Films such The Rocky Horror Picture show,
The Big Lebowski, The Evil Dead, Donny Darko, They Live, Mad Max are classed as Cult films. These films aren’t necessarily praised by Critics however they have amassed a cult following among fans
What makes these films great is the blend of special & practical effects, such as the Mad Max series which uses mostly practical effects to get the feeling of the movie is actually happening. Some of these films are seen as bad films but still have wide audience appeal. They manage this by having interesting stories, memorable characters and scenes.