checked-yes =>Arcade Mode Screen: Hold <SELECT> and press <RUN>x57. The game will restart with a narrow, arcade-style screen. =>Sound Test: On the title screen, press L R D U <SELECT> L. =>100 Continues: On the title screen, press D R <SELECT> D <II> D <I> L <SELECT> U <I> <II> I. =>Two Continues: On the title screen, hold <I> and press <II>.