Define a challenge on a chosen map and try to complete it as fast as you can, or in a limited time. Publish it on the factorio forum (section Maps and Scenarios) to challenge other players, and see if someone can beat your personal record...
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