All  of  the  under  mentioned  codes must be typed in during the
pause  menu  on  any  of the single player modes (Challenges, Galactic
Conquest, or Instant Action.)

     Just  get  into  play how you would normally, then as soon as you
are on the battlefield, hit [START] to pause the game, enter the codes
below, then hit 'Resume Game' or Triangle to continue game play.

Get rid of the H.U.D.
     Up, Up, Up, Up, Left, Up, Up, Down, Left, Down, Up, Up, Left, Right

Invincibility
     Up, Up, Up, Left, Down, Down, Down, Left, Up, Up, Up, Left, Right

Low-Res Characters
     Down,  Down,  Down,  Up,  Up, Left, Down, Down, Down, Down, Down,
Left, Up, Up, Up, Left

Slow-Mo SFX
     Up, Up, Up, Left, Up, Down, Up, Up, Left, Down, Down, Down, Left,
Up, Down, Down, Left, Right

Special FX
     Up, Down, Left, Down, Left, Right

Unlimited Ammo
     Up,  Down,  Left, Down, Down, Left, Down, Down, Left, Down, Down,
Down Left, Right