I just bought Dead Space 2 yesterday, and tried to play it when I got it back to my apt. I selected the "normal" difficulty setting. But as soon as I start playing, I die not 10 seconds after my game starts...I walk through a doorway on the left, and again another doorway on the left after the first, and right when I walk through I get jumped on and killed. I can't seem to find another passage to go through. Am I going the right way?? Is there another way to go??