I dislike the fact that when you get a new achievement, it has disappeared by the time the bar has filled up all the way to gold/perfect. And obviously, you HAVE to watch the bar fill up all the way. /pedanticOCD
You want to know a really cool rich dude? Notch. He became a millionaire because of one game. He charged 10 euros for that game at first. I would pay 15 dollars for this game, but sadly it seems like it would cost a ridiculous amount more to actually get anywhere..