Casinos of Atlantic City see first monthly decline of the year 2 days ago New Jersey regulator approves Caesars reorganization plan 5 days ago Seminole Tribe buys former Trump Taj Mahal at a steal 6 days ago. NJ Coverage Sponsored By:.ive never been gambling man song GAMBLING AND DELAWARE Gaming revenue is 50 percent more than nongaming revenue in Atlantic City. Some Atlantic City casinos have fared better than others as seven of the eight remaining resorts showed an improvement over last year’s results. The voters of New Jersey passed a referendum to legalize casino gaming in Atlantic City in In , the first casino opened. Since then, casino gaming has become a major business in "America's favorite playground," with annual gaming revenues of approximately $5 billion. Gambling in New Jersey includes casino gambling in Atlantic City, the New Jersey Lottery, horse racing, off-track betting, charity gambling, amusement games, and social gambling. New Jersey's gambling laws are among the least restrictive in the United States; legal.