Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
First Termer ( 10 points )	Complete Training.
Flag over the Reichstag ( 15 points )	Finish Berlin.
Gunslinger ( 10 points )	Get kills using a pistol, rifle, submachine gun, and grenade in a mission without dying.
Old Glory ( 20 points )	Complete the American missions.
Pea Shooter ( 20 points )	Complete a mission using only a pistol and no melee attacks.
Rocket's Red Glare ( 15 points )	Finish Rocket.
Survivor ( 15 points )	Complete a mission without dying or loading a checkpoint.
Tank Breaker ( 15 points )	Finish Hurtgen.
Union Jack ( 20 points )	Complete the British missions.
Victory Banner ( 20 points )	Complete the Russian missions.
War Hero ( 30 points )	Complete the game on the hardest difficulty.
Won The War ( 10 points )	Complete the game.