Kid Icarus: Uprising/Treasure Hunt

In kid icarus uprising there are challenges or treasure hunts like in SSBB that require you to do a certain take like defeating a certain boss with a certain weapon, clearing a chapter with a certain type of weapon, or playing on certain intensities. Just like in SSBB there is a item that can open challenges here its a feather in SSBB its a hammer. By unlocking theses squares you A:unlock idols weapons and powers and music. B:gain new even more powerful weapons and C: create a picture. In the beginning you start with Palutena's and then as you proceed to level 18 i believe you gain Viridi's the last one you unlock is after you finish Hades once and for all giving you Hades's treasure hunt. All together you have 3 treasure hunts that are 120 blocks each giving 360 challenges and 5 in each one gives a feather so that too challenging ones can be skiped. The first ones you get is your first idol and defeating your first boss (twinbellows).