The idea is to kill little monster bacteria things by using little pills. You stack up red pills on red monsters, blue on blue... you get the point. By making a row or column of 4 or more, the monster is killed. Some boards have millions of little monsters!!
The control is excellent. If control isn't perfect in a puzzle game, then you might as well use it as a hockey puck.
The sound is very interesting. I can't really say whether I like it or not, but it's interesting
The funfactor is incredible
But one thing stops it from being a 5 star game. The graphics aren't bright enough. It's a real nit-pick call, but it really can drive me crazy. That's the only thing that barely hampers a great game.