Makes more machines require the previous tier to upgrade, similar to Assembling Machines. Currently modifies Inserter, Steel/Electric Furnace, Submachine Gun, Combat Shotgun, Heavy/Modular/Power Armour, Heat Exchanger, and Steam Turbine.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022