Invincibility
Pause game play, then hold [A] + [C] and press [Left]. The screen will freeze for a moment. Resume game play to be invincible for the remainder or the level. Note: This code may only be enabled at the start of each level.
Cheat mode
Hold [A] + [B] + [C] + [Start] at the title screen to enter configuration mode. Set the sound test value to 18. Hold [A] on controller two and exit configuration mode. Enter the following controller actions to enable the corresponding effect.
Level select
Press [Start] at the title screen to display the level selection screen.
Weapon select
Pause game play. Hold [Up] and press [A] to select a weapon.
Full power
Pause game play. Hold [Up] and press [A]x2. Resume game play and fire the TOZ.
Super weapon
Fire the TOZ completely six times, then capture an enemy ship that normally awards a weapon. The T-Braster, a weapon with heat-seeking capability, will be available for use.
Bonus level
Fire the TOZ 128 times.