Not much content, but every bit of that content is packaged and delivered so smoothly that it feels the work of professionals.
I adore the 2D pixely cutout aesthetic, and the music and sfx are quite fitting.
I would have liked to listen to the battle music more cleanly, but having it pause and resume really did enhance the "kill everything ASAP" feel of each stage.
My least favorite part was dodging shots. I had difficulty perceiving where I could safely move, but I'm not sure how it could be made more clear.
Touchscreen players might have an unfair advantage over mouse players.