Legend Of Dynamic : Goushouden
Game Boy Advance
Talk to Omorai Kun at all the times that he is encountered and complete the game. Do the same thing on your second time through the game. Then, start the game a third time and visit a Gou Chan shrine.
Talk to all the characters that Ishikawa Sensei created or helped create and complete the game. Start the game a second time and visit an Ishikawa statue.
Spend at least 50,000 yen at the store.