i think the only system it was made for that is actually missing, unlike the c64, amiga, and amstrad cpc and atar st i think, is the zx spectrum version. it was made, and was reviewed and given a very high rating in a spectrum magazine, problem though i think is that it wasn't released along with the other versions and before the law suit, so it's locked away somewhere and no one has it, except maybe for a few lucky half dozen in the world, like the creators and the people at those magazines who got a copy to review. id like to get in touch with the original authors myself and see if they would donate it to the world of spectrum. damn. :-(