How a real-life monopoly made Monopoly the world’s biggest board game Monopoly now accounts for nearly one-third of all global board game sales, largely thanks to Hasbro’s own expansion strategy. By: Mark Dent On New Year’s Eve, Monopoly celebrates the 85th anniversary of its patent. Its publisher, Hasbro, can toast the occasion knowing that its prized board game is more popular than ever. In 2013, Euromonitor pegged Monopoly’s annual revenues at ~$400m. By one estimate, that accounts for ~30% of all mass-market board game sales in the world — equivalent to Google’s share ...