style, which is a first for the Sonic series. In the holiday of 2007, Sonic Rivals 2 was released for PSP, featuring Tails, Espio and Rouge , 150 more collectable cards, and new play modes. Contents 1 Characters 1.1 Playable Characters 1.2 Supporting Characters 2 Bosses 2.1 Enemies 2.2 Unlockable Costumes