-Improves upon the original in essentially every way. -Incredible sound/visual design and atmosphere. Equal parts beautiful and terrifying. -Systems are perfectly balanced. Each mechanic serves a purpose and contributes to the overarching narrative themes. You will be pushed to your limits and then kicked while you are down. -One of the most well-written and intriguing narratives in video games. -Exploitation of the interactive medium is unsurpassed. -One of the best explorations, in any medium, of the brutality and desperation of the human condition. -Outside of certain dreams, the closest thing you'll have to a religious experience.