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(2), Black, L, R(2), Black at the "Press Start" screen. Psychedelic mode: Press Up, Black, B, Left, Y, X , White ,L, B ,R at the "Press Start" screen.