Button Combination Cheats
Go to "Credits" under the Options menu, and enter the following button combinations.
Code Effect Down, Down, Down, Triangle, Down, Down, Down, Square, Left, Right. Expert Mode L1, Triangle, Up, Down, Circle, Circle, Up, Up, Up, Down Faster Shooting
Contributed By: Joni.
Unlock Art Galleries
Enter the following cheats at the title screen to unlock the Art Galleries.
Code Effect L1, R2, L1, R2, L1, Square. Go to Options, select "Extra" Unlocks Disc 3 Art Gallery Circle, Circle, Square, L2, Square. Unlocks Disc 4 Art Gallery Left, Right, Up, Down, Down, Circle. Go to Options, select "Extra" Unlocks Disk 1 Art Gallery Up, Up, R1, R1, R1, Square. Go to Options, select "Extra" Unlocks Disk 2 Art Gallery
Unlockable Cheat Codes
Complete the game once and save the game clear data. Load that data and you'll begin a new game on ''Hard'' difficulty. The code panel that you see early in the game is now accessible. Enter the following codes to enable the corresponding cheats.
Code Effect 11692 All Weapons 10397 Big Head Mode 61166 Infinite Ammo
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You can submit a problem report for any non-working or fake code in the lists above.