Art and sound are very good, but at first I had no idea what to do, because I didn't see the candles and didn't realize that you could hide in stuff, making it very frustrating, because I died constantly and had to wait through the "intro" again.
After noticing the candles and reading in a comment that you can hide in things it became way more fun. The only thing I still found a little annoying was that the ghost sometimes detected me without me knowing why, but overall great job. :)