Great graphics and atmosphere and a creative mix of the different stories. Holmes, in particular, seems to suit almost any setting. Loved the little introduction animation and the subtly shifting moonlight.
Given the limited space for the clues I wasn't sure if it was a good strategy to grab all the notes before going back into the light. If I do I appear to win the game without sorting anything, so I guess Holmes is faster/smarter than me ;) Also, the gun doesn't seem to run out of ammunition for me.
Regarding the controls, it's a little fiddly moving between them but of note was switching between WASD for clues and arrows for moving. Since you don't allow movement in review mode I think it would probably have been fine to use them for movement as well.