Street Fighter II is the arcade sequel to the original Street Fighter and was developed and published by Capcom in 1991. Originally made for arcades, it was later released for other platforms, including that Amiga and PC.
Super Street Fighter II: The New Challengers (or simply Super Street Fighter 2) is the fourth chapter of the popular series of beat-em-ups based on the Street Fighter II arcade created by Capcom.
Street Fighter is a fighting game created by Capcom and released initially as an arcade in 1987. It is the first chapter of the fighting series that became popular thanks to the sequel, Street Fighter II.