American Roulette is played by spinning a small ball on a round wheel. When the wheel stops, the ball comes to rest in one of the numbered slots. Object of the game is to predict which number out of possible 38 the ball will land on. American Roulette wheel has thirty-eight numbers, including 1 to 36, a 0 (zero) and a 00 (double zero). Another name for American roulette is "Double zero roulette".

There are many different ways to place roulette bets. Each bet covers a different set of numbers and has a different distribution, as shown in the Payout table.