So well all know that tracking versions of Capcom fighting games can be hard. This however has never been truer than with the Darkstalkers series, not only is every version renamed with its international release, but the series changes its mind about whether or not it wants to use numbers in the titles.   
 
Luckily I found this it's a vary informative History on the darkstalkers series, not only that but, it also covers the differences of the multiple versions. (like why their is 3 different Vampire 2 games) 
 
I hope if anyone still cares about darkstalkers they read through it, because the more you know the more you grow. :P

@TechHits said:

So well all know that tracking versions of Capcom fighting games can be hard. This however has never been truer than with the Darkstalkers series, not only is every version renamed with its international release, but the series changes its mind about whether or not it wants to use numbers in the titles.

Luckily I found this it's a vary informative History on the darkstalkers series, not only that but, it also covers the differences of the multiple versions. (like why their is 3 different Vampire 2 games) I hope if anyone still cares about darkstalkers they read through it, because the more you know the more you grow. :P

Or you could read the Darkstalkers Franchise page on this site I found called Giantbomb.com. Might not be as in depth but it's a good starting point for people who no nothing of the series.