Luck of level generator
When at first you don't succeed, try and try again, right? Well that's what the old adage says, although we're hard pressed to find a better example of where that's the truth than right here. The beauty of a randomly generated level is that even if it's a bit awkward to play at first or you're unhappy with the position of obstacles, they're likely to disappear entirely on your second try. Of course, you can revive by watching an ad or paying premium currency, but not really worthwhile.