Konami Classics Series - Arcade Hits - Nintendo DS
Powered-up ship in Gradius:
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At the game selection screen, select Gradius , then press Up(2), Down(2), Left,
Right, Left, Right, B, A at the title screen. If you entered the code correctly,
you will hear a sound. Pause the game to give your ship all power-ups except for
speed. Note: This can only be done once.