That was great! The art is proficient and creepy, the soundtrack is cool, and the mechanics are highly competent. The atmosphere is simply excellent. I love the design of the creatures!
The volume settings are much appreciated! That being said, the default volume setting is a little loud.
The sound that plays when opening a locked security door is a bit louder than the other sounds. Is it tied to the volume setting?
All-in-all, great work!