Arcade mode: Enter the options screen and set "Score"
to "64000", "Time Min" to "04",
"Time Sec" to "13", and "Sound"
to "0E". Then, exit the options screen.
View development team: Enter the options screen and set "Score"
to "64000", "Time Min" to "04",
"Time Sec" to "13", and "Sound"
to "0F". Exit the options screen to view the development
team. Return to the options screen and verify that "Sound"
is now set to "01". Exit the options screen to view
a bonus screen.
Music titles: Enter the options screen and set "Score"
to "70000", "Time Min" to "01",
"Time Sec" to "23", and "Sound"
to "01". Then, exit the options screen.