Click on groups of blocks to wipe them.
Bigger wipes will score much more points.
Try and clear the level before the time runs out.
A perfect clear will earn you 5000 points.
Clicking a single block will lose you 1000 points.
In Time Attack you must try and clear 10 levels in 45 seconds (!)
A perfect clear will earn you 2 extra seconds.
Don't worry about losing points just go nuts clicking!