Although simple, I really like the idea. The game is atmospheric and creepy and really keeps you on your toes. I love these types of horror games! I enjoyed going door to door, and exploring the different locations.
The main issue for me was the flashlight battery. I don't think simply increasing the battery would fix the issue. There should be some way to replenish the battery, either passively regenerating the battery, or maybe making the player search for batteries.
Also I couldn't find the artifact in the church location :D, but thats propably a skill issue. There was also a jumpscare in the forest(?) area(it was somewhere in the middle on the right side). When I picked the artifact up, a creature appears and runs towards you. In that moment I was facing the wrong way and didn't really see the jumpscare, I would suggest making the creature appear only when the player turns around, so that he can actually see it.
I also run into some performance issues, but that can be fixed later. Really solid submission overall!