Thank you for all the comments. I&#x27;ve got to run off to work, but I thought I would give some quick responses to your thoughts:
0) The general idea here is that there aren&#x27;t instructions, tool tips, or other helpful hints. You learn as you go by clicking around.
1) In my own testing of the game, I&#x27;ve found that kids like it this way and I&#x27;ve been surprised by how they can pick things up. Even my mother was able to make it through the game and she hasn&#x27;t written a line of code in her life. 
2) That being said, I&#x27;ve also tested the game on professionals and found that they don&#x27;t perform much better and sometimes are worse than the kids. They seem less willing to play around and make mistakes.<p>Just my two cents...