Begin a new game and put as your player name the following process: Press Down 3 times and Right 2 times and select the Japanese character. Then press Down 2 times and Left 2 times and select the Japanese character. Now press Right 3 times and select the Japanese character. Finally press Up 5 times and Left 2 times and select the Japanese character. Now start your game and you'll have infinite gold and be invincible.