Overall, the game was good.  The ambient sounds and mood was decent.  I enjoyed exploring the building and finding clues.  It was nice and short, as expected of a game jam entry.

There were a few issues in the windows version though:

I'm not sure why you added a second top down perspective.  It started glitching as soon as I entered the building and later just showed me the car park, which wasn't helpful.  Personally, I think it breaks immersion, which is important in a horror game.

The dialogue text started flickering, so I couldn't read it properly.

The collision detection on the stairs is off.  I kept getting caught on it.

Love the overall creepy tone and sense of unease throughout.

The split screen perspectives is also a very cool design choice.

Found the controls to be a bit clunky in spots as I was getting caught on edges when navigating up the stairs or moving between rooms, but would love to see that tweaked and refined as the rest of the game was fun to experience.

Great entry.

Short and sweet, you got to the point I’m a very effective way.  But I too had some performance issues on a system with a 4080, dropped below 10 fps a lot of the time.

I really like the atmosphere of your game and the BGM is nice.  I like the 2 perspectives you made with the camera . But when I played it, the framerate is pretty low (15-20 fps). And as SinisterLaugh said, the game is a bit short for a game like this. Anyway, you did a great job! GG!
PS: I used an Acer Nitro 5

My comments on the game as a non-designer and a somewhat old-school gamer:

Game is rather short (won't take you more than 10 minutes on the 1st playthrough, even if you struggle to figure out where to go first). Afaik, this is the first draft of a larger project, so it is pretty straightforward for now - get to the place, do the job, the rest of apartment building has not much of interest.

I liked the multiple ending approach, depending on how thorough you search the apartments. Player controls are rather clunky, which makes it hard to combat threats. In my opinion this adds perfectly to the horror element =) but might be frustrating at times.

I like the visual look of the game - simplistic but neat. Color palette and lighting choices create a nice creepy atmosphere, along with eerie music.

Story is just enough for a short game.  Eldritch abomination looks good, imo the best visual in the game, kinda wanted to see more of it being used in different scenes.

Overall a nice short horror (survival horror?) game. Will be checking for updates in the future, in case the game gets an expansion or smth.