My two cents.
Great game. Totally got me hooked after trying the demo. However:
- Way too easy. Or should I say, way too short. I finished the full game in just over 4 hours. And 1 of those hours was when I got stuck trying to force the intended solution for one level, finally got angry and came up with my own solution (One of the rocket levels, ended up not using the rocket).
- No, I was right the first time; way too easy. Once you find out you can pin stuff and lift the ball just using small 'lifts', it ends up being pretty easy and you don't need to conform to a lot of the preset layouts. Hell, a lot of the solutions don't require any of the preset 'furniture'.
- SPOILER ALERT - Last level is disappointing, simple and short. Was expecting it to go out with a bang but all I got was a whimper.
Overall, definitely worth the money but really needs to be tweaked a little.