Gradius Galaxies – Gameboy Advance

Gradius Galaxies - Platform: Gameboy Advance

All Weapons:
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Pause gameplay and press Up, Up, Down, Down, L, R, L, R, B, A. 

Challenge B mode:
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Successfully complete the game in Challenge A mode. 

Challenge A mode:
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Successfully complete the game to unlock the ''Challenge A'' option 
at the main menu. 

Delete saved game:
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Enter the options screen, highlight "Exit", then hold L + R + B and 
press Start. 

Self-destruct:
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Press Start to pause game play, then press Up(2), Down(2), Left, 
Right, Left, Right, B, A, Start. 

All power-ups:
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Press Start to pause game play, then press Up(2), Down(2), L, R, L, 
R, B, A, Start. Note: This can only be done a limited number of 
times until it causes your ship to self-destruct.