This was a nice experience. I really liked the idea and the art. The game is on the harder difficulty and it really needs some balancing especially for the later enemies. I think you need to add more free items which you can find in the levels and raise the amount of money you get by selling the items. This way you simultaneously stimulate the player to explore more of the levels and also making it easier to improve your skill so you can have a chance fighting the harder enemies. I