Actually, the number of players is potentially unlimited.
In response to Iran's Holocaust cartoon competition, Elder of Ziyon has announced his own contest: the Ayatollah Khamenei Cartoon and Poster Contest.
(H/T: Captain Heinrichs)
"There are countless horrible things happening all over the world and horrible people prospering, but we must never allow them to disturb our equanimity or deflect us from our sacred duty to sabotage and annoy them whenever possible." -Auberon Waugh