Press Start at the Panzer Dragoon title screen. Sweep the D-pad in three clockwise Full-Circles when the screen with normal game and options appears. A sound and the phrase "Rolling Mode" will appear to confirm correct code entry. Tap the D-pad twice to perform a roll during game play. To activate a smart bomb, begin a roll and hold any button to highlight all enemy targets on the radar. Release the button to destroy the targets.