Gradius Galaxies Cheats (GameBoy Advance)

Enter the options screen, highlight "Exit," then hold L + R + B and press Start.

Press Start to pause gameplay, then press Up, Up, Down, Down, Left, Right, Left, Right, B,
A, Start.

For the old school gamers out there, you may remember the old Konami code: UP, UP, DOWN,
DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A. Entering this code while the game is paused
seemingly gives your ship all weapons. But three seconds after unpausing, you game will
self destruct.

Successfully complete the game to unlock the "Challenge A" option at the main menu.

Clear Challenge A.

Press Start to pause gameplay, then press Up, Up, Down, Down, L, R, L, R, B, A, Start.
This can only be done a limited number of times until it causes your ship to
self-destruct.