Overall, this was a good, simple game to play. I like games where they are addicting, but not too rageworthy and/or hard. The last few levels, especially level 10, were quite difficult to understand, and I had to consult the walkthrough on level 10. Even still, the difficulty curve wasn't too bad, as the first six or so levels are pretty easy to get by in my opinion. Sometimes, I felt that the controls didn't always respond, especially with the double jumps, but that may be just my keyboard.