Developer message
At the lower right of the fourth continent is a small island that you cannot access. There is a tree on the island. Highlight the island and read its description to view a secret message from the developers, thanking you for playing the game and showing its credits.
Easy money
When the random Dokapon card game at the beginning of a week appears, play through it. Note the location of all the cards. After you know their location, reset the game. Play the card game again and get all the cards correct immediately to win 1,000,000.
Jobs
Complete the indicated task to unlock the corresponding job.
Acrobat: Get a Casino Ticket.
Alchemist: Have a Master Magician and Thief.
Cleric: Master any starting job.
Dark Wizard: Have a Master Alchemist and Spellsword.
Hero: Have a Master Spellsword, Ninja, and Acrobat and get Hero License from the City Above The Clouds.
Monk: Have a Master Priest.
Night Walker (Night Warrior): Have Master Alchemist and Ninja.
Ninja: Have a Master Warrior and Thief.
Robo Knight: Have a Master Alchemist and Monk and get Lost Technology from Sunken Shrine.
Spellsword: Have a Master Warrior and Magician.