Roulette is a game of chance that has provided glamour, mystery, and excitement to casino-goers since the 17th century. Players place bets on various number slots, groups of numbers (such as red-black or odd-even), the color of the number (red or black), and whether it is high (19-36) or low (1-18). There are several different types of bets to choose from, and each offers a unique set of odds and payouts.

Regardless of your strategy, it is important to make sure your bankroll lasts the entire game. It’s recommended to spread your bets around the table so that you don’t run out of chips by the end of the spin. It also helps to have some smaller bets on the outside of the board, which have a higher probability of winning than those closer to the center.

You should never place all of your money on a single number. If you do, you’ll probably lose it all. This is especially true if the ball hits the zero or double zero. If you win a bet on a number, your winning chips are still yours until you ask the dealer to give you normal casino chips.

The house edge in roulette is not as great as that of some other casino games, such as craps. However, this doesn’t mean that there are no ways to beat the game. Many people have developed strategies to improve their chances of winning at roulette, although some are more effective than others.

The most common form of roulette in online casinos is European roulette. It differs from American roulette in that the European version only has a single zero, which significantly decreases the house edge to a coveted 2.7%. If you’re a beginner, this is the version of roulette to play.