A casino (or gambling house) is a place to play a variety of games of chance for real money. Casinos often combine various types of gambling under one roof, including table games like blackjack and craps, as well as video poker, roulette and baccarat. Other popular casino games include slot machines and keno. In addition to the usual gambling floor, many casinos also have restaurants, bars and entertainment venues.
Casino gaming most likely originated in the 16th century, during a gambling craze that swept Europe. However, casino-type establishments were not well-established until the second half of the 19th century. The first major casino was built in 1863 at Monte-Carlo, Monaco.
Most casino games give the house a predictable long-term edge, but some have a skill element that can reduce that edge. Players who use optimal strategy can decrease the house advantage to near zero, or even gain a slight advantage. For instance, a player of blackjack can reduce the house edge by counting cards.
In the United States casinos are licensed and regulated by state governments, but not all games are available in every location. The largest casinos are in Las Vegas, Nevada; Reno, Nevada; and Atlantic City, New Jersey. Many of these facilities are owned by large hotel/casino chains.
Most casinos reward loyal patrons with comps, or free goods and services. These can range from free drinks while gambling to limo service and airline tickets. To receive the best comps, ask a casino employee for assistance. These employees see thousands of people gambling each week and have a good idea of which machines are hot or cold. They are often willing to pass this information along for a nice tip.