Sword Art Online: Hollow Fragment, the PlayStation Vita game based on the popular novel series and anime, has sold over 400,000 copies worldwide.
Bandai Namco announced the sales number in a new Japanese TV commercial, shown below. The end of the commercial promotes the recently announced sequel, Sword Art Online: Lost Song, which will release on not only the Vita but also the PlayStation 3.
Watch the announcement trailer for SAO: Lost Song here and read our review of SAO: Hollow Fragment.
Source: Anime News Network