This page contains Cheats for Gradius Collection organized by sections for PSP. Gradius Collection is a Miscellaneous Compilation game, made by M2, released on Jun 6, 2006 and published by Konami. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
Gradius Collection PSP CheatsM2
- Publisher: Konami
- Genre: Miscellaneous Compilation
- Release Date: Jun 6, 2006
- ESRB: Everyone
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,...From: amie1991
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....From: Rectcoits
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...From: AthgzAponte
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 i...From: pikagirl5
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Gradius Collection expert then please try to help others with their questions.