Unlock Maps:
Extra Map 1:
Beat the game
Extra Map 2:
Complete Extra Map 1

Extra Map 3:
Complete Extra Map 2

Extra Map 4:
Complete Extra Map 3

Extra Map 5:
Complete Extra Map 4

Extra Map 6:
Beat over 30 floors of a random dungeon with level 300 enemies at the bottom.
Extra Map 7:
Beat Maps 1 - 6
Extra Map 8:
Unlock Map 6 and beat a random dungeon with 50 floors with enemies over level 500 at the bottom.

Extra Map 9:
Unlock Map 6, 8 and beat a random dungeon with 99 floors, and enemies over level 1000 at the bottom.

Extra Map 10:
Beat Extra Map 9
Unlock Hidden Items on Phantom Isle:
There are items you can get by jumping in certain areas On Phantom Isle.

Bottle Mail:
Stack four characters on top of the big tree and jump to get this character

More Money:
Keep stacking items on the tree to get money. the pie can get up to forty seven large rocks
100 Bordeaux:
Niche behind Maronas house in the water

100 Bordeaux:
On top of Maronas house

100 Bordeaux:
Elevated land on hill behind house
100 Bordeaux:
Corner of map

100 Bordeaux:
circle of stone in front of Maronas house

Changebook:
On the big tree next to Maronas house