This is actually a really original little puzzle game. It took me a little while to wrap my head around the central conceit: you "charge" enemies to make them attack you (either by ramming you or by shooting you), and you use those attacks to clear your obstacles. And the number of levels (10) is impressive for a jam game.
I enjoyed this a lot, but it was a bit too hard for me. Good reflexes are needed to dodge the enemies and their bullets.
Thematically, I'm not certain what is going on here. It is difficult to read the sprites, and there is not really any animation. I would also have added just a bit more information on the HELP screen to help players get started.