Sword Art Online. Poster of the 2012 TV series and cover of the 2009 book
VS3
Sword Art Online
Reki Kawahara, 2009
TV series vs book
Tomohiko Ito, Manabu Ono, 2012-

The year is 2022, and gamers have lined up on launch day for Sword Art Online, a hotly-anticipated MMORPG that lets players connect to an immersive virtual reality world with special helmets called Nerve Gear. Kirito is one such gamer who’s eager to jump back into action, having spent a great deal of time as a beta tester, and quickly becomes friends with newbie warrior Klein.


Sword Art Online: The Movie - Ordinal Scale. Poster of the 2017 movie and cover of the 2009 book, Sword Art Online
VS3
Sword Art Online
Reki Kawahara, 2009
movie vs book
Tomohiko Itô, 2017

In the year 2026, the Augma is released to the public as an alternative system to the AmuSphere, as it projects a game layer on top of reality while the player is conscious, rather than using FullDive. The most prominent combat-based game is Ordinal Scale, in which a player’s abilities are ranked by ordinal numbers.


Sword Art Online Extra Edition. Poster of the 2013 movie and cover of the 2009 book, Sword Art Online
VS3
Sword Art Online
Reki Kawahara, 2009
movie vs book
Tomohiko Itô, 2013

Kirito and some of his new friends look back at the events of season one. Kirito recalls his defining moments while Suguha learns to swim with the help of Asuna and other girls who fought alongside Kirito.