Roulette is a popular casino table game originating from France. Players place bets on either a single number, various groupings of numbers, the colors red or black, whether the number is odd or even, or if the numbers are high (19–36) or low (1–18). A croupierA "croupier" is primarily a European term, referring to the casino game attendant responsible for managing the betting and game actions of table games, especially... spins a wheel in one direction and a ball in the opposite direction around a tilted circular track running around the outer edgeIn gambling, one's advantage (or disadvantage) refers to the percent of each bet a gambler (or the house) can expect to win (or lose) on... of the wheel. The ball eventually loses momentum and falls onto the wheel and into one of 37 (in European roulette) or 38 (in American roulette) colored and numbered pockets on the wheel. The primary distinction between the two versions is the inclusion of a double zero (00) in American roulette as opposed to just a single zero (0) in European roulette. That difference doubles the houseThe house is a colloquial term for the casino. The "house edge" is the casino's edge. "The house always wins" refers to the idea that... edge for nearly all bets in American Roulette.
See the roulette landing page for more information.