Pause the game and press Select, L2, Select and R2,
then press one of the following codes:

Fly through Buildings:
Square, Square, Square, Square

Invincibility:
Triangle, Triangle, Triangle, Square

Max fuel and armor:
Triangle, Triangle, Triangle, Circle

Get max weapons:
L1, L2, R1, R2

Cycle gun modes:
Select, Select and Select

Summon wingman:
Square, Square, Square, Circle

Pause without menu:
Down, R1 and R2

Mission complete:
Triangle, Triangle, Triangle, Down, Down, Down

Upgrade current weapon:
L1, L1, R1, R1

Level select:
-------------
At the title screen, hold Left + L2 and press Select.
If you entered the code correctly, you will hear a sound.
Start a game and access any mission from the map.

Secret FMV sequence:
--------------------
Beat the game under the "Rockin'" difficulty level to
view a FMV sequence featuring background footage from
the development team. An easier way to view this
sequence is, set the difficulty level to "Rockin'",
enable the "Level select" code to jump to "Operation
Hurricane", and enable the "Set mission complete" code.

Two Player VS. mode:
--------------------
At the main title screen, hold select and R2 on both
controllers.

"Operation Power-up" level:
---------------------------
Beat every mission, then go down to the lowest mission
and repeatedly press Down + Right.

Passwords:
1018 Urban Shield
1006 Black Out
1213 Ice Storm
0203 Dessert Fury
0917 Tiger Trap
0354 Crack Down

Five Nukes:
-----------
Pause the game and press Select, L2, Select, R2, L1, L2,
R1, R2. If you entered the code correctly, the phrase
"Way to go" will be spoken.

Disable collision detection:
----------------------------
Pause the game and press Select, L2, Select, R2,
Square(4). If you entered the code correctly, the
phrase "Way to go" will be spoken.