Unlock advanced mining, processing, and refining for the various ore types. Each resource has a completely unique chain with dozens of byproducts. The more effort used, the more you can extract.
Large total conversion mods.
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
Is it intentional that the mk3 Py bots use the mk1 bots and the mk2 don't have an upgrade path?