Multiplayer Weapons
| Assault Rifle - G3 | Reach Rank 25 |
| Assault Rifle - G36C | Reach Rank 37 |
| Assault Rifle - M14 | Reach Rank 46 |
| Assault Rifle - M4 Carbine | Reach Rank 10 |
| Assault Rifle - MP44 | Reach Rank 52 |
| LMG - M60E4 | Reach Rank 19 |
| Pistol - Desert Eagle | Reach Rank 43 |
| Pistol - Golden Desert Eagle | Reach Rank 55 |
| Pistol - M1911 | Reach Rank 16 |
| Shotgun - M1014 | Reach Rank 31 |
| SMG - AK-74U | Reach Rank 28 |
| SMG - Mini Uzi | Reach Rank 13 |
| SMG - P90 | Reach Rank 40 |
| Sniper Rifle - Barret | Reach Rank 49 |
| Sniper Rifle - Dragunov | Reach Rank 22 |
| Sniper Rifle - M40 | Reach Rank 04 |
| Sniper Rifle - R700 | Reach Rank 34 |
Golden Weapons
| Golden Ak-47 | Complete all Assault Rifle challenges. |
| Golden Desert Eagle | Get to Lv.55. |
| Golden Dragonuv | Complete all Sniper challenges. |
| Golden M1014 | Complete all Shotgun challenges. |
| Golden M60 | Complete all LMG challenges. |
| Golden Mini-Uzi | Complete all SMG challenges. |
Cheats
| A Bad Year: When you kill enemies, they explode into a bunch of old tires! | Collect 15 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. |
| CoD Noir: Simply turns all gameplay turns black and white, giving the game a classic war movie feel. | Collect 2 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. |
| Photo-Negative: Inverses all of the colors of the game. | Collect 4 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. |
| 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. |
| Super Contrast: Dramatically increases the game's contrast, making the darks much darker and the lights much lighter. | Collect 6 pieces of enemy intel. |
Unlock Arcade and Cheat Options
These Unlock automatically after completing story mode on any difficulty level. The cheat menu can be found at the in-game options menu.
Achievements
Make the Jump - Infiltrate the cargo ship. (20)
Earn a winged Dagger - Complete F.N.G. (20)
Win the War - Complete the game on any difficulty (40)
Dancing in the Dark - Kill the power (20)
Save the Bacon - Protect ‘War Pig’, the Abrams tank. (20)
Death from Above - Operate an AC-130 Gunship (20)
Wrong Number - Find Al-Asad’s safehouse (20)
Piggyback Ride - Carry Captain MacMillian to safety (20)
Desperate Measures - Corner Zakhaev’s Son (20)
Look Sharp - Find 15 enemy intel items (20)
Eyes and Ears - Find 30 enemy intel items (20)
Down Boy Down - Survive a dog attack (20)
New Squadron Record - Complete the carg ship mockup in less than 20 seconds (20)
Rescue Roycewicz - Save Private Roycewicz on the stairs (20)
Your Show Sucks - Destroy all TVs showing Al-Asad’s speech (20)
Man of the People - Save the farmer (10)
Straight Flush - Kill 5 enemies with one shot while in AC-130 (20)
Ghillies in the Mist - Complete ‘All Ghillied Up’ without alerting any enemies (20)
Mile High Club - Sky dive to safety on Veteran difficulty (20)
No Rest for the Weary - Stab an injured, crawling enemy (20)
Deep and Hard - Complete the game on Hardened or Veteran difficulty (90)
The Package - Complete ‘Crew Expendable’ on Veteran difficulty (40)
The Rescue - Complete ‘Blackout’ on Veteran difficulty (40)
The Search - Complete ‘Charlie Don’t Surf’ on Veteran difficulty (40)
The Bog - Complete ‘The Bog’ and ‘War Pig’ on Veteran difficulty (40)
The Escape - Complete ‘Hunted’ and ‘Death from Above’ on Veteran difficulty (40)
The First Horseman - Complete ‘Shock and Awe’ on Veteran difficulty (40)
The Second Horseman - Complete ‘Safehouse’ on Veteran difficulty (40)
The Shot - Complete ‘All Ghillied Up’ and ‘One Shot, One Kill’ on Veteran difficulty (40)
The Third Horseman - Complete ‘Heat’ and ‘The Sons of the Father’ on Veteran difficulty (40)
The Ultimatum - Complete ‘Ultimatum’, ‘All In’ and ‘No Fighting in the War Room’ on Veteran difficulty (40)
The Fourth Horseman - Complete ‘Game Over’ on Veteran difficulty
Daredevil - Kill an enemy while blinded by a flashbang in the single-player campaign (10)
Roadkill - Kill 2 enemies by blowing up a car in single-player campaign (10)
Bitd on the Ground - Shoot down an enemy helicopter with an RPG in single-player campaign (20)
Four of a Kind - Kill 4 enemies in a row with headshots in the single-player campaign (20)
Three of a Kind - Kill 3 enemies in a row with your knife in single-player (10)