First, ignore the standard video game naming conventions. Pokemon H Version -v0.625 B- does not follow the typical "1.0 = Release" logic. The numbering here is hyper-specific:
Main issues
The specific version, "Pokémon H Version -v0.625 B-", hints at an internal project or experimental build. Without official details, enthusiasts and researchers have likely pored over any available data, looking for clues about its purpose, features, and place in the Pokémon universe's development. Pokemon H Version -v0.625 B-
As an unofficial fan project, this game exists outside of Nintendo's legal ownership. It is primarily distributed through underground forums and adult gaming repositories. First, ignore the standard video game naming conventions