Amazing!
First off, I like the bitchin' resolution man!
This game is extremely entertaining, and VERY challenging. Best interactivity that I've seen in ANY game on Newgrounds! You took a simple concept and gave it so many different facets and angles to make this a truly innovative game. Props to you man.
Perhaps the only complaint I have about it is the whole ripple ring effect you put on EVERYTHING hahaha. I seriously think a mildly epilleptic kid would have a major seizure from this game hahaha. I'm exaggerating of course, but it does get a bit annoying. The music was also a bit lacking, but it's not like you pay much attention to it when you're furiously hacking away at the keyboard trying to match multiple ball colors haha. ;)
First game of it's kind (that I've seen at least). Brilliant!