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!

Trains are great, but what if they could do even more?

Changes to enemies or entirely new enemies to deal with.

Related to roboports and logistic robots.

Entities which interact with the circuit network.

Furnaces, assembling machines, production chains.

Change blueprint behavior.