The Mary-Kate and Ashley games are a series of video games released between 1999 and 2002 that feature Mary-Kate and Ashley Olsen in various scenarios such as trying to solve crimes, caring for horses, or freeing a shopping mall from a curse.

[3] But was eventually cancelled due to South Park creators Matt Stone and Trey Parker stating that the game would not be fitting on the Game Boy Color as that console was marketed towards children.

A year later in 1999, the unreleased game's engine and assets were reused for two additional Game Boy Color titles from Crawfish and Acclaim - Maya the Bee & Her Friends, based on the Maya the Bee franchise which was released in Europe, and The New Adventures of Mary-Kate and Ashley, based on Mary-Kate and Ashley Olsen and was released in North America, being the first of the various video games based on the duo.

The settlement agreement came about because an audit of Acclaim's books showed that royalties due to the twins had not been paid.

The lawsuit included a letter from the twins' attorney, Martin Singer, that stated that Acclaim had "taken the franchise of the Mary-Kate and Ashley brand in video games which had flourished and has now run it into the ground.