Make no mistake though, this is a game about puzzles and the plot is secondary. And there are puzzles aplenty. Many involve math and not just any old math, but a new system of counting indigenous to the culture of the planet on which you are shipwrecked. Some involve using your auditory senses, but what you will hear is an entirely foreign language that you must then decipher.
A few thoughts about the double-sided DVD-version of Schizm: