Steam Trains adds Fireless Steam Locomoties that are fueled by liquid steam instead of solid burnable fuels. Pipe in steam from burners or a nuclear reactor to power this locomotive.
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