When the random Dokapon card game at the start of a week appears, play it. Memorize the location of all the cards. After memorizing the location, reset the game. Play the card game again and get all the cards correct immediately to win 1,000,000.
Unlock the following classes by performing the corresponding tasks:
CLASS - HOW TO UNLOCK Acrobat - Get a Casino Ticket. Alchemist - Master Magician & Thief Cleric - Master any job you start with Monk - Master Priest Ninja - Master Warrior & Thief Spellsword - Master Magician & Warrior Roboknight - Get Lost Technology in Sunken Shrine and Master Monk and Alchemist Hero - Beat Rico JR. to get the Angel Rings then go up the mountain in the contenent that looks like South America. Get the Hero Licence and master the classes listed on the license.
At the lower right of the fourth continent is a small island that cannot be accessed. There is a tree on the island. Highlight the island and read its description to view a secret message from the developers.