Looks great, and I love the spooky vibes. The animated ghosts are super fun to watch float around.
The flashlight firing every couple seconds tripped me up a bit. Mostly because I had to stop and turn to use it, which got me hit a lot. Maybe the mouse could control where it points instead? Like, have it rotate around the player to follow the cursor. That might feel a bit more intuitive, even if it means adjusting some of the art setup.
Oh, and I like the song you chose!