| http://www.w3.org/ns/prov#value | - There is also plenty to unlock in the game to keep you playing, by playing the Superstars" mode you play though different challenges against characters from loads of classic sega games such as sonic, golden axe, after burner etc. completing the challenges for all the games unlocks new mini games you can play in single or multiplayer, new characters with different power ups and new songs.Overall t
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