Achievements
     Complete each achievement to receive the allotted gamerscore.

Admiral (20):           Earn every type of medal.

Big Booty (30):         Unlock all the secret ships.

Black Heart (20):       Win 50 Matches in total.

Cabin boy (5):          Complete the tutorial.

Death From Above (15):  Kill a non-airborne enemy while flying.

Hoarder (10):           Win every championship.

Ka-boom! (10):          Sink two enemies with a TNT

Master 
and Commander (20):     Win 15 gold stars in challenge mode.

Mine all mine! (30):    Collect over 5000 mines

Ram ram ram 
the boats... (15):      Use the ram power up and kill two opponents 
                        in one go with it.

Sailing Pretty (10):    Win 7 stars in challenge mode.

Salty Sea Dog (15):     Win 25 games online.