Chroma Technology
Modpackby Gogo08
Chroma Technology is a progression modpack for playing with your favorite 1.12.2 mods
Description
Chroma Technology strives to bring a new modpack experience. Multiple craft have been changed to be able to move slowly towards the end game.
Featuring a unique collection of mods like AmbientSounds, Galacticraft and ExtraPlanets, Gravitation Suit, Modular Powersuits and more, on top of classics such as IC2, BuildCraft, Twilight Forest, AE2, and their add-ons, you have a lot to expect.
With a unique collection of over 300 mods, 1000+ quests, optimized & configured gameplay, and more surprises.Chroma Technology strives to provide the best playing experience.

• The recommended RAM allocation for the pack is 7-8GB
• Computers with only 8GB of RAM: make sure to close any other open browser or major programs while running the pack
If you're interested in hosting a server for Chroma Technology, click the image below!
Click on the picture above, select plan(at least 5GB),
use my code CHROMATECH to get 25% off your first month, and enjoy playing with your friends!


A Modpack by: Gogo08, Nolifertu, Koepss
Compatibility
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this modpack.
Mini PC for Self-Hosting
A low-power box that can sit in a cupboard and run a modded server around the clock.
Minecraft Enderman Character Plush
Enderman plush toys, and a reliable gift for a younger player.
As an Amazon Associate I earn from qualifying purchases.
Screenshots
Similar Modpacks
UniversIO
Achieve Divinity By Creating Your Own Universe Starting From Nothing
All of Fabric 6 - AOF6
The ultimate Fabric 1.19 modpack | Over 390 Mods, 1000+ Quests, Challenges & Shaders!
FoolCraft
FoolCraft is a Minecraft 1.10.2 Modpack aimed at having as much fun as freakin' possible.
Equivalent Skies
ProjectE, but no OP. An expert skyblock pack based on ProjectE. Yes, you read that right
Elite Trainer Cobblemon - Master Multiverse
🔥 Welcome to Elite Trainer Cobblemon - Master Multiverse. Cobblemon.gg is your premier destination for an unparalleled...
Modern Skyblock 2
Without Ex Nihilo | 5 Pack Modes | 200+ Mods | 880+ Quests | for MC 1.12.x
Contained Mods (302)
/dank/null
An item inspired by the OpenBlocks /dev/null
Actually Additions
Fan-favorite magitech mod full of fun and useful gadgets
Additional Structures
Adds > 250 new structures that integrate perfectly into your world!
Advanced Generators
Freeform Multiblock generators that produce MJ, RF and EU
Advanced Machines
Tier 2 versions of your favourite IC2 machines
Advanced Solar Panels
Adds additional upgraded forms of the IC2 Solar Panel
AE2 Stuff
Various Extensions for Applied Energistics 2
AE2 Wireless Terminal Library
A library for AE2 addon wireless terminal which simplifies integration and adds infinite range capabilities
Akashic Tome
The Book of Books. Store every documentation book in one.
Alchemistry
Manipulation of chemical elements, inspired by Minechem
AlchemyLib
AlchemyLib contains shared code for machines and screens. It's used by Alchemistry and other mods.
AmbientSounds 6
#listentonature
AppleCore
An API for modifying the food and hunger mechanics of Minecraft
AppleSkin
Adds some useful information about food/hunger to the HUD
Applied Energistics 2
A Mod about Matter, Energy and using them to conquer the world..
ArchitectureCraft - TridentMC Version
Distinguished architectural features for your Minecraft buildings. Ported to 1.12
Armor Toughness Bar
Small mod that adds a toughness bar
ArmorPlus
ArmorPlus adds new armor sets, tools, weapons, building blocks, and progression content to enhance your Minecraft advent...
Aroma1997Core
This is a mod required by most of my other mods, so you should install it, if you want to run any other of my mods.
Aroma1997s Dimensional World
One world for mining
Astral Sorcery
Magic mod that uses the power of stars and constellations
AtomicStryker's Infernal Mobs
Diablo Style Modifiers
Auto Ore Dictionary Converter
Automatically converts items to their configured ore dictionary counterparts
AutoRegLib
A library to ease menial tasks in mod development.
