checked-no =>Debug Mode: Press <RUN>+<SELECT> to reset the game, but keep the buttons held down. When the title screen reappears, release <RUN> and press U. Release <SELECT> and press Ux3 Rx6 D D L L. The Stage Select and Invincibility mode should now be enabled. =>Stage Skip: In level one, hold U and press <SELECT>+<I>+<II> to skip ahead. In any of the other levels, hold D and press <SELECT>+<I>+<II>. =>Continue: On the "The End" screen, hold <I>+<II>+R and press <RUN>x2. If you are at the title screen, hold <I>+<II>+D and press <RUN>. You may continue three times.