With thousands of people expected to receive Exeter Monopoly boards for Christmas presents, an expert is offering advice on how to win the game.
Peter Griffin has spent three years drawing up a formula - which includes buying lots of houses to create a shortage - and trading with other players to complete property 'sets'.
His top tip is to aim for the orange set which is the most landed-on on the board - rather than the green one which, although prestigious, is less lucrative.