Below, readers will find a complete list of licensed gambling sites, bonus information, an explanation of state gaming laws, FAQs, and much more. On this page, BettingUSA lists the best NJ online casinos and discusses the state of the industry in great detail. Today, players 21 or older can visit NJ gambling sites to play classic table games such as blackjack and roulette, slots, live dealer games, and more in a safe, regulated environment. The Division of Gaming Enforcement has authorized all the most common types of casino games. NJDGE Authorized Internet Gambling Games.