Super Street Fighter II: The New Challengers is a competitive fighting game produced by Capcom and originally released as an arcade game in 1993. It is the fourth game in the Street Fighter II sub-series of Street Fighter games, following Street Fighter II: Hyper Fighting. It refines and balances the existing character roster from the previous versions, and introduces four new characters. It is the first game on Capcom's CP System II hardware, with more sophisticated graphics and audio over the original CP System hardware used in previous versions of Street Fighter II.

Street Fighter II: The World Warrior is a 2D fighting game developed by Capcom and originally released for arcades in 1991. It is the second installment in the Street Fighter series and the sequel to 1987's Street Fighter. It is Capcom's fourteenth game to use the CP System arcade system board. Street Fighter II vastly improved many of the concepts introduced in the first game, including the use of special command-based moves, a combo system, a six-button configuration, and a wider selection of playable characters, each with a unique fighting style.