 The versus mode is a free fighting mode where multiple players can box . The number of players can range from 0 – 2 ; both fighters can be controlled by either the computer or by a player . Initially there are only two playable characters ; additional characters become accessible by playing through the story mode . Although the characters are grouped by their boxing weight class , any character can be selected to fight another regardless of weight class . Players can choose from ten locations for the bout . Initially , the only available arena is the Kamogawa Boxing Gym basement . New locations become available once a fight occurs there in the story mode . 
