Modifies vanilla crafting and smelting to be much trickier, you will need better planning and more clever setup
Large total conversion mods.
Augmented or new ways of transporting materials - belts, inserters, pipes!
New ways to deal with enemies, be it attack or defense.
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
and I know it k2se support is not workable,but I dont have time to add on to it so it gonna wait.