Good! But also frustrating. The key to getting people to like games like these is not to make the levels too long. Or at least parts of the level. If I can get a straight line right 10 times in a row I can do it 100 times... But I'd rather only have to do it 10 times. And seeing as its unlikely I'm going to complete a level on my first try that 10 will be repeated many times. Its more bearable than having to do 100 in a row again and again, and less tiring too. Hell my fingers are tired after playing this game!
Having said that though I do like it. Its a clever little idea with some good music and an unseen take on the Ludum Dare. Overall a good job! Just could use a little polishing here and there and a bit less repetition.