Reach for the skies! Adds a postgame infinite technology with infinite tiers of belt stacking. Requires a mod that adds stack inserters, such as the Space Age DLC or the Stack Inserters mod.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Does your version have Exponential research costs? Or a settings to switch from Linear to Exponential.