In a simulated Massively Multiplayer Online Role Playing Game (MMORPG) setting, players find that they are trapped within the game and must explore and defeat enemies until they reach the highest levels of Aincrad to beat the game and free themselves from the fantasy world.

With an original story based on the Alfheim Online realm including new and returning characters and exclusive environments, fans will be more than happy to spend over 50 hours questing in the ultimate Virtual Reality universe! To make it even more exiting, Lost Song will feature all new Aerial Battles and plenty of customization features.

Sword Art Online: Lost Song takes place on Svart ALfheim, a mysterious new floating continent that comes bundled as a game update to the ALfheim Online virtual reality. Svart ALfheim will reportedly be a vast continent with a variety of zone types including plains, deserts, and tundra, amongst others. Each area can be freely explored on foot or by air.

The combat system is now split between land and air battles, which will greatly affect the way players fight. Land battles will be the primary way to do battle in dungeons, but outside of them players can choose to switch between the two combat styles.

Air battles turn player focus to maneuverability, allowing them to make use of the multiple axes during aerial combat and the strategy they bring. The ability to autoattack is removed in air battles, but players can choose to have lock-on targeting deactivated which will allow them to attack any part of an enemy's body.

Sword Art Online: Lost Song features cooperative online multiplayer, players will be able to choose their character and log in to a 16 person tavern lobby, where up to four players can form a party and embark on difficult quests that will present players with even greater rewards.