This is slightly scary. There are no big bangs or scary monster faces. Just unease, then dread and then realisation.
Okay, this was fun to watch. But imagine if there was a Kinect/Structure Sensor involved. It scans in your environment and re-makes your surroundings into the surroundings of the game. So it’s not someone else’s house or someone else’s sofa, it’s your house, it’s your sofa.