I had a several problems with the game.
I gameplay was mediocre because of the unoriginal concept. The starting patterns were frequently unfavourable, (i.e. evenly mixed groups and checkered patterns), the result of which was running out of moves very quickly. Power-ups would not activate and be wasted if a block tied to them was clicked. Despite the possible strategic value, this was unusual for this type of game and felt out of place.
The start button claims there is an adventure, but there only "adventure" is a the normal sequence of numbers as you level up.
Graphics are good, but almost all of the assets are rasterized! They are simple shapes and could be kept unrastered, (and thus scalable), for most PC's. I'm sure the portability of this game influenced this decision but it looks ugly if you have to zoom in.
Finally, I don't know if it was a glitch but, once on level 5, I couldn't get the progress bar past 1%, (even at a score of 78,000)
Not terrible but it needs some tweaking to make it more fun.