"Sky Factory Challenges is the most intense FTB experience so far."
Welcome to Sky Factory Challenges, the first official FTB map since FTB Insanity. Built from the ground up with the speedrunning community in mind, Sky Factory Challenges is designed to allow people to experience the core Sky Factory gameplay in a new and unique way.
— Feed-The-Beast.com Overview
FTB Skyfactory Challenges is a Feed The Beast and CurseForge modpack created by the FTB Team. It is a pack designed for speedrunning with teams of up to 4 players.