Call of Duty: Modern Warfare 2 Cheats (PS3)

Kill Streaks

3 kills - UAV - Shows enemies on the minimap.
4 kills - Care Package - Airdrop a random killstreak or ammo.
4 kills - Counter UAV - Temporarily disables enemy radar.
4 kills - Sentry Gun - Airdrop a placeable sentry gun.
5 kills - Predator Missile - Remote control missile.
6 kills - Precision Air Strike - Call in a directional airstrike.
7 kills - Harrier Strike - Call in a Harrier Strike.
7 kills - Attack Helicopter - Call in a support helicopter.
8 kills - Emergency Airdrop – Calls in four care packages.
9 kills - Pave Low - Heavy armored assault helicopter.
9 kills - Stealth Bomber – An undetectable bombing run.
11 kills – Chopper Gunner - Be the gunner of an attack helicopter.
11 kills - AC-130 - Be the gunner of an AC-130.
15 kills - EMP – Temporarily disable enemy electronics.
25 kills - Tactical Nuke - Deploy a tactical nuke (ends the game).

Unlockable                      How to unlock

Back in the Saddle (Bronze) - Help train the local militia.
Black Diamond (Silver) - Complete ‘Cliffhanger’ on Veteran Difficulty.
Blackjack (Bronze) - Earn 21 stars in Special Ops.
Charlie On Our Six (Bronze) - Earn 8 stars in Special Ops.
Cold Shoulder (Bronze) - Infiltrate the snowy mountain side base.
Colonel Sanderson (Bronze) - Kill 7 chickens in under 10 seconds in ‘The Hornet’s Nest’.
Danger Close (Bronze) - Get hand picked for Shepherd’s elite squad.
Desperado (Bronze) - Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
Desperate Times (Bronze) - Execute the plan to help the Americans.
Downed but Not Out (Bronze) - Kill 4 enemies in a row while downed in Special Ops.
Drive By (Bronze) - Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
Ends Justify the Means (Silver) - Complete ‘Contingency’ on Veteran Difficulty
First Day of School (Silver) - Complete ‘S.S.D.D’ and ‘Team Player’ on Veteran Difficulty.
For the Record (Silver) - Complete the Single Player campaign on any difficulty.
Ghost (Bronze) - Plant the C4 in ‘Cliffhanger’ without alerting or injuring anyone in the blizzard.
Gold Star (Bronze) - Earn 1 star in Special Ops.
Homecoming (Silver) - Complete ‘Of Their Own Accord’, ‘Second Sun’, and ‘Whiskey Hotel’ on Veteran Difficulty.
Honor Roll (Bronze) - Earn at least 1 star in each Special Op mission.
Hotel Bravo (Bronze) - Earn 4 stars in Special Ops.
Is That All You Got? (Platinum) - Earn all available Trophies for Modern Warfare® 2.
It Goes to Eleven (Bronze) - Earn at least 1 star in 11 different Special Op missions.
I’m the Juggernaut… (Bronze) - Kill a Juggernaut in Special Ops.
Knock-knock (Bronze) - Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
Leave No Stone Unturned (Bronze) - Collect 45 enemy intel items.
Look Ma Two Hands (Bronze) - Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
No Rest For the Wary (Bronze) - Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
Off the Grid (Silver) - Complete ‘Just Like Old Times’ and ‘Endgame’ on Veteran Difficulty.
Operational Asset (Bronze) - Earn all 3 stars in at least 5 different Special Op missions.
Operative (Silver) - Earn all 3 stars in at least 10 different Special Op missions.
Out of the Frying Pan… (Bronze) - Complete the mission in the airplane graveyard.
Pit Boss (Bronze) - Run The Pit in ‘S.S.D.D’ and finish with a final time under 30 seconds.
Prisoner #627 (Silver) - Complete ‘The Only Easy Day… Was Yesterday’ and ‘The Gulag’ on Veteran Difficulty.
Professional (Silver) - Earn all 3 stars in at least 15 different Special Op missions.
Queen takes Rook (Silver) - Complete ‘Loose Ends’ and ‘The Enemy of My Enemy’ on Veteran Difficulty.
Red Dawn (Silver) - Complete ‘Wolverines!’ and ‘Exodus’ on Veteran Difficulty.
Royale with Cheese (Bronze) - Defend Burger Town.
Soap on a Rope (Bronze) - Storm the gulag.
Some Like it Hot (Bronze) - Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
Specialist (Silver) - Earn 30 stars in Special Ops.
Star 69 (Gold) - Earn 69 stars in Special Ops.
Tag ‘em and bag ‘em (Bronze) - Find Rojas in the Favelas.
Ten plus foot-mobiles (Bronze) - Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
The Harder They Fall (Bronze) - Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
The Pawn (Bronze) - Assault Makarov’s safe house.
The Price of War (Gold) - Complete the single player campaign on Hardened or Veteran Difficulty.
The Road Less Traveled (Bronze) - Collect 22 enemy intel items.
Three-some (Bronze) - Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
Turistas (Silver) - Complete ‘Takedown’ and ‘The Hornet’s Nest’ on Veteran Difficulty.
Two Birds with One Stone (Bronze) - Kill 2 enemies with a single bullet in Single Player or Special Ops.
Unnecessary Roughness (Bronze) - Use a riot shield to beat down an enemy in Single Player or Special Ops.
Whiskey Hotel (Bronze) - Take back Whiskey Hotel.