Interacts with the Vehicle system or adds new ones!
Alters or introduces new means of storing and organizing items.
Viewing or tracking statistics in the factory.
Modifies Power production, delivery, or introduces new means of doing so.
Interacts with Pipe mechanics or adds new pipes.
Interacts with the transport of resources around the factory.
Interacts with (conveyor) Item mechanics or adds new Items to produce.
Introduces a significant amount of content while still preserving the base game's original progression.
Interacts with Blueprints or provides alternative blueprinting methods.
Interacts with an external system to implement its features, or enables connecting with one.