No, you basically play them 1 by 1. Refer to our links where you can find many Comer reviews. Before reading a walk-thru please refer to our hint section in the User Manual. Click here for a walk-thru by Mr. Bill. The demo reveals somewhere in the middle of the game.
Puzzles are integral parts of the storyline and are both meaningless and hard to fit in the demo.
We were trying to limit the demo size below 50MB so more people may wish to download. Not until someday Mac beats Windows, or at least as equally popular as Windows. This FAQ contains all the trouble-shooting information ever encountered. We will allocate resouces the best we can for your additional query. But I can hear sound while playing them individually using Windows.