A large train foundry building that assembles complete trains from blueprint templates: import a train blueprint, queue it, feed the parts with inserters, and watch the finished train fuel up and drive off onto your rail network on its own.
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