A casino is a place for certain types of gambling. It can also be a resort, hotel, or entertainment complex. In some countries, casinos are combined with hotels and/or restaurants and can be found on cruise ships or in international waters (since anti-gambling laws might not apply there).
A large number of casino games exist, including baccarat, blackjack, poker, roulette, craps, and various card and dice games. Some casinos specialize in specific games, such as sic bo and fan-tan. Many casinos are located in areas renowned for tourism, such as Las Vegas, Monte Carlo, Macao, and some Caribbean islands.
Casinos go to great lengths to attract and keep customers. They employ computer programs to design slot machines that appeal to the senses of sight and sound. The machines emit bright lights and bells, and their sounds can be electronically tuned to musical keys. The cling-clang of coins dropping during a payout is also part of the attraction. Some casinos also use scents to entice players.
Casinos often offer free drinks and food to gamblers. Some also give out comps to regular customers. These bonuses and freebies are intended to increase the profits of the casino, and they can include show tickets, merchandise, meals, or even hotel rooms. Guests may also be given the opportunity to participate in contests or tournaments. In addition to these enticements, casinos employ security measures to protect their patrons and property. Because large amounts of money are handled within a casino, cheating and theft are common problems.