cheat call of duty 3

Level selection
Hold [Select] button in the Chapter screen and input the code:

[Right]x2, [Left]x2, [Square]x2: Unlock all levels.

More Smoke Grenades
Enter this code while in gameplay:

[R1], [Circle], [R2], [L2], [Square]: 2,000 smoke grenades (if you enter it correctly, a message should appear)
 Veteran Interviews
Gordon Boulton: Complete the game once.
Sgt. John D. "BUD" Hawk: Complete the game once.
Sgt. Stan Markut: Complete the game once.