Conflict: Desert Storm II - Back to Baghdad (Gamecube) Cheats & Tips
Cheats, codes, tips, hacks, how to's, and walkthroughs
Unlock the "Cheats Option" in the Options Menu
While at the main menu, press L, L, R, R, B, B, Y, Y, X, X. Then, start a new game, and pause it to enter the Options screen (Note, there is no confirmation sound).
Beat the game on Hard Difficulty.