Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Diwaniya, Iraq ( 20 points )	Complete Single Player Story "Diwaniya, Iraq" on any difficulty.
Downtown District ( 20 points )	Complete Single Player Story "Downtown District" on any difficulty.
Judge, Jury and Executioner ( 10 points )	Take down Tom Reed.
Kobin's Mansion ( 20 points )	Complete Single Player Story "Kobin's Mansion" on any difficulty.
Lincoln Memorial ( 20 points )	Complete Single Player Story "Lincoln Memorial" on any difficulty.
Man of Conviction ( 10 points )	Allow Tom Reed to live.
Merchant's Street Market ( 20 points )	Complete Single Player Story "Merchant's Street Market" on any difficulty.
Michigan Ave. Reservoir ( 20 points )	Complete Single Player Story "Michigan Ave. Reservoir" on any difficulty.
Modzok Proving Grounds ( 20 points )	Complete CO-OP Story "Modzok Proving Grounds" on any difficulty.
Price Airfield ( 20 points )	Complete Single Player Story "Price Airfield" on any difficulty.
Russian Embassy ( 20 points )	Complete CO-OP Story "Russian Embassy" on any difficulty.
St. Petersburg Banya ( 20 points )	Complete CO-OP Story "St. Petersburg Banya" on any difficulty.
Survivor ( 10 points )	Battle your CO-OP teammate and survive.
Third Echelon HQ ( 20 points )	Complete Single Player Story "Third Echelon HQ" on any difficulty.
Washington Monument ( 20 points )	Complete Single Player Story "Washington Monument" on any difficulty.
White Box Laboratories ( 20 points )	Complete Single Player Story "White Box Laboratories" on any difficulty.
White House ( 20 points )	Complete Single Player Story "White House" on any difficulty.
Yastreb Complex ( 20 points )	Complete CO-OP Story "Yastreb Complex" on any difficulty.