I guess some context for Guilty Gear Revelator numbers. The game had a preorder demo that was only available with digital PSN preorders since about two months. The demo include the whole cast of the game that was available in the arcade version + training mode + arcade mode(basically, an early access version). I imagine that contributed to a bigger than usual cut in favor of digital sale... I hope so at least. ;p
Don't forget Versus Mode!
pretty sure sign also had an early access demo if you pre ordered so I don't think revelator having one would make that big of a difference in digital sales.
Demo was for PS+ and only 2 characters available and no Versus Mode...