Medal of Honor: Frontline Cheats

At any time pause the game and enter the following;
X, L TRIGGER, B, R TRIGGER, BACK, Y, X

Turn on subtitles in the options menu to
translate the German's

Successfully complete the game with a gold medal in every mission to receive the EA LA Medal of Valor. Successfully complete the following missions with all gold medals to receive the corresponding medal:

Pause the game and enter:
X, LEFT TRIGGER,B RIGHT TRIGGER, BACK,Y,X

AT THE PASSWORD SCREEN ENTER KILLERSHOT

After Barnes blows up the tank that is inside a barn, you will get to a mill where you will find a sniper. Kill him, then get up to the mill. Snipe the large group of Nazis that will appear in the distance, as if they were following you.

To get gold at the end of a level have 75% or more health and kill 95% or more of the enemy