According the Casual Games Association, the casual gaming market is growing by a good 20 percent every year. CGA estimates that over 200 million people play casual games every month over the Internet. What’s the most popular?

The most popular casual games will come as no surprise and include: Solitaire, Tetris, Bejeweled, QQ Games Collection, Diner Dash, and Mystery Case Files.

The CGA study also concludes that there are slightly more women casual gamers, paying casual gamers average between 7-15 hours of play a week, and that each session generally lasts between five and 20 minutes.

The full report can be purchased at CGA’s official website.