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Cheats & Guides
Gradius Collection Cheats For PSP
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Gradius III - Easy Final Boss
Put the ship in the middle of the screen, near the bottom. The blasts will be unable to hit you. Even better yet, this boss doesn't require you to actually damage it to a certain point, so just stay in this safe zone and it will die after 15 seconds or so.
Contributed by: NostalgicX
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Konami Code
Codes must be entered after Pausing the game.
Code works on all of the games in the collection on their easier settings, but only works once per level.Effect Effect Up, Up, Down, Down, Left, Right, Left, Right, L, R All weapons + Power-ups Contributed by: Terry28
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Unlockables in Gradius IV
Unlockable Unlockable Complete the game. Boss Rush Complete the game. Stage Select Contributed by: KMM1985
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Unlockables in Gradius III
Unlockable Unlockable Cube Attack Complete the game. You will be able to choose more weapons in Extra Mode. Extra Edit Survive until level 9. Here you will see most of unlockables. Extra Mode Gradius Salamander Complete the game. Stage Select Contributed by: KMM1985
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Unlockables in Gradius Gaiden
Unlockable Unlockable Complete the game on Normal or higher. Stage Select Contributed by: KMM1985
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