Street Fighter IV is set in an alternate universe where the characters are trying to find their place in this new world. The story revolves around the return of Ryu and Ken, who must confront their past and face new challenges.
The gameplay involves one-on-one fighting matches with a variety of characters, each with unique abilities and strengths. Players can choose from a range of combat styles, including projectiles, close-range attacks, and special moves. As players progress through the game, they will unlock new characters, stages, and game modes.