Sonic, Tails, and Knuckles receive a special invitation to compete in the prestigious King of Iron Fist Tournament. Entering the tournament as a united team, they fight alongside powerful allies while facing formidable and sinister opponents from around the world. Their greatest challenge awaits in Kazuya Mishima, the ruthless leader of the G Corporation. To stop his ambitions and restore peace, the trio must overcome every battle, defeat Kazuya, and claim the title of King of the Iron Fist Tournament.
