Enter the following codes at the 'Main' Menu to begin a new game with the corresponding rank and specieal features that come with it like extra weapons and ammo.
R1, L2, L1, R2.
Square, Circle, Triangle.
Triangle, Circle, Square.
Circle, R1, Circle, L1, Triangle, R2.
Triangle, Square, Circle, Square, Triangle, Circle.
L2, Square, R2, Triangle, L1, Circle, R1.
Unlock Master of X-Squad:
Circle (x4), Triangle, Square (x4).
L1, L1, L2, L2, R1, R1, R2, R2.