This document discusses why games are fun and why educators should care about games. It begins by defining what a game is, examining previous definitions of games, and proposing that a game exists in a unique mental state called the "gamestate." The document then outlines eight elements of successful game design: sensation, fantasy, narrative, challenge, fellowship, discovery, expression, and submission. It discusses specific considerations for educational games, including individual and interpersonal motivations. The document concludes by discussing gamification and thanking the audience.