Unlock Level select:
When you have used the Delta bombs over 10,000 times a 'Stage Select' option will become available to select levels. You can check your progress by viewing the 'Notes' or 'Your Record' menu.

Unlock Invincibility
During gameplay press 'Start' to pause the game and enter the following code and your ship will be invincible for the current level (the code can be entered again during the game for other levels). Hold L2 and press Right(2), Left, Right, Left(2), Right, Left, R2, Up(2), Down(2), Up, Down, Up, Down, R2. If the code has been entered correctly you will hear a sound as confirmation.

Unlock Refill Force Power:
During gameplay press 'Start' to pause the game then, hold L2 and press Left, Right, Up, Down, Right, Left, Up, Down + Triangle. If the code has been entered correctly you will hear a sound as confirmation.

Unlock Red Power-Up:
When you have collected a Force Pod press 'Start' to pause gameplay and hold L2. Then press Left, Right, Up, Down, Right, Left, Up, Down + Square. If the code has been entered correctly you will hear a sound as confirmation.

Unlock Blue Power-Up:
When you have collected a Force Pod press 'Start' to pause gameplay and hold L2. Then press Left, Right, Up, Down, Right, Left, Up, Down + X. If the code has been entered correctly you will hear a sound as confirmation.

Unlock Yellow Power-Up:
When you have collected a Force Pod press 'Start' to pause gameplay and hold L2. Then press Left, Right, Up, Down, Right, Left, Up, Down + Circle. If the code has been entered correctly you will hear a sound as confirmation.