God mode
Click Right Analog-stick, Left Analog-stick,
press [Right], [Left], [L], [R], click "Right
Analog-stick", Left Analog-stick, press [Right],
[Left], [L], [R] at the "Press Start"
screen.
Unlimited ammunition
Press [Black], [R], [Y], [White], [L],
[Up], [Black], [R], [Y], [White], [L],
[Up] at the "Press Start" screen.
Add weapon
Press [Up], [Down], [Left], [Right],
[B], [X], [Up], [Down], [Left], [Right],
[B], [X] at the "Press Start" screen. The
"Add Weapon" option will now appear when the game is
paused.
All missions and gallery pictures unlocked
Press [White], [Black], [L], [R],
[L], [White]x2, [Black], [L], [R]x2,
[Black] at the "Press Start" screen.
Psychedelic mode
Press [Up], [Black], [B], [Left],
[Y], "X ", "White ,L", "B ,R" at the "Press
Start" screen.