Gradius Collection Cheats - PSP
Primary Collection of Cheats
Cheat mode
Pause in any game under their easier difficulty setting, then press [Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right], [L], [R]. All weapons and power-ups will be unlocked.
In the Japanese version of the game, press [Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right], [X], [Circle].
Hints
Unlockables in Gradius III
Gradius III has unlockables. You must complete the following tasks and finish your game. That means if you don't die, you won't unlock anything, even if you have a saved game after completing the task. You should be careful too: If you load a game without a now unlocked feature, you will lose it again if you finish your game:
Cube Attack - Survive until level 9. It's the cube attack from level 9.
Extra Edit - Complete the game. You will be able to choose more weapons in Extra Mode.
Extra Mode - Survive until level 9. Here you will see most of unlockables.
Gradius - Get hit by a shot of the last boss. It's part of the first level from Gradius.
Salamander - Get hit by a shot of the last boss. It's part of the first level from Salamander.
Stage Select - Complete the game.
Unlockables in Gradius IV
Gradius IV has unlockables. You must complete the following tasks and finish your game. That means if you don't die, you won't unlock anything, even if you have a saved game after completing the task. You should be careful too: If you load a game without a now unlocked feature, you will lose it again if you finish your game:
Boss Rush - Complete the game.
Stage Select - Complete the game.
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.