Unlockables
     Complete   the   following   achievements  to  unlock  Xbox  Live
Gamerscore points.

Unlockable:                   How to unlock:

Make the Jump (20)            Infiltrate a cargo ship. 

Earn a Winged Dagger (20)     Complete 'F.N.G.'. 

Win the War (40)              Complete the game on any difficulty. 

Dancing in the Dark (20)      Kill the power. 

Save the Bacon (20)           Protect 'War Pig', the Abrams tank. 

Death From Above (20)         Operate an AC-130 gun ship. 

Wrong Number (20)             Find Al-Asad's safehouse. 

Piggyback Ride (20)           Carry Cpt. MacMillian to safety. 

Desperate Measures (20)       Corner Zakhaev's Son. 

Look Sharp (20)               Find 15 enemy intel items. 

Eyes and Ears (20)            Find 30 enemy intel items. 

Down Boy Down (20)            Survive a dog attack. 

New Squadron Record (20)      Complete the cargo ship mockup 
                              in less than 20 seconds. 
                              
Rescue Roycewicz (20)         Save Pvt. Roycewicz on the stairs. 

Your Show Sucks (20)          Destroy all the TVs showing 
                              Al-Asad's speech. 

Man of the People (10)        Save the farmer. 

Straight Flush (20)           Kill 5 enemies with one shot while 
                              in the AC-130 gunship. 

Ghillies In The Mist (20)     Complete 'All Ghillied Up' without 
                              alerting any enemies. 

Mile High Club (20)           Sky dive to safety on Veteran difficulty. 

No Rest for the Weary (10)    Stab an injured crawling enemy. 

Deep and Hard (90)            Complete the game on Hardened 
                              or Veteran difficulty. 

The Package (40)              Complete 'Crew Expendable' 
                              on Veteran difficulty. 

The Rescue (40)               Complete 'Blackout' on Veteran difficulty.

The Search (40)               Complete 'Charlie Don't Surf' 
                              on Veteran difficulty. 

The Bog (40)                  Complete 'The Bog' and 'War Pig' 
                              on Veteran difficulty. 

The Escape (40)               Complete 'Hunted' and 'Death From Above' 
                              on Veteran difficulty. 

The First Horseman (40)       Complete 'Shock and Awe' 
                              on Veteran difficulty. 

The Second Horseman (40)      Complete 'Safehouse' 
                              on Veteran difficulty. 

The Shot (40)                 Complete 'All Ghillied Up' and 'One Shot, 
                              One Kill' on Veteran difficulty. 

The Third Horseman (40)       Complete 'Heat' and 'The Sins of 
                              the Father' on Veteran difficulty. 

The Ultimatum (40)            Complete 'Ultimatum', 'All In', 
                              and 'No Fighting in the War Room' 
                              on Veteran difficulty. 

The Fourth Horseman (40)      Complete 'Game Over' 
                              on Veteran difficulty. 

Daredevil (10)                Kill an enemy while blinded 
                              by a flashbang in the single player 
                              campaign. 

Roadkill (10)                 Kill 2 enemies by blowing up a car 
                              in the single player campaign. 

Bird on the Ground (20)       Shoot down an enemy helicopter with 
                              an RPG in the single player campaign.

Four of a Kind (20)           Kill 4 enemies in a row with headshots 
                              in the single player campaign. 

Three of a Kind (10)          Kill 3 enemies in a row with your knife 
                              in the single player campaign.


Unlock Arcade and Cheat Option 
     These  Unlock automatically for completing Call of Duty 4: modern
Warfare  on  and  difficulty  level.  Cheat  menu  can be found during
gameplay in the options menu.

Unlockable:                   How to Unlock:

Arcade Mode                   Complete game on any difficulty 

Cheat Menu                    Complete game on any difficulty


Cheats 
     Cheats  are  unlocked  by collecting enemy intel, which look like
laptop computers, that are hidden throughout the campaign. Note: Using
cheats disables Achievements.

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. 

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: 
Weapons have unlimited 
ammo, you don't even need 
to reload! Doesn't work 
with single-shot weapons 
like C4 and Claymores.        Collect 30 pieces of enemy intel. 


Multiplayer Weapons 
Each weapon is unlocked in multiplayer at a certain rank. 

