Virus

It was the most expensive Japanese film made up to that point.

It is highly improbable that any systems (even nuclear launch systems) could be still powered after a full year with out someone alive to maintain them. If all human operators would vanish from a nuclear power plant it is safe to assume that something bad would happen very soon.

The Japanese version mixes English and Japanese writing during the opening credit sequence. The English-speaking actors' names are in English and the Japanese cast and crew members' names are in Japanese.

As of 2006, the full 155-minute version of this film is officially available on DVD in the United States. BCI Eclipse released the full Japanese version in anamorphic widescreen as part of their Sonny Chiba Action Pack, which also includes the films Golgo 13 and Bullet Train (which are also featured in anamorphic widescreen transfers). This release keeps an original Japanese title card and the Kadokawa logo before the film begins, which is something that the deluxe Japanese DVD set deletes (albeit, it is an inconsequential deletion). The BCI Eclipse release is not the butchered 108-minute cut. It is labeled on the box as the "Uncut International Version".

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