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Call of Duty 4 (XBox 360)
Rescue Roycewicz on the stairs (20) : Save Pvt. Roycewicz on the stairs
Roadkill (10) : Kill 2 enemies by blowing up a car in the single player campaign
Save the Bacon (20) : Protect War Pig, the Abrams tank
Straight Flush (20) : Kill 5 enemies with 1 shot while in the AC-130 gunship
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 Fourth Horseman (40) : Complete 'Game Over' on 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 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
Three of a Kind (10) : Kill 3 enemies in a row with your knife in the single player campaign
Win the War (40) : Complete the game on any difficulty
Wrong Number (20) Find Al-Asad's safehouse
Your Show Sucks (20) : Destroy all the TVs showing Al-Asad's speech
Call od Duty 4 Achievements
Once you complete the achievement, you recieve the GamerScore. Achievement is the the right of the Unlockable, which is in bold.
Bird on the Ground (20) : Shoot down an enemy helicopter with an RPG in the single player campaign
Dancing in the Dark (20) : Kill the power
Daredevil (10) : Kill an enemy while blinded by a flashbang in the single player campaign
Death From Above (20) : Operate an AC-130 gun ship
Deep and Hard (90) : Complete the game on Hardened or Veteran difficulty
Desperate Measures (20) : Corner Zakhaev's Son
Down Boy Down (20) : Survive a dog attack
Earn a Winged Dagger (20) : Complete F.N.G.
Eyes and Ears (20) : Find 30 enemy intel items
Four of a Kind (20) : Kill 4 enemies in a row with headshots in the single player campaign
Ghillies in the Mist (20) : Complete 'All Ghillied Up' without alerting any enemies
Look Sharp (20) : Find 15 enemy intel items
Make the Jump (20) : Infiltrate a cargo ship
Man of the People (10) : Save the farmer
Mile High Club (20) : Sky dive to safety on Veteran difficulty
New Squadron Record (20) : Complete the cargo ship mockup in less than 20 seconds
No Rest for the Weary (10) : Stab an injured crawling enemy
Piggyback Ride (20) : Carry Cpt. MacMillian to safety
Call of Duty 4 Game & Strategy Guide
Call of Duty 4 Intel Pieces
Cheats are unlocked by collecting the enemy intel pieces, which look like laptop computers, hidden throughout the campaign. Using these cheats disables the achievements.
2 Pieces: CoD Noir: Simply turns all gameplay turns black and white, giving the game a classic war movie feel.
4 Pieces: Photo-Negative: Inverses all of the colors of the game.
6 Pieces: Super Contrast: Dramatically increases the game's contrast, making the darks much darker and the lights much lighter.
8 Pieces: Ragtime Warfare: Gameplay goes black-and-white, dust and scratches fill the screen, it plays at 2x speed, and the music becomes piano music.
10 Pieces: Cluster Bombs: After one of your frag grenades explodes, four more explode in a cross-shape pattern.
15 Pieces: A Bad Year: When you kill enemies, they explode into a bunch of old tires.
20 Pieces: Slow-Mo Ability: By using the melee button, you can change the game to slow-mo and play at half-speed.
30 Pieces: Infinite Ammo: You won't have to reload. Doesn't work with single-shot weapons like C4 and Claymores.
Cll of Duty 4 Online
Golden weapons are a special camo that you get when you complete the complementary weapon challenges.You can access them by choosing the camo of the respective weapon.
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.
Rank 29 : Double Tab Perk Class 2
Rank 30 : Killer Challenges
Rank 31 : M1014 Shotgun
Rank 32 : Bandolier Perk Class 1
Rank 33 :Killer Challenges 2
Rank 34 : R700 Sniper Rifle
Rank 35 : Eavesdrop Perk Class 3
Rank 36 : Killer Challenges 3
Rank 37 : G36C Assault Rifle
Rank 38 : Overkill Perk Class 2
Rank 39 : Killer Challenges 4
Rank 40 : P90 Submachine Gun
Rank 41 : Frag x3 Perk Class 1
Rank 42 : Humiliation Challenges
Rank 43 : Desert Eagle Pistol
Rank 44 : Dead Silence Perk Class 3
Rank 45 : Humiliation Challenges
Rank 46 : M14 Assault Rifle
Rank 47 : Humiliation Challenges 3
Rank 48 : Humiliation Challenges 4
Rank 49 : Barret Sniper Rifleget
Rank 50 : Humiliation Challenges 5
Rank 51 : Elite Challenges
Rank 52 : MP44 Assault Rifle
Rank 53 : Elite Challenges 2
Rank 54 : Elite Challenges 3
Rank 55 : Commander Prestige Mode
Rank 55 : Golden Desert Eagle
Cal of Duty 4 Ranks
Rank 1 : Demolitions Class Weapon Class
Rank 2 : Sniper Class Weapon Class
Rank 3 : Create a Class
Rank 4 : Gun Challenges
Rank 5 : New Playlists
Rank 6 : M40 Sniper Rifle
Rank 7 : Last Stand Perk Class 3
Rank 8 : Boot Camp Challenges 1
Rank 9 : M4 Carbine Assault Rifle
Rank 10 : UAV Jammer Perk Class 2
Rank 11 : Clan Tag
Rank 12 : Mini Uzi Submachine Gun
Rank 13 : Bomb Squad Perk Class 1
Rank 14 : Boot Camp Challenges 2
Rank 15 : M1911 Pistol
Rank 16 : Martyrdom Perk Class 2
Rank 17 : Boot Camp Challenges 3
Rank 18 : M60E4 Light Machine Gun
Rank 19 : Sleight of Hand Perk Class 2
Rank 20 : Operations Challenges
Rank 21 : Operations Challenges
Rank 22 : Dragunov Sniper Rifle
Rank 23 : Claymore Perk Class 1
Rank 24 :Operations Challenges 2
Rank 25 : G3 Assault Rifle
Rank 26 : Iron Lungs Perk Class 3
Rank 27 : Operations Challenges 3
Rank 28 : AK-74U Submachine Gunget
This is a multiplayer-only mode, that you can get once you reach experience level fifty-five.
Instead of capping out at level fifty-five, Prestige Mode allows you to start again from level one, which you can do 10 times.
Arcade Mode & Cheat Options
Both Arcade Mode and Cheat Options unlock automatically when you complete the entire game on difficult.
You can find the Cheat Menu while in gameplay in the options menu.