Noxys Swimming by Noxy, updated for Factorio 2.1: swim through water, with amphibious vehicles, sounds and water ripples.
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