Conflict Desert Storm 2 - Back To Baghdad

Cheat mode:
Go to the main menu, and press the following button combination:
L, L, R, R, B, B, Y, Y, X, X
OR
Z, Z, Y, Y, X, X, B, B, Start, Start

Begin the game after pause the game play, then jump to the options.
The "Cheats" selection should be unlocked in the options menu.

Unlock extreme mode:
Finish the game in hard mode