The most obvious is that, at certain points in a race, vehicles can alternate between car, boat and plane modes. Sonic & All-Stars Racing Transformed is a mascot-based racing game in which players race against each other using characters from various Sega franchises, although it features many new mechanics and improvements from the last game. the fourth and final installment in the Sega Superstars series. Sonic & All-Stars Racing Transformed is the sequel to Sonic & Sega All-Stars Racing. It was released for the PlayStation 3, Xbox 360, Wii U, PlayStation Vita, Windows 3DS, and IOS. Sonic & All-Stars Racing Transformed is a racing video game developed by Sumo Digital and published by Sega. Box art for Sonic & All-Stars Racing Transformed