Put more science in your science and test your factory's scalability by making old science packs ingredients of new ones. Gain productivity researches as a reward.
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