Absolutely loved this game! The atmosphere was so great, the warbly music in the background was so great and it really amped up the creepiness. The movement really made things super spooky, it makes the player feel restricted and there was always the feeling that something was behind the character. The house was well designed and can't wait to see what's in future updates! (Video below if anyone's interested!)
Only thing I would suggest would be to reduce the amount of points where you can go to, taking inspiration from At Dead Of Night. That might enhance the creep factor as player choices would be more limited and could be more well thought out.
Oh and wanted to report a glitch (Or at least I think it was one?). If the player picked up the key before the power outage happens, the game glitches out and the power comes back on as well as the fuse box breaks and not all the fuses are interactable.
Other than that, it was a fantastic demo and very much looking forward to more! Good luck for the project and stay safe!