Nice game. The art style is nice, simple and clean and the music is fitting to it. However, as many have already said, the permadeath feels harsh and unnecessary for this type of game. Especially when the hit boxes seem to be bit janky and you can get hit by... something that was on a tile before?
While I liked the intent behind the UI font, for me it wasn't comfortably readable. Perhaps the dotted lines would work if the letters were smaller a bit?
Well done!