Breathing Room

The name of this movie is Breathing Room released in 2008-08-25 and it's main theme is Thrown naked into a desolate room with thirteen strangers, Tonya discovers that she is the final contestant in a deadly game. Restrained by lethal electronic collars, the players must utilize hints and tools from a box marked pieces to find both an exit and the reason for their abduction. One by one the players are eliminated as their curfew begins and the lights go out. With each dead body comes another clue, which they use to discover that one of them is the killer. The question is ... which one?.