Complete each achievement to get the allotted gamerscore.

Achievement	How to unlock
Beginners Luck ( 10 points )	Score a hit on your first turn
Captain Win! ( 10 points )	Win one game of Battleship against a friend
Destroyer'd! ( 20 points )	Sink your opponent's Destroyer before any other ship
Escort Mission ( 30 points )	Finish a game with two ships still afloat that are next to each other
I thought I heard singing... ( 10 points )	Do not fall for a Decoy
Iron Bottom Sound ( 30 points )	Sink all your opponent's ships in Salvo Mode within 4 turns
Make Every Shot Count ( 20 points )	Sink a ship longer than 3 units without missing
Minimal Loss ( 20 points )	Win at Battleship while keeping at least 3 of your fleet afloat
Sea Commander ( 30 points )	Win 20 games of Battleship
The hunt for Blue November ( 20 points )	Win a game of Battleship Salvo with your submarine still afloat