Equip your virtual reality helmet, the NerveGear, and start playing in one of the many virtual reality MMORPG worlds of Sword Art Online! Battle your way through the 100 floors of the steel castle of Aincrad to defeat mastermind villain Akihiko Kayaba and earn your way back into the real world! This spectacular MMO game is based on the illustrated novel series by Reki Kawahara and the anime series it inspired. Relive Kazuto "Kirito" Kirigaya's amazing VRMMORPG adventure for yourself with the Sword Art Online MMO!