Activision has announced that the DS version of Guitar Hero, Guitar Hero: On Tour, has sold in excess of 300,000 units in North America in the first seven days since its launch, making it the largest North American launch for the Nintendo DS in the company's history.

In addition, Guitar Hero: On Tour's performance ranks it as one of Activision's top 5 best-selling launches of any title on any platform in the company's history.

Guitar Hero: On Tour brings the popular Guitar Hero franchise to the handheld platforms for the first time delivering a unique gaming experience and challenging handheld gamers to prove their skills on the most diverse set list of master tracks ever offered in a Guitar Hero game.