Svart Alfheim and the Accelerated World have begun to merge. In the midst of the chaos, Yui has gone missing. Kirito must challenge the Seven Kings of pure color from the Accelerated World to gain access to her location.

In the Americas, a limited time digital deluxe launch edition of the game will also be available. It will include two exclusive downloadable content packs.

Ordinal Scale Pack:
- Yuna - Playable Character
- Ordinal Scale Costumes

SAO Origins Pack:
- Sachi - Playable Character
- GGO Avatar Costume - Kirito and Sinon
- Knight of the Blood Oath Costume
- Fairy Dance Avatar Costume - Kirito