Also known as: インテグラル・ファクター, SAOIF
Sword Art Online: Integral Factor (ソードアート・オンライン インテグラル・ファクター) is a mobile game in the Sword Art Online series released for Android and iOS on November 30, 2017, in Japan, and internationally on March 27, 2018. A PC port has been released on Steam on August 22, 2023.