B.A.S.E
Main Library for The Acronym Coders Mod Projects
Backpacks
Provides the player with multiple, colorable backpacks
Bad Wither No Cookie - Reloaded
Localizes the wither and dragon death sounds.
Baubles
An addon module and API for Thaumcraft
BdLib
A library of generic code for my other mods
Better Builder's Wands
An attempt to make a nicer-to-use builder's wand
BetterFps
Performance Improvements
BiblioCraft
Bookcases, armor stands, shelves and so much more!
Binnie's Mods
Various expansions for Forestry adding new bees and trees
Biome Staff
A mod inspired by Biome Wand from MC 1.7.10
Biomes O' Plenty
Adds 50+ unique biomes to enhance your world, with new trees, flowers, and more!
Block Drops (JEI Addon)
An Addon for JEI that shows the drops of a block.
Blockcraftery
Customizable building blocks!
Blood Magic
An arcane art for ultimate power
Bonsai Trees 4
Grow small trees!
Bookshelf
An open source library for other mods!
Born in a Barn
Fixed a Village ChunkLoading Issue
Botania
An innovative natural magic themed tech mod
Botanic Additions
Implementing handy features for Botania!
Botanic Bonsai
This mods adds Botanic Bonsai Tree Pots that accept mana to boost growth
Brandon's Core
This is the core mod that will be used by most of my mods from now on
bspkrsCore Updated
This is an updated bspkrsCore mod for newer versions of MC (1.8.9 - 1.12.2)
Buildcraft
Extending Minecraft with pipes, auto-crafting, quarries, engines and much more!
Building Gadgets
A collection of Gadgets to make building large structures a little bit easier!
Career Bees
Professional working bees, just trying to make a living.
CB Multipart
An opensource library for having multiple things in the one block space
CC: Tweaked
CC: Tweaked is a fork of ComputerCraft, adding programmable computers, turtles and more to Minecraft.
Chameleon
A shared code and render library.
Champions
Creates elite mobs of different rarities, with enhanced stats and extra abilities.
Chisel
A builder's best friend.
Chisels & Bits - For Forge
Create endless custom decorations using in game materials.
Chunk-Pregenerator
Pre Generate your worlds Efficiently
Clumps
Clumps XP orbs together to reduce lag
CodeChicken Lib 1.8.+
Contains various tools to make modding easier.
CoFH Core
Contains Core Functionality for all Team CoFH mods. Also does some really cool stuff on its own!
CoFH World
Customizable and powerful world generation!
Comforts
Adds sleeping bags and hammocks for, respectively, portability and turning day to night, without setting new spawns. Com...
Compact Drawers
A Storage Drawers extension
Compact Machines
Adds one simple game mechanic: Small rooms inside of blocks. It basically gives you the ability to build your contraptio...
Compact Void Miners
Collects ores and fluids from the void
Compacter
Rapidly compacts items that can be crafted in 2x2 or 3x3 pattern
ConnectedTexturesMod
A resource pack extension library
ContentTweaker
Allows you to add Items and Blocks
Controlling
Adds a search bar to the Key-Bindings menu
Cooking for Blockheads
Adds a multiblock kitchen that shows recipes you can make with what ingredients you have available.
Corail Tombstone
Keeps safe your inventory items in graves on death with many features for better survivability and exploration, in a med...
Cosmetic Armor Reworked
This mod allows you to wear two sets of armor, one for display, one for function.
Crafting Tweaks
Allows you to rotate, balance or clear crafting grids by the press of a button.
CraftTweaker
CraftTweaker allows modpacks and servers to customize the game. With CraftTweaker you can change recipes, script events,...
CreativeCore
a core mod
Cucumber Library
A library of shared code and functionality used by my mods.
Culinary Construct (Forge/Fabric/Quilt)
Make custom sandwiches or bowls/stews out of your favorite food items! And maybe your not so favorite. Anything's possib...
Custom Main Menu
Allows you to modify the main menu using a simple json file
Cyclic
Tools, Machines, Gear, potions, villagers, fully configurable
Dark Utilities
Expansive content mod which adds a little bit of everything.
Deep Mob Learning
Server friendly mob loot acquisition.
Deep Mob Learning - Blood Magic Addon
BloodMagic addon for Deep Mob Learning.
