During  gameplay  pause the game and enter the following codes to
unlock the corresponding effect.

Unlock ALL Weapons:
     Hold Left and press Right, B, B, Y, B.

Unlock Alternate Fade:
     Hold L and press Right, Up, Up, Down, B.

Unlock Alternate Lighting:
     Hold L and press Up, Right, Up, Down, B.

Unlock Fish Eye Camera:
     Hold L and press Left, Up, Right, Down, B.

Unlock Invisible Mode:
     Hold L and press Up, Left, Right, Up, B.

Unlock Slow-Motion Mode:
     Hold L and press Left, Down, Up, Right, B.

Unlock Beagle Holes, Footprints and Burns:
     Hold L and press Down, Up, B, Y, B.