Greta game, I found a way to beat the game or at least to pass the levels quickly, all you have to do is place the cursor on the bottom wall, all you have to do then is dodge the balls from the top.
Its al right. Maybe add more style to it like blur, more attacks, special attacks, jumps different kids. A shop to buy weapons...etc
Its well done though! =)
Yes the screen is a bit narrow so you do have to guess what's next. The hoop thing is quite original and well done so congrats on that. I would make the jump charge a bit faster...
You need to improve graphics, and recharge bar sped and you must add mouse aim control or else its very monotonous. Plus you should add team platers with AI to make it even better. Good start