A screenshot of Bonesweeper's in-game progress tracker, showing Dig, Assembly, and Map phases as being 80% prototyped, the Museum phase as 30% prototyped, avatar stuff at 50% prototyped, and menu/flow at 90% prototyped. Averaging counts the lowest tier to give a minimum level of progress view. In the article, we'll see Dig, Assembly, and Map phases have moved into functional tier completeness.
https://files.mastodon.social/media_attachments/files/108/509/420/686/161/667/original/985903d3eee919d2.png