Street Fighter (ストリートファイター, Sutorīto Faitā), commonly abbreviated as SF or スト (Suto), is a fighting video game franchise developed and published by Capcom. The second game in the series is credited with establishing many of the conventions of the one-on-one fighting genre. The game's playable characters originate from different countries around the world, each with a unique fighting style. It is Capcom's third best-selling franchise behind Resident Evil and Monster Hunter, having sold 39 million copies worldwide. The first game in the series was released in 1987, since then, five other main series games, as well as various spin-offs and crossovers, have been released.
Street Fighter, designed by Takashi Nishiyama and Hiroshi Matsumoto, made its debut in arcades, in 1987. In this game, the player takes control of martial artist Ryu, who competes in a worldwide martial arts tournament, spanning five countries and 10 opponents. A second player can join in at any time and take control of Ryu's American rival, Ken.