3D Sex and Zen: Extreme Ecstasy is a 2011 Hong Kong erotic costume drama directed by Christopher Sun. It is notable for being marketed as the world's first 3D erotic film and is a remake of the 1991 cult classic Sex and Zen , loosely based on the 17th-century Chinese novel The Carnal Prayer Mat 百度百科 Movie Details Release Date: April 14, 2011 (Hong Kong).