Pretty fun, actually got spooked once, and the lighting, sound and ambiance are great, 3 spoopy 5 me. The animations are also really good, my only complaint is Sarah's face, but it isn't something that makes it unplayable or detracts from the game as a whole, just personal opinion, and will be even less of an issue when the character creator is added. I did notice, and then tested that the monsters seem to ignore Sarah if you have her sit/lean on the beds, couches, and tables, I don't know if this is intentional as just a test phase for being able to hide from them or a simple oversight, but it was pretty funny getting as many of them to follow as I could and then just sitting on a couch.
A couple of things I personally would like to see are female monsters, cowgirl and reverse cowgirl scenes, and a full nelson scene.
A few suggestions are different monster types that would make navigating more interesting, as of right now you can just walk past them all, spaces to hide from monsters, different weapons, a journal or datapad or something to give you an objective like "Find the Armory Key." An arousal stat that makes it harder to resist the higher it is would be cool as well.
I had a lot of fun with this build, and I look forward to the next one.