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

  Guppy (5 points): Take a 3 star photo of any creature in Coral Reef. 
  Old Salt (10 points): Find and take a photo of Cap'n Lobster. 
  Depth Explorer (10 points): Take a 3 Star photo of the Angler Fish. 
  Living Dinosaur (15 points): Take a photo of the Coelacanth. 
  Blast Off (10 points): Take a photo of the Rocket Squid in flight. 
  By the Gods (10 points): Take a photo of Poseidon’s Trident. 
  Alvin (10 points): Take a photo of the Aquabot Explorer. 
  Nostradamus (10 points): Take a photo of the Mystical Moai Head. 
  Shell Collector (30 points): Find all of the hidden Collectible Shells in the 
  game. 
  Crypto Zoologist (30 points): Find all of the Special Items in the game. 
  Paparazzi (30 points): Fill your Favorites Photo Log with at least 50 photos. 
  Underwater Adventurer (30 points): Unlock all levels.