Shrek: Hassle at the Castle is a 2D fighting game video game for Game Boy Advance. It is based on the movie Shrek and features characters from it. Players progress through the game playing Shrek, Princess Fiona, and Shrek's companion, Donkey. They travel through various chapters of the game that represent different stages of the movie. Source: Wikipedia, "Shrek: Hassle at the Castle", available under the CC-BY-SA License.