I quite like the setup, artstyle and sound. It feels coherent and I like that in a game.
So as those foundational things are nice I'd appreciate just more content, expanding on the general idea of the game.
There is only one thing that really bugs me: The main characters walking cycle. And that is for two reasons: the movement speed of the sprite doesnt match the animations movement and it doesnt feel like a complete cycle.
That said I would love to see more :)