Medal of Honor: Frontline (PS2)

Men with hats
Enter "HABRDASHR" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Making of D-Day FMV sequence
Enter "BACKSTAGEO" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Infinite ammunition
Pause the game and then press Circle, L2, Square, L1, Select, R2, Triangle, Select.

Invincibility
After pausing the game press Square, L1, Circle, R1, Triangle, L2, Select, R2.

Bullet shield mode
Enter "BULLETZAP" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. All bullets that are fired at you will not damage you.

Making Of Needle In A Hay Stack FMV sequence
Enter "BACKSTAGER" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Making Of Several Bridges Too Far FMV sequence
Enter "BACKSTAGEF" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Making Of The Horten's Nest FMV sequence
Enter "BACKSTAGES" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Win current mission with a gold star
Enter "MONKEY" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Complete previous mission with Gold Star
Enter "TIMEWARP" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Mission 2
Enter "ORANGUTAN" at the Enigma Machine to unlock the Storm in the Port mission. If you entered the code correctly, green lights will flash.

Mission 3
Enter "BABOON" at the Enigma Machine to unlock the Needly in a Hay Stack mission. If you entered the code correctly, green lights will flash.

Mission 4
Enter "CHIMP" at the Enigma Machine to unlock mission 4. If you entered the code correctly, green lights will flash.

Mission 5
Enter "LEMUR" at the Enigma Machine to unlock the Rolling Thunder mission. If you entered the code correctly, green lights will flash.

Mission 6
Enter "GORILLA" at the Enigma Machine to unlock the Horten's Nest mission. If you entered the code correctly, green lights will flash.

Silver bullet mode
Enter "WHATYOUGET" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. Silver bullet mode allows enemies to be killed with one shot.

Rubber grenade mode
Enter "BOING" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat.

Snipe-O-Rama mode
Enter "LONGSHOT" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. This cheat allows all guns to zoom like a sniper rifle.

Perfectionist
Enter "URTHEMAN" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. This cheat allows the Nazis to kill you with one shot.

Achilles' head mode
Enter "GLASSJAW" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. Nazi's can only be killed with a headshot when this cheat is active.

Invisible enemies
Enter "WHERERU" at the Enigma Machine. If you entered the code correctly, green lights will flash. Select the "Bonus" option underneath the Enigma Machine to enable/disable this cheat. All that you will see is the enemy’s guns and helmets when this cheat is active.

Secret medal
Successfully complete the game with a Gold Star in every mission to receive the EA LA Medal of Valor.

Translation
Enter the options menu and turn on the subtitles. This will allow you to know what the Germans are saying.

Make People Dance
This isn't a cheat but it is fun. Put in the infinite ammo cheat and pick any of your guns. Then point at someone and start shooting and they will dance and hop around - when they come up it looks like they are going to shoot you.
NB: cannot be a badguy or it will just kill him.

Unlock Everything
To have EVERYTHING unlocked go to the password and type "DAWOIKS"