Wow! Awesome job! A very good rogue-like. It was very fun to play and I like the look of it.
I have some minor criticism/advice, especially against how well done the game is. You mentioned you were focusing on game feel / juice, so the following is my very amateur advice on that.
- Maybe have a weapon cycle key, like the key E. Trying to hit the 1, 2, 3 keys was a bit rough.
- Some comments have suggests a bigger playing field or small player/enemies. I think the size was fine, but I would suggest that enemies get pushed back a little or get stunned for 0.1 secs when they get hit. That may help with opening up space for the player to move around.
- The screen shake is fine for when the player gets hit, but maybe a small hit stop effect might be good. That might interfere with point 2 above though...
Super enjoyed the game. Keep it up.