This game is also available on PS3.
Retro Game Tips for Call of Duty: Modern Warfare 3 (Xbox 360)
Achievement: Up to No Good (10)
When:
During game
How:
Infiltrate the village. Complete “Back on the Grid” on any difficulty.
Submitted By:
Achievement: Sandstorm! (10)
When:
During game
How:
Assault the shipping company. Complete “Return to Sender” on any difficulty.
Submitted By:
Achievement: Kill Box (20)
When:
During game
How:
Kill 20 enemies with the Chopper Gunner in a single run in “Return to Sender.”
Submitted By:
Achievement: Wet Work (10)
When:
During game
How:
Take back New York Harbor. Complete “Hunter Killer” on any difficulty.
Submitted By:
Achievement: Carpe Diem (10)
When:
During game
How:
Escape the mountain safe house. Complete “Persona Non Grata” on any difficulty.
Submitted By:
Achievement: Serrated Edge (15)
Achievement: Back in the Fight (5)
Achievement: Frequent Flyer (10)
When:
During game
How:
Defend the Russian President. Complete “Turbulence” on any difficulty.
Submitted By:
Achievement: One Way Ticket (10)
When:
During game
How:
Make it to Westminster. Complete “Mind the Gap” on any difficulty.
Submitted By:
Achievement: Welcome to WW3 (10)
When:
During game
How:
Save the US Vice President. Complete “Goalpost” on any difficulty.
Submitted By:
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