Breathing Room

Breathing Room also known as A Room to Breathe is a 2008 horror film written and directed by John Suits and Gabriel Cowan.

The strangers get to know each other. One is a recovering alcoholic, another is a teacher who teaches sixth grade English, and another works in sales Tonya says she is a psychology student. One of the strangers is kidnapped by an unknown entity however, another person finds her dead in the toilet. The game progresses once again, and another person finds a paper in a closed drawer. The note reads, Hint fourteen is the key, which seems to refer to Tonya, as she is the fourteenth contestant. A bespeckled man finds a paper in his pocket with the words Hint Jumble. Later on, another person is killed, and one of the strangers accuses the others of murder. Enraged, the same person screams to break one of the cameras.The prisoners find a mirror cabinet and use a hammer to break it. Inside, there is a black box, with serial written on it and containing flakes and a sealed paper. They open it and find the words, hint What is your favorite type of serial? In this game there are three. One rapist, one pedophile and one killer, find the killer, find the reason. The people ask each other more questions, and the host tells them they have a minute before someone is eliminated. One of them commits suicide by shooting himself in the mouth. Tonya pieces together a key. Amid further eliminations, the others learn that these killings are called curfews. Tonya discovers that the key could unlock one of the collars. Two people get into a fight that causes one of them to start frothing and die. Another person finds himself inside with the others. The new contestant name is Robert Tanner. Tanner later finds a black box containing bullets with another paper with the words Hint Bite the bullet. ........

Source: Wikipedia