: The film had to be edited seven times to avoid an NC-17 rating, primarily due to "emotional abuse" rather than just the gore.
: In a rare move for a feature film, the entire movie was shot in chronological order over just 28 days. 6.4Saw III
: Unlike many modern horror films, nearly all traps and transitions were filmed using practical effects and camera tricks rather than digital CGI. : The film had to be edited seven