It is always nice to see a story with somewhat lenghty descriptions and I liked a lot all de detailing and change in format when inspecting documents, the diary and even the additional descriptions about characters or topics after clicking on them.
Only missing feature for me was sound, but it is pretty solid overall. And more importantly, it is an interestingly written story.
Edit: For some reason this comment was posted three times after posting once, so if they show up, that is the reason.