X-Squad cheats and cheat codes for Playstation 2

This game other title is X-Fire (Cross Fire).

Go to the title screen and press the following button combinations 
to reach the indicated rank:

Private rank
Press Square, Circle, Triangle, then begin a new game. 

Sergeant rank
Press Triangle, Circle, Square, then begin a new game. 

Lieutenant rank
Press R1, L2, L1, R2, then begin a new game. 

Captain rank
Press Circle, R1, Circle, L1, Triangle, R2, then 
begin a new game. 

Major rank
Press L2, Square,R2, Triangle, L1, Circle, R1, then 
begin a new game. 

Colonel rank
Press Triangle, Square, Circle, Square, Triangle, Circle, 
then begin a new game. 

General rank
Press L1, L1, L2, L2, R1, R1, R2, R2, then begin a new game. 

Master of X-Squad rank
Press Circle, Circle, Circle, Circle, Triangle, Square, Square, 
Square, Square, then begin a new game.