Last Boss Password
At the password screen, press Left 5 times, Down 1 time and enter the Japanese character. Press Right 1 time and enter the Japanese character. Press Right 1 time again and enter the Japanese character. Now, enter the same set of 3 Japanese characters four more times (for a total of five times) and select End. If entered correctly, you'll appear just two floors away from the last boss in RPG mode.
At the password screen, enter the very first Japanese character and select End. If done right, you'll play a quiz game.
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