Capcom Fighting Evolution is a crossover fighting game developed by Capcom and released in 2004. It features characters from various franchises, including Street Fighter, Darkstalkers, and Final Fight. Players can choose from a roster of 17 characters, each with unique abilities and fighting styles, to battle against opponents in one-on-one matches. The game introduces a unique system called the "Fighting Evolution" system, allowing players to switch between different fighting styles during matches. This adds depth to the gameplay, as players can adapt their strategies based on their opponents. The game is available on PlayStation 2 and Xbox.