Type castor during game play to enable cheat
mode and invincibility. The screen will flash green to confirm
correct code entry. Then, press [F6], [F7], [F8],
[F9], or [F10] to change weapons. Press [F1],
[F2], [F3], [F4], or [F5] to change
the power level of the selected weapon.
Type electronic at the title screen to display
the debug options. Alternatively, type electronic followed