Unlockable:                   How to Unlock:

Sniper Rifle - M40            Reach Rank 04 
Assault Rifle - M4 Carbine    Reach Rank 10 
SMG - Mini Uzi                Reach Rank 13 
Pistol - M1911                Reach Rank 16 
LMG - M60E4                   Reach Rank 19 
Sniper Rifle - Dragunov       Reach Rank 22 
Assault Rifle - G3            Reach Rank 25 
SMG - AK-74U                  Reach Rank 28 
Shotgun - M1014               Reach Rank 31 
Sniper Rifle - R700           Reach Rank 34 
Assault Rifle - G36C          Reach Rank 37 
SMG - P90                     Reach Rank 40 
Pistol - Desert Eagle         Reach Rank 43 
Assault Rifle - M14           Reach Rank 46 
Sniper Rifle - Barret         Reach Rank 49 
Assault Rifle - MP44          Reach Rank 52 
Pistol - Golden Desert Eagle  Reach Rank 55 

Golden Weapons 
     Golden  weapons  are  a  special camo that you get when you fully
complete  their  respective  weapon  challenges.You can access them by
choosing  the  camo  of  the respective weapon.The weapons don't get a
boost or anything alike,it's purely cosmetic.

Unlockable:                   How to Unlock:
Golden Desert Eagle           Get to Lv.55. 
Golden Ak-47                  Complete all Assault Rifle challenges. 
Golden M60                    Complete all LMG challenges. 
Golden Mini-Uzi               Complete all SMG challenges. 
Golden Dragonuv               Complete all Sniper challenges. 
Golden M1014                  Complete all Shotgun challenges. 


Ranks - Unlocks 
Rank up 

Unlockable:                   How to Unlock:
Demolitions Class 
Weapon Class                  Get rank 01 

Sniper Class Weapon Class     Get rank 02 

Create a Class                Get rank 03 

Gun Challenges                Get rank 04 

New playlists                 Get rank 05 

M40 Sniper Rifle              Get rank 06 

Last Stand Perk Class 3       Get rank 07 

Boot Camp Challenges 1        Get rank 08 

M4 Carbine Assault Rifle      Get rank 09 

UAV Jammer Perk Class 2       Get rank 10 

Clan Tag                      Get rank 11 

Mini Uzi Submachine Gun       Get rank 12 

Bomb Squad Perk Class 1       Get rank 13 

Boot Camp Challenges 2        Get rank 14 

M1911 Pistol                  Get rank 15 

Martyrdom Perk Class 2        Get rank 16 

Boot Camp Challenges 3        Get rank 17 

M60E4 Light Machine Gun       Get rank 18 

Sleight of Hand Perk Class 2  Get rank 19 

Operations Challenges         Get rank 20 

Operations Challenges         Get rank 21 

Dragunov Sniper Rifle         Get rank 22 

Claymore Perk Class 1         Get rank 23 

Operations Challenges 2       Get rank 24 

G3 Assault Rifle              Get rank 25 

Iron Lungs Perk Class 3       Get rank 26 

Operations Challenges 3       Get rank 27 

AK-74U Submachine Gun         Get rank 28 

Double Tab Perk Class 2       Get rank 29 

Killer Challenges             Get rank 30 

M1014 Shotgun                 Get rank 31 

Bandolier Perk Class 1        Get rank 32 

Killer Challenges 2           Get rank 33 

R700 Sniper Rifle             Get rank 34 

Eavesdrop Perk Class 3        Get rank 35 

Killer Challenges 3           Get rank 36 

G36C Assault Rifle            Get rank 37 

Overkill Perk Class 2         Get rank 38 

Killer Challenges 4           Get rank 39 

P90 Submachine Gun            Get rank 40 

Frag x 3 Perk Class 1         Get rank 41 

Frag x 3 Perk Class 1         Get rank 41 

Humiliation Challenges        Get rank 42 

Desert Eagle Pistol           Get rank 43 

Dead Silence Perk Class 3     Get rank 44 

Humiliation Challenges 2      Get rank 45 

M14 Assault Rifle             Get rank 46 

Humiliation Challenges 3      Get rank 47 

Humiliation Challenges 4      Get rank 48 

Barret Sniper Rifle           Get rank 49 

Humiliation Challenges 5      Get rank 50 

Elite Challenges              Get rank 51 

MP44 Assault Rifle            Get rank 52 

Elite Challenges 2            Get rank 53 

Elite Challenges 3            Get rank 54 

Commander Prestige Mode       Get rank 55 

Golden Desert Eagle           Get rank 55 


Prestige Mode 
     This  is  a  multiplayer-only  mode, and to get it you must reach
experience level fifty-five.

     Instead  of capping out at level fifty-five, Prestige Mode allows
you  to  start  again  from level one. This can be done a total of ten
times.