Beat the game on any difficulty and let the credits run all the way through. When they finish, you'll start another mission. This mission takes place on a plane the resembles Air Force One, wherein you must fight your way through a hoard of baddies, save the V.I.P. and escape the plane in less than 2 minutes.
Also, when you finish the game, you unlock the Arcade Mode.
Unlockable How to Unlock Air Force One Mission Finish The Game Arcade Mode Finish The Game
Contributed By: girandhistacos.
Unlockable How to Unlock Arcade Mode To unlock Arcade Mode, beat the game once through on any difficulty level. Arcade Mode itself is split into two options - Full Challenge or Level Chal
Complete the indicated task to unlock the given item.
Unlockable How to Unlock Cheats Menu Complete the game on any difficulty.
Contributed By: Sour.
Collect All Intel Pieces
Cheats are unlocked not by inserting passwords, but by acquiring the thirty Intel Pieces strewn throughout the game. The more of them you collect, the more cheats you can access. On the left are the number of Intel Pieces collected, and on the right are the cheats that are unlocked, with an explanation of what each does
Unlockable How to Unlock "A Bad Year" Enemies explode into tires when shot Collect 15 intel pieces "Cluster Bombs" One frag grenade thrown equals five in explosion Collect 10 intel pieces "CoD Noir" Play the game in black and white Collect 02 intel pieces "Infinite Ammo" Just what it says Collect 30 intel pieces "Photo-Negative" Game colors become inverte Collect 04 intel pieces "Ragtime Warfare" The game feels like an old silent movie Collect 08 intel pieces "Slow-Mo Ability" Game plays at 40% normal speed Collect 20 intel pieces "Super Contrast" Game's contrast increases. Collect 06 intel pieces
All these perks are obtained by a certain rank in multiplayer mode.
Unlockable How to Unlock 3 Frag Grenades Rank 41 Bandolier Rank 32 Bomb Squad Rank 14 Claymores Rank 23 Dead Silence Rank 44 Double Tap Rank 29 Eavesdrop Rank 35 Iron Lungs Rank 26 Last Stand Rank 8 Martyrdom Rank 17 Overkill Rank 38 Sleight of Hand Rank 20 UAV Jammer Rank 11
Unlockable multiplayer weapons are based on your rank you receive. As you gain in rank, you will gain the ability for more and more weapons.
Unlockable How to Unlock Assault Rifle (G3) Rank 25 Assault Rifle (G36C) Rank 37 Assault Rifle (M14) Rank 46 Assault Rifle (M4) Rank 10 Assault Rifle (MP44) Rank 52 LMG (M60E4) Rank 19 Pistol (Desert Eagle) Rank 43 Pistol (Golden Desert Eagle) Rank 55 Pistol (M1911) Rank 16 Shotgun (M1014) Rank 31 SMG (AK-74U) Rank 28 SMG (Mini Uzi) Rank 13 SMG (P90) Rank 40 Sniper Rifle (Barret) Rank 49 Sniper Rifle (Dragunov) Rank 22 Sniper Rifle (M40) Rank 04 Sniper Rifle (R700) Rank 34
Contributed By: XCommander.
Using Golden Weapons
Golden weapons are considered as special camo that you obtain when you fully complete their respective weapon challenges. You can use them by choosing that gold camo of the respective weapon. Note: The gold weapons are not enhanced, stronger, or more powerful in any way, it's simply Skin
Unlockable How to Unlock:
Unlockable How to Unlock Golden Ak-47 Complete all Assault Rifle challenges. Golden Desert Eagle (Not Skin) Reach 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.
Contributed By: Ivajosh10.
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
Have We Been Fooled?
If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.