Invincibility
Press [Start] to pause game play. Then, hold [L2] and press [Right]x2, [Left], [Right], [Left]x2, [Right], [Left], [R2], [Up]x2, [Down]x2, [Up], [Down], [Up], [Down], [R2]. A sound will confirm correct code entry. Your ship will be invincible for the current level. This code may be re-activated as needed.

Refill Force power
Press [Start] to pause game play. Then, hold [L2] and press [Left], [Right], [Up], [Down], [Right], [Left], [Up], [Down] + [Triangle]. A sound will confirm correct code entry.

Red power-up
Collect a Force Pod, then press [Start] to pause game play. Then, hold [L2] and press [Left], [Right], [Up], [Down], [Right], [Left], [Up], [Down] + [Square]. A sound will confirm correct code entry.

Blue power-up
Collect a Force Pod, then press [Start] to pause game play. Then, hold [L2] and press [Left], [Right], [Up], [Down], [Right], [Left], [Up], [Down] + [X]. A sound will confirm correct code entry.

Yellow power-up
Collect a Force Pod, then press [Start] to pause game play. Then, hold [L2] and press [Left], [Right], [Up], [Down], [Right], [Left], [Up], [Down] + [Circle]. A sound will confirm correct code entry.

Ship preview
Hold [R1], [R2], [L1] or [L2] and press the D-Pad at the ship selection screen to change the camera view. Press [Square] to change the speed of the rotation. Press [Triangle] or release [R1], [R2], [L1] or [L2] to restore the original view.

Level select
Use the Delta bombs more than 10,000 times. This may be checked by viewing the "Notes" or "Your Record" menu. A "Stage Select" option will appear when this goal has been completed.

Extra credits
Accumulate over three hours of game play to increase the number of credits to nine.

Unlimited credits
Accumulate over six hours of game play to unlock a "Free Play" mode.

Power Armor jet
The Power Armor is the best jet in the game. It can be accessed by successfully completing the game under the "Human" (normal) or Bydo (hard) difficulty setting, or by playing the game over one hundred times.

Gallery images
A background picture is added to the gallery after approximately every half hour of game play.