I agree with hend. The improvements made it a better game but please the "back"button is something that needs some tweeking. I sometimes press on it without warning or something. 4/5
Had a glith/bug at hard lvl3, when i finished the map (completed) the dialogue started, and ididn't want to read it. So i clicked continue very fast and now it's stuck and won't go back to menu. + it's not reported as a lvl complete.