Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

  Arsenal (10 points): Upgrade all units to level 3 in a single online match. 
  Atlantis Rising (10 points): Complete the Atlantis Rising campaign. 
  Deep 6 (20 points): Get 200 depth charge kills. 
  Dive Master (10 points): Get 100 kills. 
  Frenzy (30 points): Complete each chapter on the Ultra difficulty setting. 
  Humanity's Hope (10 points): Complete the Hope of Humanity campaign. 
  Hydropwnage (20 points): Win an online Conquest match by taking all of the 
  control points (get a shutout). 
  Life Aquatic (15 points): Upgrade all units, all races to level 3. 
  Lord of the Deep (35 points): Get 10,000 kills. 
  Navy of One (10 points): Take over 100 control points. 
  Nemo's Wrath (10 points): Complete the Nemo's Wrath campaign. 
  Swim Pals (20 points): Complete each chapter in co-op mode.