Knock Knock, an odd little Russian game from odd little Russian developer Ice Pick Lodge (of which I'm a bit of a fan).
An insomniac trying to survive/stay sane until morning in an ever changing house haunted by what may be demonic creatures or what could just be the creations of his own sleep deprived mind....
...I think. It's probably too early to call, and it plays its cards quite close, but whatever it is it's interesting.