This Trophy is not to be missed upon playing story through.Use video information contributed by a fellow gamer. Two videos cover the whole story through game play - in a very good way to understand the puzzles you will have before you:
http://YouTube.com/watch?v=ZeI9Zc71ChAhttp://YouTube.com/watch?v=pZZ2KKCXlrsBe sure to always
give credit to the original creators of helpful game play videos, by up-voting on their hard works, realized by passion and effort.