Augmented or new ways of transporting materials - belts, inserters, pipes!

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

New ways to deal with enemies, be it attack or defense.

Armors or armor equipment.

Changes to enemies or entirely new enemies to deal with.

Map generation and terrain modification.

Related to roboports and logistic robots.

Entities which interact with the circuit network.

Furnaces, assembling machines, production chains.

More than just chests.