Full list of all 71 Call of Duty: Black Ops trophies - 51 bronze, 18 silver, 1 gold and 1 platinum. The base game contains 51 trophies, and there are 4 DLC packs containing 20 trophies.

This section of IGN's Call of the Sea puzzle guide will walk you through the puzzles in chapter 1 of the game. You'll encounter these puzzles right away when you first step foot on the island.