Gets pretty boring after a while...just the same thing, clearing blocks that cost too much energy. I thought there would be new challenges as the game progressed so I kept playing...but alas...it was false hope... **Update: I added an extra star for 2 reasons; 1, I appreciate that the developer took the time to respond to my review when they realized I was unhappy. 2, I myself realized that just because a game doesn't suit me, it doesn't mean it terrible overall.