Configuration screen Press [A] + [Start] before game play begins to display a configuration screen with control, ship, difficulty, and sound test options. Ninety-nine ships Set the "Ship Stock" option on the configuration screen to "0".
Bonus music Complete the game to display additional selections on the music test option of the configuration screen. All weapons Pause game play and press [Up], [Right], [A], [Down], [Right], [A], [C], [Left], [Up], [B]. Press [C] to add a weapon. Press [Down] to remove a weapon. Press [Up] to add all weapons. Press [Right] to add or remove the claw.
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