Really like it. A fun concept to be sure. 4/5 for me. A few gripes though:
1) Time limit (ie the car level is perfect example where you DO provide a time limit)? Tell us what it is. 2) Timer shouldn't start before you lift off. 3) Provide better instructions on what you want us to do.
@romania356 - As soon as you enter Aeropolis, take the stairs to the left of the first merchant and shop. There is a guy next to the wall that sells the Aquamarine.
Now for me: Where can I buy/find Pixie Dust for the Brew quest?
First: When you click "Sound Off" please make sure ALL the sound actually turns off. Footsteps and the annoying whistle when taking off still comes through.