It was quick and not much detail of the environment. Many were too wide of rooms. Whatever was supposed to attack you appeared invisible so I had to watch the circles around the npcs. Since there seemed to be nothing in the rooms I left and went down the hall and then it was over....needs work.
-Add more details (halls are empty add chairs and paintings plenty of free content to use)
-Fix lighting (Too hard to see in most of the rooms you have to squint your eyes and try to see through the darkness)
http://www.northernfoxmedia.com/
Check here for free content, just read to make sure you can use anything if you are doing commercial! Not all stuff is eligible for free use in commercial projects.
Knowledge of the undead since the age of 4.
Z_E