Great game! The atmosphere is thrilling thanks to awesome ambient noises. I love the drawn-like visuals and the light monitor shader. The game mechanic is simple, still funny.
On penultimate day I was so deep in researching my "patient's" weaknesses that I forgot to patrol with flashlight and oh my - I regretted.
On that regard, I am unsure what to do to protect myself - periodically check right side I guess? Also I would like to see all discovered research notes in the patient record not just the latest one - this way I had to use pen and paper.