Welcome to Paranoia, the ultimate escape game. Rule #1: Nothing is real. Rule #2: One of you will die. Lucas and Chloe, two passionate gamers, decide to participate to Paranoia, a very exclusive escape game. After solving a first riddle, they make it to the location of the finale in an abandoned mental hospital, lost in a frightening forest. There, four other participants are waiting on them. They soon realize that only one of them will get out of there alive.

To exact revenge, the Liar Game office is revived. The target is only one person: Shin'ichi Akiyama. Because of new heroine Shinomiya, Shin'ichi, who kept refusing to take part in the game, finds himself in the game. Along with Akiyama, there's 19 other players competing for the prize of two billion yen. Omega, who revived the game, plays the game at the Liar Game office with Alice. Alice sets up the game, chooses the players, and sets the traps.

In Liar game: Final Stage, Players are encouraged to trust each other to win the tournament. However, a mysterious player named X is secretly plotting to sabotage everyone of their chances to win the LGT.