checked-no =>10,000 Crystals: In the Configuration screen, set the level to Super, the Music to 02, and the Sound to 02. Hold <SELECT> and press <I>. =>Boss Mode: In the Configuration screen, set the level to Hard, the Music to 01, and the Sound to 01. Hold <SELECT> and press <I>. The word "Exit" on the menu will change to "Boss". Choose that to begin.