Call of Duty: Modern Warfare 3 Cheats

Frequent Flyer (10): Defend the Russian President. Complete "Turbulence" on any difficulty.
Get Rich or Die Trying (25): Have $50,000 current balance in a Special Ops Survival game.
I Live (10): Survive 1 wave in a Special Ops Survival game.
Informant (20): Collect 22 Intel Items.
Jack the Ripper (20): Melee 5 enemies in a row in Single Player or Special Ops.
Kill Box (20): Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."
M'nage à Trois (20): Destroy 3 tanks with a single 105mm shot in "Iron Lady."
Nein (20): Kill 9 enemies with A-10 strafing runs in "Scorched Earth."
No Assistance Required (20): Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.
One Way Ticket (10): Make it to Westminster. Complete "Mind the Gap" on any difficulty.
Out of the Frying Pan… (25): Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.
Overachiever (40): Earn 48 stars in Special Ops Mission Mode.
Payback (25): Complete "Mind the Gap", "Goalpost", and "Return to Sender" on Veteran difficulty.
Requiem (10): Escape the city. Complete "Blood Brothers" on any difficulty.
Sandstorm! (10): Assault the shipping company. Complete "Return to Sender" on any difficulty.
Scout Leader (35): Collect 46 Intel Items.
Serrated Edge (15): Finish a Juggernaut with a knife in Special Ops.
Storm the Castle (10): Discover Makarov's next move. Complete "Stronghold" on any difficulty.
Strike! (20): Kill 5 enemies with a single grenade in Single Player or Special Ops.
Survivor (20): Reach Wave 10 in each mission of Special Ops Survival mode.
Tactician (20): Earn 1 star in each mission of Special Ops Mission Mode.
The Best of the Best (100): Complete the campaign on Hardened or Veteran difficulty.
The Big Apple (25): Complete "Black Tuesday" and "Hunter Killer" on Veteran difficulty.
The Darkest Hour (25): Complete "Eye of the Storm", "Blood Brothers", and "Stronghold" on Veteran difficulty.
This Is My Boomstick (20): Kill 30 enemies with the XM25 in "Black Tuesday."
This is the End (25): Complete "Scorched Earth", "Down the Rabbit Hole", and "Dust to Dust" on Veteran difficulty.
Too Big to Fail (10): Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.
Unstoppable (40): Reach Wave 15 in each mission of Special Ops Survival mode.
Up to No Good (10): Infiltrate the village. Complete "Back on the Grid" on any difficulty.
Vive la R'volution! (10): Reach the church. Complete "Eye of the Storm" on any difficulty.
We'll Always Have Paris (10): Escape Paris with Volk. Complete "Iron Lady" on any difficulty.
Welcome to WW3 (10): Save the US Vice President. Complete "Goalpost" on any difficulty.
Wet Work (10): Take back New York Harbor. Complete "Hunter Killer" on any difficulty.
What Goes Up… (20): Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."
Who Dares Wins (40): Complete the campaign on any difficulty.

Achievements: Content Collection #1 DLC
A Baker's Dozen (35): Run over and kill 13 enemies with the snowmobile in the "Black Ice" Special Ops mission.
Ice in Your Veins (35): Complete the "Black Ice" Special Ops mission on Veteran difficulty.
Not on My Watch (35): Rescue all the hostages in the Special Ops mission "Negotiator."
Shotgun Diplomacy (15): Complete the Special Ops mission "Negotiator" on any difficulty.
Skilled Negotiator (25): Complete the Special Ops mission "Negotiator" on Veteran difficulty.
Slippery Slope (15): Complete the "Black Ice" Special Ops mission on any difficulty.

Achievements: Content Collection #2 DLC
Don't Tread on Me (15): Complete the "Iron Clad" Special Ops mission on any difficulty.
EMPressive... (30): Complete the "Kill Switch" Special Ops mission on Veteran difficulty.
Helipocalypse (30): Destroy 6 helicopters in the "Kill Switch" Special Ops mission.
High Roller (25): Complete the "Iron Clad" Special Ops mission on Veteran difficulty.
Not a Scratch (35): Finish with your tank at full health in the "Iron Clad" Special Ops mission.
One-Four-One (15): Complete the "Kill Switch" Special Ops mission on any difficulty.

Achievements: Content Collection #3 DLC
Dr0n3d (35): Complete the "Arctic Recon" Special Ops mission in under 3:30.
Stay Frosty (15): Complete the "Arctic Recon" Special Ops mission on any difficulty.
Sub Zero (25): Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Achievements: Content Collection #4 DLC
Apex(15): Complete the "Vertigo" Special Ops mission on any difficulty.
Flyswatter (15): Destroy all helicopters in the "Vertigo" Special Ops mission.
Pinnacle (20): Complete the "Vertigo" Special Ops mission on Veteran difficulty.
To Jugger or to Jugger-Naut (25): Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Achievements: Content Collection #5 DLC
Deer in the Headlights (45): Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.
Deliver This (25): Complete the "Special Delivery" Special Ops mission on Veteran difficulty.
Discriminating Buyer (15): Use exactly one of each care package in the "Special Delivery" Special Ops mission.
Handle with Care (10): Complete the "Special Delivery" Special Ops mission on any difficulty.
Lights Out (15): Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.
Siege (15): Complete the "Light 'Em Up" Special Ops mission on any difficulty.
Untouchable (25): Use only one self revive care package in the "Special Delivery" Special Ops mission.