Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
300% Accuracy (20 points)	Destroy 3 ground vehicles with one bomb.
A Confirmed Kill (30 points)	Shoot down an enemy fighter with a rocket.
A Private Party (50 points)	Shoot down all V-1 rockets headed for London (single player).
Ace of the Skies (30 points)	Shoot down 6 planes in under a minute.
Air Superiority (50 points)	Shoot down 300 fighters in Campaign mode.
All aboard... (10 points)	Stop the train before it reaches the railway station (single player).
Blood, Toil, Tears and Sweat (20 points)	Win all duels with enemy ace (Eastern Winds).
Divine Thunder (50 points)	Defend all battleships at Iwo Jima (single player).
Eastern Winds (30 points)	Finish the Russian campaign (single player).
Famous Ace (40 points)	Earn all medals and the highest rank in all missions (Eastern Winds).
Flying Hunter (10 points)	Sink 5 ships in under a minute.
God Save the King (30 points)	Fly under every bridge in London.
I'm Not a Rookie (40 points)	Earn all medals and the highest rank in all missions (The Sands of Africa).
Moving Target (50 points)	Drop a bomb on a plane during takeoff.
Test Pilot (50 points)	Finish a single mission in Simulation mode (other than Baptism of fire).
The Onslaught (100 points)	Finish act I (single player).
The Road To Victory (100 points)	Finish act II (single player).
The Sands of Africa (30 points)	Finish the African campaign (single player).
Trigger Happy (30 points)	Launch more than 100 rockets in a single mission.
Two Heads are Better Than One (30 points)	Play a co-op mission.
V for Victory (50 points)	Finish all missions on HARD difficulty level (Act I and II).
War Hero (150 points)	Earn all medals and the highest rank in all missions (Act I and II).