James Gee, a professor of learning sciences at the University of Wisconsin, was profoundly humbled when he first played a video game for preschool-age kids called Pajama Sam: No Need to Hide When It’s Dark Outside. Gee’s son Sam, then 6, had been clamoring to play the game, which features a little boy who dresses up like his favorite action hero, Pajama Man, and sets off on adventures in a virtual world ruled by the dastardly villain Darkness. So Gee brought Pajama Sam home and tried it himself. “I figured I could play it and finish it so I could help Sam,” says Gee. “Instead, I had to go and ask him to help me.”
Gee had so much fun playing Pajama Sam that he subsequently decided to try his hand at an adult video game he picked at random off a store shelf—an H. G. Wells–inspired sci-fi quest called ...