Also known as: SAOHF, ホロウ・フラグメント
Sword Art Online: Hollow Fragment (ソードアート・オンライン －ホロウ・フラグメント－) is a RPG game published by Bandai Namco released in April 24, 2014 for the PlayStation Vita. It is set in an alternative Sword Art Online storyline, just like Sword Art Online: Infinity Moment.
A "Director's Cut" edition of the game titled Sword Art Online RE: Hollow Fragment was released on PlayStation 4 in July and August 2015, with new additions such as online play mode, additional bosses, among others.