Storyline : Captured international assassins are locked up inside a high-tech bunker known as the Killing Chamber. To break out of this concrete hell they must duel each other, fight deadly ninjas and battle against gangs of masked maniacs. And... if they survive this, they will have to confront Snakehead: the lethal, deranged top dog who will stop at nothing to kill 'em all!—Anonymous
. Director: Raimund Huber
. Writers: Ken Miller
. Stars: Johnny Messner . Chia-Hui Liu . Ammara Siripong
. Release date: December 12, 2012 (United States)
. Country of origin: United States
. Language: English
. Taglines: I'm going to hell when I die.
. Genres: Action . Crime . Thriller
. Filming locations: Bangkok, Thailand
. Production companies: Epic Pictures Group
. Source: imdb.com