Quidditch - a fictional sports game that is played by the characters of novels Joanne K. Rowling's Harry Potter. The play Quidditch, flying on broomsticks. The game was called after Kvirditch marshes, where it was invented. Quidditch is a competitive sport in the Wizarding World of the Harry Potter universe, featured in the series of novels and movies. Matches are played between two teams of seven players riding flying broomsticks, using four balls: a Quaffle, two Bludgers, and a Golden Snitch.