The author retells the origin story of Sierra On-Line and its historic first product, the graphical adventure game "Mystery House." She reviews the academic and journalistic writing that placed the story almost exclusively inside a narrative about early computer games, treating it as a saga of the competition between the graphic…

The authors discuss the impact of interactive digital games on the lives and the play of young children in terms of "Sesame Street"'s express mission to help children become smarter, stronger, and kinder. They conclude that such games have much the same effect as other types of play and call for more research to help use it.

The authors review several case studies of children engaged in rule-governed play and conclude that the process of learning rules--and of breaking them and making new ones--promotes what they call gamesmanship. They link the development of gamesmanship to the theory of Machiavellian intelligence, which considers social interaction primary in the…