We have 1 cheats and tips on PSP. If you have any cheats or tips for Parodius Portable please send them in here. You can also ask your question on our Parodius Portable Questions & Answers page.
During gameplay pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, L, R to upgrade ALL your weapons so they are on maximum power (this code works on any of the games in the collection).