[b]Sword Art Online: Memory Defrag[/b] (ソードアート・オンライン メモリー・デフラグ) is a mobile game of the [[Sword Art Online]] series released for Android and iOS on August 2016 in Japan. An international version of the game was relased in January 2017.

h4.External links
* "Official English website":[https://sao-md.bn-ent.net/en/]
メモリー・デフラグ