Enter the following passwords at the "Map Maker" menu to unlock the corresponding developer created map.

Map	Password
Demon Palace	0106-3927-4200
Grassland	0101-4649-5963
Mountain	0102-3864-7530
Seashore	0104-6456-5607
Shrine	0103-5410-1192
Volcano	0105-7777-7777