Deep Resonance
Deep Resonance is a power generation mod for Minecraft
Default Options
Ship default options or keybinds without having to overwrite an existing options.txt.
Default World Generator (port)
Change the Default World Generator for both clients and servers!
Diet Hoppers
Tightens the selection box of the hopper to allow you to access visible blocks behind them.
Ding (Forge)
Plays a configurable sound when Minecraft loads and reaches the Main Menu, connects to a server or finishes reloading re...
DiscordCraft
Discord Rich Presence for Minecraft
Draconic Additions
Adds various DE items to help with your mid-game and post-end-game without being OP. Fully configurable.
Draconic Evolution
Draconic Evolution is a mod that adds some extremely expensive high tier items to the game.
Dynamic Surroundings
Alters the fabric of Minecraft experience by weaving a tapestry of sound and visual effects
ElecCore
Shared code for Forge mods
Emojicord
Discord Emojis in Minecraft
Enchanting Plus
Enchanting Plus
Enchantment Descriptions
Adds in-game descriptions for enchantments to tooltips.
Ender IO
Ender IO
Ender IO Endergy
Balanced because it takes effort to install
Ender IO Zoo
Mob addon for Ender IO
Ender Storage 1.8.+
linked color coded ender chests
Ender Tweaker
EnderIO + CraftTweaker
Ender Utilities
Miscellaneous utility items and blocks, many are inventory or storage related.
EnderCore
Library mod for Ender* projects and others
Energy Converters
Convert freely between different energy systems
Environmental Tech
A Tech mod filled with lots of multiblock machines. All machines run off or generate RF/Forge Energy.
Extended Crafting
Adds some new ways to craft items, as well as extra crafting items and utilities.
Extra CPUs
A mod to give you more Crafting Storages for Applied Energistics 2.
Extra Utilities
Just a bunch of useful things
ExtraCells2
AE Addon
ExtraPlanets
An advanced Galacticraft Addon
Extreme Reactors
This is a port of the Big Reactors mod by Erogenous Beef to the current Minecraft versions
Farming for Blockheads
Adds a customizable market, shipping bin, sprinklers and more farming utilities.
Fast Leaf Decay
Makes leaves decay faster when a tree is cut down.
Flux Networks
Wireless Energy Networks, compatible with FE/EU/RF/TESLA/AE
FoamFix
Simple, targetted optimizations for a popular block game
Forestry
Bringing bees, butterflies and more trees. as well as eco-friendly energy production and mail to Minecraft.
FTB Backups (Forge)
Configurable backups mod made by FTB
FTB Library (Forge) (Legacy)
FTB Library is a library mod that is used for some of our mods.
FTB Money (Forge)
Adds money, shops and trading
FTB Quests (NeoForge)
Questing Mod by FTB
FTB Utilities (Forge)
FTB Utilities is a mod by FTB. It aims to provide several useful utilities within the FTB Platform ranging from friends...
Funky Locomotion
Every block in the groove
Gendustry
Adds industrial apiaries, advanced genetic manipulation and mutation (Forestry addon)
Gendustry JEI Addon
Integrates Gendustry recipes with JEI
GooglyEyes
Googly eyes with googly physics for every Vanilla Minecraft mob!
Gravitation Suite
Boosting IC2 Jetpacks to the next level
Guide-API
Simple library mod for in-game guide creation
GunpowderLib
A support library for Jackyy's mods.
HammerLib
Library used by all of DragonForge team's mods.
Hats
Runner-up of the 1st ModJam, adds unlockable hats onto players and mobs
HelpFixer
Fixes the /help command
Hunting Dimension
Adds a dimension for hunting mobs.
iChunUtil
Shared library used by iChun's mods
Immersive Cables
A spiritual successor of Immersive Integration, adding wires for Applied Energistics and Refined Storage
Immersive Engineering
A retro-futuristic tech mod!
Immersive Petroleum
Adds oil and oil processing to Immersive Engineering
Immersive Railroading
A life size rail transport system for Minecraft
Immersive Tech
More technology for Immersive Engineering
Industrial Craft
A versatile, feature rich tech mod for Minecraft, initially released 2011.
Industrial Foregoing
A collection of machines to make your minecraft builds easier to automate
Integration Foregoing
The official addon for Industrial Foregoing that adds mods compatibility!
