The game is good up to level ten, after that, it is glitch after glitch. Timing out a ball, it hits the wall and just sticks there for a half second instead of bouncing off right away. Make a line and it is made all the way through, 5 seconds later it still hasn’t gone dark on the other side of it and a ball hits it and takes a life. Then there is also one that makes you restart the game because you draw a line, release, it doesn’t make the line, and you can’t draw any either. Even after closing the game, going back in, and hitting resume. I haven’t had any problems in the first ten levels, but I didn’t have a single smooth level at 11+.