In addition to the game's multiplayer modes, the game also features a single-player story mode with a plot revolving around a mysterious object called the Pandora. In the game, players select two characters and face other duos in tag team fighting matches, in which the objective is to knock out one of the members from the opposing team. Street Fighter X Tekken is a crossover fighting game developed by Capcom and features characters from both the Street Fighter franchise and Namco's Tekken series.