Its not a game anymore...

Sword Art Online is an Japanese Animation show made in 2012 that takes place in the 2020s, in the beginning of the series it features the characters in the very first Virtural Reality Massive Multiplayer Online Role Playing Game, Sword Art Online in the 100 floor high floating castle, Ainclad, what they didn't know is when the 10000 people who managed to buy the game, start up the game, their lives would be changed forever as the log out button is gone, and revival systems are disabled, and they would die in reality if they die in -game, they later on find out who has caused it and must go though the 100 floors of Aincrad to beat the game and leave Sword Art Online...