Inventory Tweaks [1.12 only]
Tweaks to inventory handling for ease of use, including sorting and automatic replacement of broken tools or exhausted s...
Iron Chests
Iron Chest mod
It's the little things
Enable changing of the minecraft icon, title, and adds other little options. Allows adding a dedicated server to the mod...
Item Filters
Item Filters is a library mod that is used by mods like FTB Quests. It adds several filter items that let you precisely...
IvToolkit
Versatile mod framework
JAOPCA
Just A Ore Processing Compatibility Attempt
JEI Bees
Adds JEI recipes that show breeding and products from Forestry bees, trees and butterflies.
JEI Integration
Providing Integrations & Tooltips - Forge 1.10+
JourneyMap
Real-time map used for mapping in-game or your browser as you explore.
Just Enough Energistics (JEE)
Adds proper JEI integration for the AE2 Pattern Terminal
Just Enough HarvestCraft (JEHC)
Just Enough Items (JEI) integration for Pam's HarvestCraft.
Just Enough Items (JEI)
View Items and Recipes
Just Enough Reactors
A JEI addon for Extreme Reactors
Just Enough Resources (JER)
A JEI addon that adds mob drops, ore gen, ..
Just Enough Throwing In Fluids (JETIF)
JEI support for throwing items in fluid.
KleeSlabs
Break only the half of a double slab that you're looking at.
LagGoggles
A minecraft forge mod which profiles and visualises lag in the world.
LemonLib
Libary Mod to make me not go insane when maintaining so many mod!
Lods of Emone
Adds consumable coin items that give you FTB Money currency.
Login Shield
Protects players from damage when client lags on server connect
Long Fall Boots
Remember those white boots from that one game?
LootTweaker
A CraftTweaker addon that allows loot tables to be edited with ZenScript
LunatriusCore
A (small) compilation of utility classes used in Lunatrius' mods.
Magic Bees
Adds more Bee species to Forestry; provides some integration with Thaumcraft and other mods.
Main Menu Scale
A mod that forces the main menu to have a constant gui scale
MalisisCore
Framework over Forge.
MalisisDoors
New animations for doors. You can build you own doors with millions of possibilities!
Mantle
Shared code for Forge mods
MattDahEpic Core (MDECore)
Common code for all MattDahEpic mods. Adds helpful commands too.
McJtyLib
Companion mod for all mods by McJty (RFTools, XNet, Deep Resonance, Not Enough Wands, SignTastic, ...))
MCMultiPart
A universal multipart API for modern Minecraft
ME Capability Adapter
Adds capability adapter blocks for AE2.
Mekanism
High-tech machinery, powerful energy generation, fancy gadgets and more. Now on Curse!
Mekanism Generators
Advanced energy generation for Mekanism.
Mekanism Tools
Powerful tools and armor for Mekanism.
MJRLegends Lib
A library of generic code for my other mods
MmmMmmMmmMmm (Target Dummy)
Target Dummy that show damage dealt and can be equipped with armor. Damage numbers!
Mob Grinding Utils
A Mod that adds fun ways to make mob farms
Mod Name Tooltip
Minecraft mod that shows an ItemStack's mod name on its tooltip.
Modpack Configuration Checker
A mod that allows modpack creators to display modpack credits and verify the modpack has been setup correctly.
Modular Powersuits
High-tech expandable armor and tool/weapon
Modular Routers
Flexible item transport using router blocks and pluggable modules
More Bees
Adds More Bees to Forestry
More Overlays
Brings back the NEI Overlays
Morph-o-Tool
The Wrench to end all Wrenches.
Morpheus
Sleep vote system
Mouse Tweaks
Enhances inventory management by adding various functions to the mouse buttons.
MrCrayfish's Furniture Mod (Legacy)
Adds over 80 unique pieces of furniture into Minecraft!
MrTJPCore
Miscellaneous utilities for all my mods
MystAgrad Cloche Compat
A simple mod to add support for tier 6 seeds in the Immersive Engineering gardening cloche.
Mystical Agradditions
Adds tier 6 crops, Tinkers' support, Paxels and more to Mystical Agriculture!
Mystical Agriculture
Adds resource crops for more than 130+ vanilla & modded materials!
MysticalLib
Structure spawning utilities, code-based block and item models, and other nice utilities!
