Refuel:
While playing, pause the game and enter the password "OXE", then press Select. To unlock the password, type "OEX".

Special Laser:
While playing, pause the game and enter the password "OOXOAE", then press Select. To unlock the password, type "OEX".

Rolls
Hold [L1] or [L2] and press [Left] or [Right] to roll.

Entering cheat mode

Normal cheat mode
Pause the game and press [Circle], [X], [Square], [Select]. This allows one of the following codes to be used a limited number of times per mission. Note: This code must be entered again if a new mission is started.

Extended cheat mode
Fire the laser and pause the game while the laser is still visible. Press [Square], [X], [Square], [Circle], [Triangle], [Circle], [Triangle], [Select]. This allows one of the following codes to be used an unlimited number of times.

Invincibilty
Enter cheat mode, pause the game and press [Square], [X], [Triangle].

Smart bomb
Enter cheat mode, pause the game and press [Square], [X], [Circle].

Super laser
Enter cheat mode, pause the game and press [Circle]x2, [X], [Circle], [Triangle], [Square].

Mission completed
Enter cheat mode, pause the game and press [Square], [X], [Square]x2, [Circle].