OST and Graphics are really nice, good Job!
Teleports are randomly placed I guess, I liked when they were at a Deadend, but once I got a row of them in the rooms right from the Start and none at the ends, felt kind of odd, maybe influence their positioning somewhat?
The Camera moving in front of the Player feels to drastic, especially when only moving a tiny fraction from the left to the right etc., maybe move it further away when the curser is further away, not the full distance when the cursor is right next to the Player.
Took some getting used to the start weapon having such a short range.
One Time I got oneshot by one of those AoE bloodguys spawning right in front of me, but I guess that was just bad luck on my Part.
You can get caught on Corners quite easily, and enemies sometimes do aswell ( or in the middle of the Room) and then just stop doing anything until you shoot them down.
When you roll while reloading, it cancels your reload, but doesn't automatically ( or when pressing shoot) start it again afterwards, felt odd having to press R in those moments.
One Time I couldn't walk through the remaining shadow of a book I picked up.
When you move into the room with the 2 doorways on one side, only the doorway you moved through gets revealed, the other stays dark forever.
I kept running out of bullets, and since I never found a new weapon ( overall I found very few things, maybe I'm unlucky, maybe the spawnrate is just very low) I was forced to surrender every single run because my starting Gun had no ammo left and I couldn't damage any enemies.
Overall looks like a nice Game tho, definetely gave me that "1 more Run, this Time it'll surely work" feel and had me start over and over again until I got frustrated enough with the Lack of ammo on the starting weapon.