The arcade version of the game was a clear evolution of the series, building upon what was already one of the most violent fighting game series in the industry. (blog.us.playstation.com)
However, we must supervise and make sure that neither dog takes things to an inappropriate level, such as violent fighting with each other. (buckeyedogtraining.com)
Added to this are some of the most violent fighting animations ever committed to screen. (theguardian.com)