Wow, I don't even know where to begin, this game is kinda of big, and really creepy!
The darkness, music, and heart beats accelerating as you lose your sanity is just frightening. Not to mention when you are running away from something, and then faces a dead end...
The art also really fits the ambience of the game, so that's awesome too. The only thing I would've added is an animation for the characters when they walk or stay idle. But don't worry, for me the game is still perfect!