Sonic & Sega All-Stars Racing [Online Game Code] TAKE TO THE TRACK BY CAR, MONSTER TRUCK, BIKE AND EVEN AEROPLANE IN SONIC & SEGA ALL-STARS RACING. Explore stunning new circuits including Sonic Seaside Hill, Curien Mansion and Blizzard Castle as you zip around medieval castle ramparts, hurtle under lush rain forest canopies and tear through bustling city scapes in a frantic race to the finish line.