Amazon description
A BRILLIANT MATHEMATICIAN TEETERS ON THE BRINK OF INSANITY AS HESEARCHES FOR AN ELUSIVE NUMERICAL CODE IN THIS CRITICALLY ACCLAIMED SCHIZOPHRENIC THRILLER. SPECIAL FEATURES: COMMENTARYBY DIRECTOR DARREN ARONOFSKY AND ACTOR SEAN GULLETTE, DELETED SCENES, INTERACTIVE MENUS, PRODUCTION NOTES AND MUCH MORE.