Sword Art Online: Lost Song

Sword Art Online: Lost Song (ソードアート・オンライン -ロスト・ソング-, Sōdo Āto Onrain -Rosuto Songu-) is a Japanese action role-playing video game for the PlayStation 3, PlayStation Vita, PlayStation 4 and Microsoft Windows based on the Sword Art Online light novel series. It is the third video game in the series and is the successor to the 2014 game Sword Art Online: Hollow Fragment. The game was released worldwide during 2015; it was first released in Japan on March 26, and was later released in the PAL region and North America on November 13 and 17, respectively. Lost Song's story is based on an alternate timeline of Sword Art Online that does not follow the canon storyline of the light novels.