Cruel World

Cruel World is a 2005 American horror comedy film produced and directed by Kelsey T. Howard. The film is about a psychotic man who loses a reality game show and subsequently kills the host. He uses the house where the show took place to film his own reality show. In the show, several contestants perform challenges, and the losers are killed rather than being sent home.

Philip Markham, who was a contestant on the show, comes to the home for a visit. Cathy is initially put off by his odd behavior, and feels more and more uncomfortable as Philip reminisces about the show. Philip tells Cathy he has sent out applications to colleges all over the country for his own reality show, which will take place in Cathys house. Philip then murders Cathy and her husband.Later, the contestantsfour men and five womenarrive. Philip reveals to them that after the first night he will not feed them. They go through different challenges, including locking themselves in coffins and trying to find the key inside. The challenges are more excessive than most reality show challenges, and often try to instill great fear into the contestants. ........

Source: Wikipedia