It could probably benefit from an indicator that there's still work to be done. I thought I was done, but noticed a comment from someone else that they got confetti.
Yeah, that's actually a great idea. Do you have any idea on how the indicator could look like? Something like counter how many tiles are still not in position?
I was thinking something like that, "x tiles to go". Or a "Check" button that tells you how many are left, but it still automatically shows the confetti when you're done.