Thanks for the video, appreciated! There's quite a lot more after the ladder if you want to check back on it.
I am genuinely enjoying this game: here is part 2. I plan on finishing the demo so expect a part 3.
Things of note:
There is a module in the messy room and a security desk where where i feel like i could jump over it IRL but because i can't jump in game I have to go around. It's a bit immersion breaking. I think you need to add some glass or some addition barriers to really sell the fact that you have to go around. The environment should tell me what I can do rather than having to focus on the limitations in the game mechanics.
There is a small gap between a water tile in the sewers.
The pallets (the wooden things) are a too low res even for your game, it breaks the otherwise fairly consistent art style.
The sewers are a bit too labyrinth and samey. It could benefit from some hall marks.
There is a large flesh thing in one of the offices i wasted a bunch of bullets on and wasn't able to kill it. Everything in the game indicates that i should be able to kill it after wasting 12 or 18 shots, I decided it wasn't worth it. Not sure what your intention is but I feel tricked into wasting so much ammo.