Scrub smelter fumes for cadmium and turn it into plated hardware for better engines, rockets and reactors. Dirtier air makes scrubbers work faster.
Mods introducing new content into the game.
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