Videogames first came on the market thirty years ago as a marginal technological curiosity. Now they are virtually everywhere. Videogame sales have equaled movie sales. They are played by more adults than children, and game design can even be studied in college. Yet videogames are still often viewed as a minor form of entertainment, at best shallow, or at worst harmful. Now, Steven Poole argues that videogames are a nascent art for on track to supersede movies as the most popular and innovative form of entertainment in the new century.