Bui - Complete Bui's arcade mode.
Elder Toguro - Defeat Younger Toguro in Dark Tournament episode 2.
Hiei - Win a tag team fight against five opponents with Hiei.
Kurama - Complete Kurama's arcade mode
Kuwabara - Complete Kuwabara's training against Kuwabara.
Younger Toguro - Complete Younger Toguro's arcade mode as Yusuke.
Yusuke - Beat Yusuke (CPU controlled) in any mode.