Netherending Ores
Vanilla and Modded Ores in the Nether/End
NetherPortalFix
Ensures correct destinations when traveling back and forth through Nether Portals in Multiplayer.
No Recipe Book
Removes the Recipe Book button from the player inventory and crafting table GUI.
NotEnoughIDs
Extends hardcoded block id limit
NuclearCraft
Brings complex nuclear engineering to Minecraft!
Numina
Various utilities
OpenBlocks
Random collection of blocks. Some of which aren't blocks at all.
OpenComputers
Modular, persistent, programmable computers and robots.
OpenEye
Telemetry and crash collection
OpenModsLib
Common base used by OpenBlocks and OpenPeripheral
Ore Excavation
A lightweight veinminer alternative
OreLib
Support library for OreCruncher's mods
Overloaded
Server Friendly Endgame Tech Items/Blocks
p455w0rd's Library
Lib Mod to consolidate common functionality used across p455w0rd's Mods
Pack Crash Info
Adds Information about the modpack when crashing.
PackagedAuto
Enhancing Autocrafting with Packages
PackagedExCrafting
Extended Crafting Autocrafting with PackagedAuto
Pam's BrewCraft
This is an official add-on for Pam's HarvestCraft that adds alcohol brewing using the Distiller along with a new hops cr...
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...
Patchouli
Accessible, Data-Driven, Dependency-Free Documentation for Minecraft Modders and Pack Makers
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.
Placebo
A library mod
Planet Progression
A Galacticraft addon for Planet/Moon Research Progression
Player Plates (Obsidian Plates)
Adds Extra Pressure plates
Plethora Peripherals
Additional peripherals for ComputerCraft, allowing interactions with many modded blocks
PneumaticCraft: Repressurized
Doing cool stuff with pressurized air
Portal Gun
This mod adds the Portal Gun, as well as several other portal-related aspects, to Minecraft!
Project Intelligence
Project Intelligence DOCUMENT ALL THE THINGS!!!!
Quark
A Quark is a very small thing. This mod is a collection of small things that improve the vanilla minecraft experience.
Random Things
Random Things adds various miscellaneous items and blocks to minecraft
RandomPatches (Forge)
A bunch of miscellaneous patches for Minecraft, including configurable connection timeouts, player speed limits and othe...
ReAuth
Fixes the Problem of having to restart your Client when your Session invalidates
Reborn Core
Powering Team Reborn
Recurrent Complex
Adds a ton more structure generation, dungeons, and randomized loot - Fully customizable
Redstone Arsenal
Behold the Redstone (Flux) Revolution - adds a set of RF-Powered Armor and Tools to make your adventuring Fluxtastic!
Redstone Flux
Redstone Flux API - Energy Transfer in Minecraft.
Redstone Repository Revolved
An addon to Redstone Arsenal
Reliquary Reincarnations
Many magical items to help you in your minecraft world
Resource Loader
A small mod that allows users to add their own resources to minecraft without making a resource pack
RFTools
RFTools, blocks and items to help with Redflux (dimension builder, crafter, monitor, scanner, ...)
RFTools Control
Automation and logic computer addon for RFTools
RFTools Dimensions
This is an addon mod for RFTools which handles creation of dimensions
Roguelike Dungeons
Randomized dungeons, loot and spawners
Schematica
Display ghost structures and export parts of your world, all inside Minecraft!
Security Craft
Adds plenty of blocks and items to defend and secure your base with.
Shadowfacts' Forgelin
My fork of Emberwalker's Forgelin, with some sprinkles on top.
Simple Storage Network
A simplified port of the original Storage Network
Simply Jetpacks 2
RF powered, tier based Jetpacks
Smooth Font
Draws all font smoothly for better readability and can replace to fonts in your computer.
Solar Flux Additions
Stick solar panels to your helmets!
Solar Flux Reborn
Adding solar panels into Minecraft. A reborn of Solar Flux mod.
Sonar Core
Sonar's Modding Framework
Spice of Life: Carrot Edition
A mod based around food that rewards the player instead of punishing them for discovering new foods!
