Every holiday season, a popular new video game causes a disproportionate amount of hype, anticipation, and last-minute shopping. But few of those games offer an entirely new way to play. Even fewer have ripple effects that reach far beyond the gaming universe. When Guitar Hero was released in 2005, challenging players to hit notes to classic rock songs on guitar-like controllers, it grew from a holiday hit to a cultural phenomenon that taught a new generation to love rock ‘n’ roll music. Along the way, it showed the video game…
