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.
Darkseid and his army from Apokolips arrive and invade Sonic's world in search of the Chaos Emeralds. This will trigger a Chaos Crisis. Sonic and his friends will team up with the Justice League to protect your dimension.