It's about the size of a demo, and so the video is not only a first impression video, but also a full walkthrough, so spoiler alert!
7:16 Explanation of what you actually have to do in this game. (figuring it out on the fly myself)
13:10 Door slams shut and freaks me out :D makes my arm hair stand up.
Notes Of Obsession - Free Horror Game! First Hour Noob 60fps