Cool game, thank you.
I like that you included historical facts in the introduction.
Noticed that I could perform the activities (=> accomplish the task and not waste time) even though there is an active alert about the breadcrumbs. Not sure if that is intentional or the implementation is missing. But it did make the game a little easier.
Unfortunately in some playthroughs no matter how much I vacuumed, the alert didn't go away. And I could not see any remaining breadcrumbs. Maybe the crumbs can be highlighted somehow to make it easier?
Good luck!