Unlock Stranger jet and gallery art
From the Main Menu, select the Gallery option and quickly press B, X, Y, B (x2), Y, X, B at the first screen to unlock the Stranger jet and all gallery art. You should hear a chime to indicate the code was entered. This code does the same thing as complating the game on any difficulty setting without using any continues at all.

Player Two Invincibility
When playing a two player game, you can make player 2 invicible by follow this tip: When both players are selecting a jet, have have player 1 select a jet first. Now press Start + A on controller 2 when selecting a jet for player 2.

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