Mary-Kate and Ashley - Winners Circle is another Game Boy Color game starring the Olsen twins, likely focusing on sports or competition. The gameplay might involve various mini-games or challenges, aiming to achieve victory in different sports or activities.  The specific type of competition is unknown without more details. More research is needed to identify the publisher.

Mary-Kate and Ashley - Winners Circle (USA)

Mary-Kate & Ashley - Get a Clue! (USA, Europe)