Gradius Collection PSP Cheats and Codes
Cheats:
When playing, pause the game on the easier difficulty setting, then press Up(2), Down(2), Left, Right, Left, Right, L, R to get all weapons and power-ups. In the Japanese version of the game, push Up(2), Down(2), Left, Right, Left, Right, X, Circle.
Unlock Boss Rush:
Complete the game.
Unlock Stage Select:
Complete the game.
Choose any given letter by the game title you need to find PSP cheats or Codes for.
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