Guitar Hero franchise nets a billion

NPD group has reported that American retail sales of Activision's popular Guitar Hero music simulator franchise have put it among the top-selling game franchises of all time, earning over $1 billion in 26 months. Activision has reported sales of 14 million units and 5 million additional song downloads since the title's initial release in 2005. The fiscal year of 2007 ended with the company posting $1.5 billion net revenues.

Several sources report that the Pokemon series, which consists of over 30 individual titles holds the position of "best-selling video game of all time." Other sources say the Mario Brothers series is the best-seller of all time, with a total sales figure somewhere in the neighborhood of 195 million units.