As anyone who has played the board game Monopoly knows, the pursuit of profit can lead people to do some pretty outlandish things — including creating dozens of Monopoly variations to market to a specific demographic. Originally made in 1903 as a way to help people understand progressive political economist Henry George’s “single tax” plan, Monopoly has since transformed into a global board game in which capitalistic land grabbing becomes a form of entertainment. November 19th marks “Play Monopoly” Day, so below are 20 variations which prove that there is no market into which Monopoly bigwigs will not tap: