In 2015, the film was released on Blu-ray under the 88 films label as "Night Train Murders" in the UK. It is fully uncut.
The film was rejected for a UK cinema certificate in 1976 by the BBFC and later ended up listed as an official video nasty. It was released fully uncut (as "Night Train Murders") in 2008 on the Shameless DVD label.
This was the third highest-grossing foreign film in Hong Kong box office prior 1975, only behind two disaster blockbuster films, The Towering Inferno (1974) and Earthquake (1974).
Italian censorship # 66277 delivered on 27-3-1975.