Sword Art Online

A game called sword art online (SAO) got released, which is the first full VR environment game consisting of sword skills and other things, a boy named kirito tested it during beta and got a lot of information of how things worked in it and the creator of the game wanted to make the game as realistic as possible so he removed the log out button from the menu and made sure that If person tries to log out for outside VR the device they are using fries there brains out and the game consists of a floating castle called aincrad with 100 floors