Positives:
A very atmospheric game.
The sound design really added to the atmosphere.
It's great that the game has multiple endings.
Negatives:
The screen was a bit too pixelated. It created a great atmosphere, but I would have liked to see a little more. (Then again, I could also say: The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown.)
The gameplay was a bit too repetitive.