In this visual novel, you become Victor van der Velde, better known as the Blood Angel Killer, and make the choices which determine his fate. Victor is the son of a South African gold mine owner and his Russian emigre wife who moved to Boston in his childhood, after riots forced the family out of their home nation. Life has been cruel to Victor, so you get to choose if you want him to be cruel back. Perhaps that's as simple as making Victor cheat on his wife or maybe it's having him sire children outside of his marriage? Or maybe it's something more sinister? As a young man, Victor resorted you hunted men and women, killing them and turning them into artistic grotesqueries, becoming the infamous Blood Angel Killer. That was a life which he once gave up. Choose his destiny! After all, in his middle age as a married father of two beautiful children, he thought that his days of killing werelong gone... but are they? You get to choose whether Victor becomes a murderer again, preying on the men and women of Boston or if he tries his best to keep his hands clean? After all, whatever you choose, Victor has much to atone for - he has a whole balance to restore. And what better way to restore that balance than to have him and his mistresses breed?​ Unlock all the endings! But it won't be easy... can you keep Victor good and succeed? Or will you make him bleed? Whatever you decide, you get to go back and keep deciding as there are many choices and multiple paths to take, all leading to a variety of different endings. The Boston Breeder is a dynamic visual novel where every choice matters.