In 1975, four astronauts, Dorothy, Doc, Charlie, and Steve, crash land on Mars when taking readings, with only four days of supplies.
An ancient curse and a killer ape are contained inside an old dark mansion.
A millionaire offers ten thousand dollars to five people who agreed to be locked in a large, spooky, rented house overnight with him and his wife.
Two low-life punks invite themselves to a party at a posh villa and after being taunted by their snobbish hosts, hold everyone hostage and subject them to various forms of torture and mayhem.