Jack of the Circus is an achievement that requires the player to claim all of the circus equipment from Balthazar Beauregard's Big Top Bonanza.
These costumes can be gained through getting points in activities.
Costume Items Score Audience 1-500 Acrobat
501-1,000 Firemaker
(After The Firemaker's Curse)501-1,000 Clown 1,001-1,200 Ringmaster 1,201+