An official slot game is one that has been branded and is based on a source material. Some examples of such slots include Game of Thrones, Narcos, Gordon Ramsay and Vikings slots. Each has their own set of features and payouts. The government doesn’t actively get involved in the slot machine industry, but does monitor payouts and supervise its operation. This means that you can be assured that the games you play are legitimate and fair.

Another popular type of official slot is based on popular brands, sports stars, and events. Monopoly themed slots are particularly popular, with the Monopoly Megaways slot machine by Big Time Gaming as one of the best-known examples. Other popular slots include Nyjah Huston, celebrities, and events. There is even an official slot based on the Liberty Bell, a slot machine invented by Charles Fey and now a California Historical Landmark.

Coin operated poker machines first made their appearance in the 1800s, during the California Gold Rush. Since then, they have become a staple of American casinos. One legal challenge threatened to shut down the iconic Caesars Palace in Las Vegas. The court ruling ruled against the lawsuit, so the casino can continue operating as usual. Regardless, the official slot machine at Caesars Palace is a significant milestone for the slot machine industry. Since then, their popularity has grown exponentially.