Cheats are unlocked by collecting enemy intel, which look like laptop computers, that are hidden throughout the campaign.
| Unlockable: | How to unlock: |
| CoD Noir: Simply turns all gameplay turns black and white, giving the game a classic war movie feel. | Collect 2 pieces of enemy intel. |
| Photo-Negative: Inverses all of the colors of the game. | Collect 4 pieces of enemy intel. |
| Super Contrast: Dramatically increases the game's contrast, making the darks much darker and the lights much lighter. | Collect 6 pieces of enemy intel.Collect 6 pieces of enemy intel. |
| Ragtime Warfare: Gameplay goes black-and-white, dust and scratches fill the screen, it plays at 2x speed, and the music becomes piano music. | Collect 8 pieces of enemy intel. |
| Cluster Bombs: After one of your frag grenades explodes, four more explode in a cross-shape pattern. | Collect 10 pieces of enemy intel. |
| A Bad Year: When you kill enemies, they explode into a bunch of old tires! | Collect 15 pieces of enemy intel. |
| Slow-Mo Ability: By using the melee button, you can change the game to slow-mo and play at half-speed. | Collect 20 pieces of enemy intel. |
| Infinite Ammo: Wepaons have unlimited ammo, you don't even need to reload! Doesn't work with single-shot weapons like RPGs, or C4 and Claymores. | Collect 30 pieces of enemy intel. |
