Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Fly Swatter (30 points)	Kill an enemy with the AA Mine.
Killing Me Softly (20 points)	Get a kill in the ACV.
No Parley (30 points)	Get a kill with the old cannon.
Spotted (20 points)	Climb the highest point in Naval Strike.
The Big Leagues (20 points)	Play a round of Carrier Assault.