Sword Art Online: Lost Song is a Japanese Action / RPG based on MMORPGs but playable in single player. With a completely original storyline set in the universe of ALfheim Online, Sword Art Online: Lost Song includes new characters and sees the return of some old ones. Fans will be able to spend over 50 hours of games and quests in this virtual reality environment. And to go further, Lost Song will include new areas of air combat and many possibilities for customization.