Ferris Mueller’s Day Off is all about searching for a mule that is off sick. It is your role as the headteacher and owner of Ferris to find him and bring him back. Speak to the townspeople and solve puzzles to find the 9 golden carrots that Ferris has hidden for you to locate. A built in hint system included at no extra cost to ensure you never get stuck for too long. says Ferris Mueller, a barnyard mule.