<P> The next day, Tyson lies when he is forced to tell a truth during his medical school interview, and dies by stabbing himself through the eye with his' lucky' pen . Drunk, Penelope is forced by the game to finish a bottle of vodka as she walks along the roof's edge of their house . She falls from the roof just as she finished the bottle but is saved by her friends . After some online research to try and figure out what was happening the group meets a woman named Giselle, who is also a participant in a separate incarnation of the game . Giselle reveals that her friend Sam, the only other survivor of her incarnation of the game, was responsible for the game becoming a reality in the first place, due to his having wrecked the ruins of the mansion in Mexico . The "truth" choice can be chosen only twice before the player is forced to choose "dare" due to the way Giselle and her friends played the game originally . Giselle draws a handgun on Olivia and shoots, confessing that she was dared to kill her . Penelope jumps in front of Olivia and is killed instead . Failing to kill Olivia, the game forces Giselle to shoot herself in the head . </P> <P> Back at their house they attempt to do some more research when Olivia separates to find her charger . A homeless man has broken in to the house and the game uses him to force Olivia's turn . She chooses Dare so that way neither Lucas or Markie would have to and to prevent the game from forcing her to reveal to Markie a secret shes had for years regarding Markie's father's suicide . The game dares her to sleep with Lucas, drawing on her secret feelings for him . Markie, infuriated at the idea of it leaves . Lucas and Olivia complete the Dare but as they do the game uses Olivia to force Lucas to reveal the truth, that he cares for Olivia but that he truly loves Markie . </P> <P> Olivia and Lucas drive to Tijuana and meet with a mute woman and former nun from the church where they played the original game . The woman informs them that they are dealing with a demon named Calux, whom she first summoned to get revenge on the priest who was sexually abusing her and the other nuns many years prior . The demon possessed the game of Truth or Dare and can only be stopped if the last person who evoked it sacrifices their tongue into an urn and seals it with wax after an incantation . </P> <P> Brad is later dared to withdraw his father's gun and make him beg for his life . However, in the act, Brad is shot and killed by an approaching officer . At the precinct, the game comes to Olivia who chooses Dare to again avoid having to tell the truth . It dares her to reveal the truth anyway and she is forced to tell Markie that the night her father killed himself Olivia was present . Her father had been laid off, was drunk, and tried to force himself on to Olivia . Markie leaves the precinct upset and furious at Olivia for hiding this for so many years . In her interview with the detective overseeing the cases of all the deceased teens (Olivia's friends as well as the ones from Giselle's group) Olivia learns that Carter is Sam . She realizes that Sam is the one who destroyed the original urn with the nun's sealed tongue which released the demon back in to the world and the game . </P>

Whats the demons name from truth or dare