Sega Corporation is a Japanese multinational video game and entertainment company headquartered in Shinagawa, Tokyo. Its international branches, Sega of America and Sega Europe, are headquartered in Irvine, California and London, respectively.
When Bowser and Dr. Robotnik team up to conquer first the real world where Sonic lives and then the Mushroom Kingdom, Mario and Sonic must team up to stop them.
