Poker is a family of card games that share betting rules and usually hand rankings. Poker games differ in how the cards are dealt, how hands may be formed, whether the high or low hand wins the pot in a showdown (in some games, the pot is split between the high and low hands), limits on bet sizes, and how many rounds of betting are allowed.
Blackjack, also known as Twenty-one, is the most widely played casino banking game in the world. Blackjack is a comparing card game between a player and dealer and played with one or more decks of 52 cards.
Craps is a dice game in which the players make wagers on the outcome of the roll, or a series of rolls, of a pair of dice. Players may wager money against each other (street craps, also known as shooting dice or rolling dice) or a bank (casino craps, also known as table craps).
Roulette is a casino game named after a French diminutive for little wheel. In the game, players may choose to place bets on either a single number or a range of numbers, the colors red or black, or whether the number is odd or even.