In this issue, besides enjoying a graphic section completely remodeled, five new characters and six new stadiums, which will increase the variety of struggles and the characters have been rebalanced. Among the five new characters are: Poison, Hugo, Elena and Rolento, with their own unique play styles, bringing the number of characters that can select increased to 44 characters. This edition is an upgrade of the Arcade edition to new Ultra version, so if you have the Street Fighter Arcade Edition you can upgrade to Ultra Street Fighter 4 with this key.