building gets xp from working and level up
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
can it design to a module rather than directly change the entity,like mine exp module and assembly exp module etc.start to create a 0 level module and level it up
hey! i did it: https://github.com/millerscout/MMD-Factorio-Mods/issues/3#issuecomment-1752271741
but i didn't like the solution, but you may fork and change as you please