items via p...
Numina
Various utilities
VoxelMap
Minimap and Worldmap. Have an overview of your surroundings, or view the entire world. Create waypoints.
Better Ping Display
Displays ping in milliseconds in the player list in a configurable way
MixinBooter
The Mixin Library for 1.8 - 1.12.2.
Additional Banners
A whole new range of banner patterns, to enhance your world!
Gas Conduits
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xXx_MoreToolMats_xXx (a PlusTiC fork without the evil, and apparently some new bugs idk)
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ICBM - Interconnected Block Missiles
Explosives, Missiles, and More!!!
Sound Device Options
A small mod that adds an option to switch the sound output device
Advanced Solar Panels
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Tinkers' Addons
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Just Enough Reactors
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Gendustry JEI Addon
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Schematica
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Thaumic Augmentation
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Sledgehammer
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Netherending Ores
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SerializationIsBad
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Just Enough Throwing In Fluids (JETIF)
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Default World Generator (port)
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Thaumic Periphery
An addon for Thaumcraft 6 that adds some cross-mod interaction, some baubles, and a few tweaks to existing features
Guidebook
Custom books with formatting and pictures
Featured Servers
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Gravitation Suite
Boosting IC2 Jetpacks to the next level
Pack Crash Info
Adds Information about the modpack when crashing.
Advanced Machines
Tier 2 versions of your favourite IC2 machines
Whoosh
Simple and portable teleporters.
Charset Lib
Library mod for Charset modules.
Had Enough Items
Cleanroom's JEI fork for 1.12.2 with optimizations and more features
Player Plates (Obsidian Plates)
Adds Extra Pressure plates
Just Enough Pattern Banners
Add how to make banners in JEI
Damage Tilt
Tilts camera in the direction of damage. Restored 1.2.5 feature.
AE2 Unofficial Extended Life
A Fork of a Minecraft Mod about Matter, Energy and using them to conquer the world!
CensoredASM
Make 1.12.2 great again.
Aqua Acrobatics [Forge]
Fancy swimming, elegant sneaking: modern movement without compromises in 1.12.
ChatFlow
Full control of incoming chat messages via Regex
Plethora Peripherals
Additional peripherals for ComputerCraft, allowing interactions with many modded blocks
ConfigAnytime
Allows Forge configurations to be setup at any point in time
Death Counter (Forge)
How many times did you die?
Thaumic Computers
OpenComputers addon for Thaumcraft 6
LemonLib
Libary Mod to make me not go insane when maintaining so many mod!
VintageFix
Load time and RAM use improvements for Minecraft 1.12.2
ExtraCells2 - SamLam140330's Fork
Giving you more extra cells and some other stuff for Applied Energistics 2
Minor Integrations and Additions (MIA)
Several new, usually small integrations, improvements, and additions for several mods and Minecraft itself
Mouse Tweaks Unofficial
A continuation of MouseTweaks by YaLTeR for Minecraft 1.12.2
Planet Progression
A Galacticraft addon for Planet/Moon Research Progression
Crimson Warfare
Bringing Bosses Back!
Growthcraft Community Edition
A continuation of Gwafu's Growthcraft
Roughly Enough IDs
Removes the biome, item, & block ID limits using the 1.13+ format
IC2 Crop-Breeding Plugin
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Thaumcraft Research Patcher
A Thaumcraft addon that allows adding and editing research
Zetta Industries
ZI for shorts a mod that aims to extend other mods by adding various functionalities.
Statues: Rechiseled
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Charset Crafting
Expanded crafting and new crafting!
Thaumic Energistics Extended Life
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IFPatcher
Patch some known bugs from Industrial Foregoing for 1.12.2 as it is officially EOL.
Iron Tanks
Expanding Buildcraft tanks similarly to the way IronChests expanded vanilla chests.
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New Mojang logo and loading screen in old version
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Debark logs, even modded logs!
JEI Area Fixer
fix JEI GUI to not overlap with modded GUIs
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Fixes several bugs in Extra Utilities 2 using Binary Patches.
Just Enough Recipe Integrations
Adds JEI Supports to Mods Without It
Tinkers OreDict Cache
caches all oredict smelting recipes of TConstruct to speed up game loading.
