 An Israeli version of the game, "pitsuchim", has been a common pastime among young Israeli backpackers traveling the world, taking its name from a 1980s television quiz show.Another similar social game called "The rule of intertwined Datis" (Hebrew for religious orthodox Jews) is used by Religious Zionist Orthodox Jews, and a movie mocking the game called by that name has been produced by students of the Ma'ale school for video and media.The game is a form of testing the Small-world experiment.