Excellent game. I loved the artstyle and audio. The level design has a lot of potential, but its good overall.
The only thing that bothered me is that the text was pixelated when you use small screen size. To fix this, you should scale down the text and increase it's Font Size, Height and Width (if you are using unity). Do not scale down font size because it tends to loose resolution.
Overall, Great job :D
feel free to check out my game