SplashAnimation
Play an animation splash as modpack starts loading
Statues: Rechiseled
Allows you to create statues in your (or someone else's) image
Steve's Carts Reborn
Continuation of the original custom minecart mod
stimmedcow : NoMoreRecipeConflict
Switch between conflicting craft recipes
Storage Drawers
Interactive compartment storage for your workshops.
Storage Drawers Extras
A unified wood styles addon pack for Storage Drawers
Super Factory Manager ( SFM )
A supercharged logistic mod for high precision, high throughput resource movement
Super Sound Muffler: Revived
Revival of the 1.12 Super Sound Muffler mod!
SwingThroughGrass
Kill mobs and players through grass
Tech Reborn
Tech Reborn is a completely standalone tech mod including tools and machines to gather resources, process materials, and...
Tesla Core Lib
Minecraft library useful in creating power hungry machines
Thaumcraft
Thaumaturgy is the capability of a magician to work miracles. This is what this mod is all about - drawing magic from ph...
Thaumcraft 6 Aspects for JEI
Search items by Aspect in TC6
Thaumic Energistics
Essentia management in storage, transportation, and application
Thaumic JEI
A JEI addon for thaumcraft 6
Thaumic Terminal
Compatibility AE & Thaumcraft
Thaumic Tinkerer
Tinkerering with Thaumic Creations!
The Aether
The Aether Team presents: The original Aether mod!
The Beneath
A Deep Dark alternative, highly configurable and evil.
The One Probe
More immersive alternative for WAILA
The Twilight Forest
A realm basked in mystery and eerie twilight, you will overpower terrifying creatures and secure the adventure of a life...
TheDragonLib
A library for most of sokratis12GR's Mods
Thermal Cultivation
Thermal gets Agrarian - provides options for farming and related activities!
Thermal Dynamics
Thermal gets Dynamic! Adds ducts - transportation for Redstone Flux, Fluids, and Items!
Thermal Expansion
Expanding Minecraft Thermally! A server-friendly and content-rich blend of magic and technology!
Thermal Foundation
The Foundation of a Thermally Expanding World!
Thermal Innovation
Thermal Technology marches on. Adds Thermal-style tools and equipment!
TickCentral
A future proof coremod for control over in-game ticking
Tinker's JEI
Adds a JEI Tab to look at material stats from TConstruct
Tinkers Construct
Modify all the things, then do it again!
Tinkers' Addons
Adding Back old TiCon Modifiers to Tinkers' Construct 2
Tinkers' Tool Leveling
Use tools. Get modifiers.
TipTheScales
Allows for more options when adjusting the GUIScale option as well as making it a slider.
Toast Control
Control toasts, those popups in the corner!
Torchmaster
Adds a special torch which prevents mob spawning in a configurable radius
Track API
A compatibility layer for train mods
Translocators 1.8.+
A fancy way to move stuff.
Tumbleweed
Tumbling tumbleweeds in Minecraft!
UniDict
a mod to unify all ingots/ores/etc; with: AE2, Immersive Engineering, Mekanism, IC2, Thermal Expansion, and a lot more I...
Universal Mod Core
Core Library for version agnostic Minecraft Mods
Unloader
Unloader is a small utility mod that unloads dimensions that aren't in use.
ValkyrieLib
Library for all of ValkyrieofNight's Mods
VanillaFix
Keep playing after a crash | Increase your FPS by up to 3x
WanionLib
Shared code library used by all WanionCane mods!
Waystones
Teleport from waystone to waystone or craft magical scrolls to warp.
Whoosh
Simple and portable teleporters.
Wireless Crafting Terminal
An addon for Applied Energistics 2 that adds a wireless version of the Crafting Terminal
Wireless Redstone CBE
Transmits Redstone signals wirelessly
World Control
Monitor your world!
Worley's Caves
A complete cave generation overhaul with Worley noise
WrapUp
A simple library to wrap up initialization stages.
XNet
XNet is a highly optimized networking cable system for items, energy, fluids, information, ...
Xtones
The "official" successor to Ztones
xXx_MoreToolMats_xXx (a PlusTiC fork without the evil, and apparently some new bugs idk)
Minecraft mod for adding new tools to and integrating various mods with Tinkers Construct
YABBA
Yet Another Better Barrel Attempt
YNot
Cross-mod compatibility for XNet? YNot!
ZeroCore 2
Utility mod and multiblock API






