The second medium can technically be classified as a hard because of all the quitters that play this game. It's time to grow up kids, losing is not a big deal, because it's just a game.
I have been addicted to this game ever since I started playing it. It needs API in order to qualify for badges, but hopefully the developer will add API.
Bubble Bubble Toil and Trouble Badge
(60 points - 1,989 awarded)
Complete every available level without losing any lives
You acquired this badge on Feb. 16, 2010. FINALLY!