The Saturn version was the only console port at the time to feature Evil Ryu, EX Zangief and EX Dhalsim, the latter two being Zangief and Dhalsim with their move set from Street Fighter II': Champion Edition (meaning they can't air-block or use Super Combos and such), in addition to Original Chun-Li and Shin Akuma, who were in all the other console versions. Like in the first game, the final boss varies between fighter and there is also a secret rival character that will challenge your character once certain conditions has been met.
Bison, Akuma and Dan now serving as regular fighters), plus 5 additional fighters (Sakura, Gen, Rolento, Zangief and Dhalsim). Street Fighter Alpha 2 features all 13 characters from the original Street Fighter Alpha (with M.