Cube Zero is a 2004 Canadian science fiction psychological horror film written and directed by Ernie Barbarash, in his directorial debut. It is the third installment in the Cube series and a prequel to the first film.

Cube is a 1997 Canadian science fiction horror-thriller film directed and co-written by Vincenzo Natali. A product of the Canadian Film Centre's First Feature Project, Nicole de Boer, Nicky Guadagni, David Hewlett, Andrew Miller, Julian Richings, Wayne Robson, and Maurice Dean Wint star as individuals trapped in a bizarre and deadly labyrinth of cube-shaped rooms.