As of now, iTunes only allows you to search for games based on release date or name when you click on the 'All iPod paid Apps' or 'All iPod Free Apps'. They also show their rankings of 'Top Paid Apps' or 'Top Free Apps' but that ranking it seems is affected by the length of time an app has been out there (total # of sales?). I believe there should be a way of searching for apps based on the rankings/stars that they have received from users. I have found many great games through this touchArcade website (which had hight ratings/stars) but many of these games are not even on iTunes list of top apps! I will try and find a link or place we can make this request of iTunes.