Pause the game and press X, Left Trigger, B, Right Trigger, Back, Y, X.
| Code: | Result: |
| ENCHILADA | Unlock Everything |
| BASS | Unlock Mission 2, A Storm in the Port |
| STURGEON | Unlock Mission 3, Needle in a Haystack |
| PIKE | Unlock Mission 4, Several Bridges Too Far |
| TROUT | Unlock Mission 5, Rolling Thunder |
| CATFISH | Unlock Mission 6, The Horten's Nest |
| SALMON | Get a Gold Medal on the previous mission |
| LONGVIEW | Snipe-O-Rama, all weapons are sniper mode |
| KILLSHOT | Silver bullet, One hit kills enemies |
| KILLERSHOT | Alternate Silver bullet |
| ONESHOTGUN | Perfectionist, One hit kills you |
| CRANIUM | Achilles' head, Enemies only dies of headshot |
| FLUBBER | Rubber grenades |
| NOHITSFORU | Bullet shield |
| GHOSTARMY | Invisible Enemies |
| BOOTDAHEAD | Men With Hats |
| TOPFUN | MOHton Torpedo |
| BACKSTAGEO | Making Of D-Day FMV |
| BACKSTAGER | Making Of Needle In A Hay Stack FMV |
| BACKSTAGEF | Making Of A Storm In The Port FMV |
| BACKSTAGES | Making Of Several Bridges Too Far FMV |
| BACKSTAGET | Making Of Rolling Thunder FMV |
| BACKSTAGEI | Making Of The Horten's Nest FMV |
| FLIPBOOK | Animation reel |
| COTOBREATH | Paintball FMV |
Turn on the subtutles in the Options menu to undertand what the Germans are saying.
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