Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Ace (60 points)	Shot down 100 enemy planes in campaign mode.
Aces High (80 points)	Maximum experience reached with one pilot.
American Campaign (100 points)	Completed both USN Campaigns.
Carrier Killer (30 points)	A carrier was sunk in campaign game mode.
Cracking Good Show (80 points)	Placed first in multiplayer match with at least 6 players.
Destroyer Destroyer (20 points)	5 destroyers were sunk in campaign game mode.
Good Show (50 points)	Placed in top half in multiplayer match with at least 6 players.
IJN officer (60 points)	Won 5 multiplayer matches with IJN team.
Japanese Campaign (100 points)	Completed both IJN Campaigns.
Mind the Water (90 points)	Successfully landed on carrier at mission's end.
Multiplayer Ace (50 points)	Performed 3 kills in row in MP.
Multiplayer Veteran (60 points)	Played 15 multiplayer matches to the end.
Ship Sinker (40 points)	Sunk 20 ships in campaign mode.
Torpedo Master (40 points)	A moving ship was hit with a torpedo.
Torpedo Wizard (80 points)	A manoeuvring ship was hit with a torpedo.
USN officer (60 points)	Won 5 multiplayer matches with USN team.