ATLANTIC CITY — Monopoly is turning 80. Based on the real-life streets of Atlantic City, Monopoly is one of the world's most popular board games. The greed-driven game, in which competitors try to buy up all the property they can and collect as much cash as possible, has been played by an estimated 1 billion people in 114 countries. The city's mayor, Don Guardian, says Monopoly remains relevant in present-day Atlantic City, where the casino industry is shrinking, taxes are rising, and the city and state are racing to build new attractions less dependent on gambling to bring in tourists and their money. "The concepts of capitalism, money, buying up properties, raising the rent, buying out your competition kind of remain today, too," he said. "I couldn't think of a game that's more relevant for Atlantic City than Monopoly." Monopoly was "born" March 19, 1935, when Parker Brothers acquired the rights to the game from Charles Darrow. Here's how the game might look if its "birthday" were March 19, 2015: Continue reading here ... 80 years later, how would Atlantic City-based Monopoly look?