Kid mode (Jojos Bizzare Adventure
):


Defeat more than fifteen characters in survivalmode to unlock kid mode, which allows the characters to appearas kids.

Fight as Dio (Jojos Bizzare Adventure
):


Successfully complete arcade mode with Jotaro.

Fight as Evil Dio (Heritage For TheFuture
):


Successfully complete challenge mode with Dio.

Fight as Evil Dio (Jojos BizzareAdventure
):


Successfully complete arcade mode with Dio.

Fight as Hol Horse and Voing (HeritageFor The Future
):


Successfully complete challenge mode with Hol Horse.


Fight as Kan (Heritage For The Future
):


Successfully complete challenge mode with BlackPolnareff.

Fight as New Kakyoin (Heritage ForThe Future
):


Successfully complete challenge mode with Kakyoin.

Fight as Robber Soul (Heritage ForThe Future
):


Successfully complete challenge mode with KujoJotaro

Fight as Young Joseph (Heritage ForThe Future
):


Successfully complete challenge mode with Joseph.

Fight as Young Joseph (Jojos BizzareAdventure
):


Successfully complete arcade mode as Joseph.