Harry Potter: Quidditch World Cup demo - Version 4.0.0.0 Take to the air in the first game that allows players to fully experience the magical speed, power, and competition of Quidditch, the favorite sport of witches and wizards. Quidditch involves two teams of seven players who fly on broomsticks, playing four balls simultaneously. Players control every position on their team, including three Chasers, who try to score with the Quaffle; two Beaters, who control the dangerous Bludgers; the Keeper, who protects the goal; and the Seeker, who chases the elusive Golden Snitch that must be caught to end the match.