65% of women, 35% of men aged 25-34 play games

Good thing to remember that there are many different types of "gamers".

Digital Game-Based Learning

From Educause review:

With the widespread public interest in games as learning tools, DGBL proponents now need to explain why games are engaging and effective and how those principles can be leveraged to best integrate games into the learning process.

101 Free Games

I often hear from libraries that they're looking for free games on the web to offer patrons beyond yahoo and pogo. Here's a nice list of some options.