This was a great experience!! The graphics are well placed, the animations work, the movement feels fluid and the music is really good. You reached a perfectly crafted immersive atmosphere.
As great as your game is, there are some flaws that need to be polished. Instructions pass really fast, I'm not an english speaker and I read slowly, so I had to restart three times just to find how to pick an object. If you had no other option to explain the controls in the game, consider writing them in the itch.io page. I understand why you put that big shadow around the player, but it shortens the range of view, so enemies just appear and attack with no time to react, that feels unfair. As the enemies have no knockback from the knife, the game becomes even harder. Without a feeling of progression I just dropped even before getting upgrades. I know my problems could be summarized as skill issues, but I guess a better balance can be reached. Rember that you can make a game the hardest you can as long as the player feels that loosing is his fault.
I won't diminish your effort with those complains, you made an amazing job. Keep doing it as good as you do, there's a lot of potential here.