Sonic Rivals is a high-speed, platform racing game exclusively designed for the Sony PlayStation Portable (PSP). Released in 2006, it merges the adrenaline-pumping thrill of racing with traditional Sonic platforming. Players can choose from multiple iconic characters, including Sonic, Knuckles, and Shadow, each with unique abilities. The game features vibrant, 2.5D graphics, and levels filled with obstacles, power-ups, and boss battles. Players compete head-to-head in fast-paced races to determine the ultimate rival, striving to reach the finish line first while sabotaging their opponents.