An empty town-Terror escape puzzle

A letter from my old friend makes me come to this town to find him. The dark, the dark is everywhere in this town. I don't know where my friend is and how he is. But I do know, there is something terrible in this town.

Features:
You have to find out the clues that lead to your firiend in this town.
You'll never know the puzzle waiting for you.
Face the dark! And whom should you trust?
Horrible hand drawing makes you get immersive in this town, just chanllenge your imagination.