what is the hidden Mickey challenge?
There are hidden mickey images that the imagineers have built into all sorts of stuff on the ship. You can go around the boat and find them all. Here's a site with a bunch of examples: http://www.hiddenmickeyguy.com/catalog/disney-cruise-line/disney-fantasy

) but on the Classics, I always thought the chocolate chip cookies offered on-board weren't that great - mostly over-baked. We ordered them once from Room Service and they were the same cookies served on the buffet - which I grab occasionally only when there isn't anything better!
It's a bit of a mystery, but I won't complain!