 All the game modes and features in the previous PlayStation and Sega Saturn versions of the original "Alpha 2" are featured, with the exception of the exclusive "Gallery" mode in the Sega Saturn version.Evil Ryu, who was selectable in the Sega Saturn version of the original "Alpha 2" but not in the PlayStation version, is featured in both versions of the game, along with "Champion Edition"-style renditions of all the "Street Fighter II" characters featured in the game.This version includes the debut of "Super Street Fighter II" character Cammy in the "Alpha" series.