Well, I may have been slightly sour going into it, but once I got lucky enough to beat 59, that ending was magnificent! :) This is actually one of the best games I've ever played on Kongregate, for sure. I only disliked a single level out of the entire thing, and the ending more than made up for that. This is one of those that I'll be recommending to people for a while.
Hmm. I don't like level 59. You basically just have to roll two natural 20s to get through, it has nothing to do with timing or careful manipulation of the pixel at all. A beautiful, hard as hell timing-it-just-right game for 58 levels, and then... Yeah. I don't want to spend half an hour trying to beat the level by rolling proverbial dice over and over and over... There's no improving, there's nothing you can learn or understand, unlike the other levels.
Unless I'm missing something about working with the blue magnets (entirely possible), color me disappointed.