Woooooooooooooooww
That was so good man!
Loved the mechanics, loved the music, loved the art.
If I had to nitpick I would say something about the balance, it's quite hard in some parts, but maybe it would be too easy without those.
Anyways, I dunno if this is a "special" achievement for those who managed to collect all 100 stamps, but I got a pretty cool drawing in the end!
Congratulations again, great job.