Sword Art Online: Hollow Realization - online puzzles

Sword Art Online : Hollow Realization (ソードアート・オンライン -ホロウ・リアリゼーション-, Sōdoāto Onrain - Horō Riarizēshon -) is a video game developed by Aquria and published by Bandai Namco Entertainment for the PlayStation 4, PlayStation Vita, and Windows PC, based on the Japanese light novel series, Sword Art Online. It is the fourth video game in the series and the successor to Sword Art Online : Lost Song. Hollow Realization was released on October 27, 2016 in Japan, and on November 8, 2016 for North American and European territories.