In a post-IGN interview, Stahelski said he and the film crew want to make things right and are working on the film to make sure its faithful. You know how game adaptions can go. So took time, and did that right. We worked very closely with developers so that we can keep working at what’s great about this. The book “War on War of War” is an action-adventure game created during the first mongol invasion of Japan in which players take over a man named Jin Sakai as the main character. The game sold six million copies in the world, and even the Directors Cut rerelease was introduced for PS4 and PS4. The game has also been updated with constant updates. You can read all of that here in our archives. Source: IGN.