To play the original arcade version of this game, wait for the title
screen, then press A + C + Start on Controller Two. To insert a coin, press
Left Shift.
Operator Screen
Most arcade games have an operator mode so the arcade owner can change
the difficulty, number of credits, etc. This game is no exception. To access
this screen, enable Arcade Mode then hold X + Y + Z + Start on Controller One.
Secret Options
At the Options screen press R three times to enable several new options:
Trace, Trace Load/Save, BGM Mode and Sight.
