Streets of Rage 4, known in Japan and Asia as Bare Knuckle IV (ベア・ナックルIV), is a beat 'em up game.
The game is set 10 years after the events of Streets of Rage 3, featuring recurring characters Axel Stone, Blaze Fielding and Adam Hunter, alongside two new characters, Adam's daughter Cherry and a muscular, cybernetically enhanced apprentice, by Dr. Gilbert Zan, called Floyd Iraia.