There is a lot of mystery surrounding Future War's English language version. Wizard Video, a label well known for their large catalog of international horror movies, released the movie under the shorter title Future War at some point in the early-mid eighties. The video was, however, only available in Australia.
Rather than the full length dub that you might expect, Wizard took the unusual step of marketing it with only an occasional descriptive narration track, supposedly by lead character Wataru (his Japanese origins completely hidden behind his new identity of Robert Manning). To cover the silence left by this substitution there is a constant musical accompaniment of the original score mixed with new elements by Tangerine Dream and for the later climactic scenes tracks from the rock bands Rush and Asia.
This new voice-over paid little attention to the dialog of the original, completely altering the content of many conversions as well as changing the relationship of the main characters, making Laura Burt's girlfriend not sister to provide an added conflict to Robert's feelings for her.
The use of narration led to nearly all of the scenes being edited down, since it takes less time to paraphrase the onscreen action than it does to watch it in real time. This curtailing, plus removal of all sections concerning Japan's involvement as well as some of the bloodier scenes, brought the running time down from 125 mins to 90 mins.
Just who Wizard were aiming this video release at is perhaps the biggest mystery of all. With the narration only audio and adult themes it seems unlikely to have been the childrens market. The pop music score increases its appeal with teenagers but they are less likely to want to rent a cartoon, even if it is about war and armageddon. It seems the only likely crowd to show any interest in Future War, a narrated foreign cartoon about WW3 are the intellectual art-house crowd, not the largest video renting demographic!
No effort has been made to remove any of the on-screen Japanese captions or to hide the original language closing credits which still run their full course, to the strains of Only Time Will Tell by Asia. There are no credits for the Western production staff, no mention of the actor lending his voice to Robert Manning, nor even a credit for the various artists whose music appears.
All of this added up to make Future War one of the least marketable video rentals of its time and helped make it the curious obscurity it is today.
Elsewhere in the world Future War received video releases in Germany, which was still divided by the Berlin Wall. To the East it was known as Das Ende Alles Tage (The End of all Days) from Dynamic Film and Video and Western VCR owners rented it under Vegas Video's title of Null Zeit (Zero Hour). It also gained distribution in Italy. All of these version were the same edit as the Australian Wizard video but with narration in the relevant language and the pop music score replaced by classical music.