This covers a lot of different values. How well you're put into the hero's role may also apply here. This covers the actual game music, as well as sound effects. Generally there will be about 10-15 unqiue scores to a game. Good music is enjoyeable to the ear and adds another depth to the game.
Music can, for some people, make or break a game.
Every noise coming from the game now falls under this category. This one's sometimes easy and sometimes hard. It is highly original, but it's done repeatedly, so it could be seen both ways. That doesn't belong in a review. This is to describe how well the plot progressed, how it brought the characters as well as the player in, and how well it flowed, as well as realism.