Luckily, we’re on hand to set the record straight, by teaching you how to play Monopoly the right way - or, at least, the way it was designed to be played - and answering common questions about its rules. Not only do these house rules make Monopoly less fair - which is saying a lot for a game where most of the outcome already comes down to what you roll - they also make the notoriously long board game even slower to finish, dragging out its length across multiple hours and testing the patience of even the most stalwart of fans. Number of players, game length and overview.In fact, Monopoly’s popularity over the decades means that the classic board game has given rise to endless house rules and variants, many of which have been assumed to be the proper way to play by players who’ve grown up with them. So, surely, everyone knows how to play Monopoly by now? Monopoly is probably the most famous board game of all time, with a copy in every game cupboard and countless families set to bust out a timeworn copy over the Christmas holidays.