Thaumcraft Fix
Many a fix for Thaumcraft 6
IC2 Patcher
Fixes several issues in IndustrialCraft2
Advanced Machines Patcher
Patches Advanced Machines to work with newer ic2 builds
Backups
The ultimate backup mod
燐/Hesperus
Lighting optimization mod
Balkon's WeaponMod: Legacy
Throw a spear in a zombie's head! Cut a skeleton in half with your brand new halberd! Shoot some slimes in pieces with a...
AE2 Stuff Unofficial
New and improved Extensions for Applied Energistics 2
Better Invalid Session (Also works as ReAuth Addon)
Modifies the default Minecraft kick message for having an invalid session to better explain how to resolve the issue if...
Smooth Scrolling Everywhere (Forge)
Adds smooth scrolling to every list.
Binnie's Mods Patched
Various expansions for Forestry adding new bees and trees - with patches!
Space Ambient [Addon for GalactiCraft]
Space Ambient
Thaumic Tinkerer Unofficial
A mod that adds lots of things to Thaumcraft.
Charset Storage - Barrels
Simple barrels for fancy storage.
Mekanism Community Edition
Safe, stable and improved version of mekanism providing long term support for 1.7.10 & 1.12.2
Just Enough Magiculture
This mod adds a large number of Just Enough Resources integrations.
ASMC
Backports sounds to earlier Minecraft versions
Mekanism Community Edition: Generators
The generator module for mekanism community edition
MrCrayfish's Furniture Mod Rebuilt
Continuation of MrCrayfish's Furniture Mod in 1.12.2 with a lot of patches and new features for Minecraft 1.12.2, adds o...
Railway Depot Worker
Fixes issues left in old versions of Railcraft
Just Enough Drags
Adds jei drag support to item filters
Opencomputers ICBM-Classic Addon
Control ICBM-Classic machines with OpenComputers
Picture-in-Picture (PiP)
Renders other player’s Point of Views in a “Picture-in-Picture” style on the Minecraft screen when no GUI is open.
Charset Immersion
Impractical, but immersive!
ThaumTweaks
Small addon to make Thaum 6 more fair.
Galactic Computers
Integration between OpenComputers and GalactiCraft
Seared Ladder (Backport)
Backports the seared ladder from tconstruct 1.16+
Sonomagy
Thaumcraft’s iconic sounds in pristine quality.
Linking Through the Ages (LTTA)
A guidebook for Mystcraft.
Patchouli Books
An add-on to Patchouli for 1.12.2
Thaumcraft Integration
A mod that integrates Thaumcraft into other modifications that do not support it.
Mekanism Community Edition: Tools
The tools module for Mekanism Community Edition
mystcraft-info
Try moving the slider...
Gravitation Suite Patcher
Fixes several issues in Gravitation Suite
New Crimson Revelations
Discover what lies within the Crimson Cult with this Thaumcraft 6 addon!
Advanced Alchemical Furnace
A mod that brought back Adcanced Alchemial Furnace from Thaumcraft 4
Doge Mod
Adds a slew of Doge related items.
More Mystcraft
Miscellaneous additions and improvements to Mystcraft.
Jon's Exclusives
A modpack utility mod made for The X Packs
ICBM Classic: Computer Craft Addon
Computer Craft Peripheral support for ICBM-Classic
Deep Below
Explore a new structure in the oceans with absolutely not any danger inside
ThaumicWaila
Waila addon for Thaumcraft.
ReForbidden Magic
Bring some items from FM and SoM to 1.12.2
UniQ
Unify all the things.
Pages
Additional symbols/pages for Mystcraft
Myst Library
A mod to help add support for Mystcraft to other mods. Provides simple opinionated defaults, commonly reused logic, and...
Advancement Locator
Got an advancement but have no idea where it is?
Industrial Foregoing / OC Compat
Integrates OpenComputers and Industrial Foregoing
VoxelMap Fixes
Performance improvements and enhanced mod compatibility for VoxelMap
IC2X UU-Matter [Archived]
Addon for IC2-Experimental adding JEI pages for UU-Matter creation
linking-tweaks
Configurable admin controls for how Mystcraft linking works
Mystcraft / OC Integration
Adds integration between Mystcraft and OpenComputers in 1.12.2
Witchery: Companion
A Companion mod for Witchery: Resurrected, patching bugs, adding integrations and introducing modpack maker-oriented fea...
Thaumic Isorropia - Kedition
Thaumic Isorropia fork
JEI UU Assembler
JEI addon for IC2 UU Assembler and more machines