An overhaul for corrundum to integrate more of the existing processes with other planets.
Mods introducing new content into the game.
New places to build more factories.
Transportation of the player, be it vehicles or teleporters.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Things related to oil and other fluids.
Entities which interact with the circuit network.
Furnaces, assembling machines, production chains.