Instructions: Click on block groups of three or more to destroy them but avoiding clicking singles and doubles.
<a href="http://www.funpuzzlesgames.eu/index.php?og=Ultrablock+w%2F+Scores%3E%3E%3E%3E9f645b8b3c232abd&ogc=Puzzles" target="_blank">Ultrablock w/ Scores</a>