The previous teaser Projekt #1514 video released by Bandai Namco has been revealed to be a new Sword Art Online game titled Sword Art Online Fatal Bullet!
SAO:FB is set in Gun Gale Online, the VRMMORPG in which majority of SAO 2 was set in. The Official Japanese Website for the game has not gone live, but Amazon already has the first details for the game.
Amazon Description:
WELCOME TO THE WORLD OF GUNS: Gun Gale Online from Sword Art Online II is visually enhanced, with many landscapes to discover in an all new original story supervised by series creator, Reki Kawahara
UNREAL VISUALS: Get lost in a lifelike world developed by Dimps with realistic and robust environments and textures made possible by Unreal Engine 4
Friend or foe: challenge tough bosses that require friends in co-op or play against them in 4-on- 4 battles
Realistic and heroic gun play: plenty of one-of-a-kind and beautifully Designed weapons to choose from and unique skills to create
New to Xbox One and PC: Sword art online is playable on Xbox One and PC for the first time in the history of the popular gaming series
Sword Art Online: Fatal Bullet is scheduled for release in early 2018 for PS4 and for the first time Xbox and PC as well.