Game may have been bugged for me, after the first monster encounter and going through some linear hallways I came across two doors, one red door was locked and the other blueish door would play the transition fade to black animation but I would just be left standing in the same spot when it faded back in and I found myself unable to progress after looking around some more attempting to backtrack.
It really nails the visual design though having it so you can only have a flashlight or weapon equipped at any time kinda makes monster encounters predictable. Since you can't really fight off something you can't see and the first two show up in well lit hallways, one can guess a dev wouldn't put a threat in the same place a flashlight is needed but I could admit to being wrong if this is done well, but having to potentially dance around a single light bulb in the dark sounds like a nightmare, the bad annoying kind if done wrong.
Keep up the good work this has some serious potential!
If you mean these two doors: 
The blue-ish one (the door on the left) should lead you to the next scene, so it's very likely that it bugged for some reason, sorry for that. The problem should be fixed by reloading the scene or playing again from where you left off (Select scene in the menu).
It's probably one of those one-time bugs, so (probably) it won't happen again.
I'll take into account what you said about the monster placement tho. I get what you're saying, and while one encounter from the last scene does try to improve this, I think I can add some more dynamics to some combat sections.
Thanks for the comment, I hope you enjoy the rest of the game ^^