Roullete (or Roulette, meaning ‘little wheel’) is a casino game that involves betting on a number or various groupings of numbers. The player can also bet on whether a number is odd or even, or if it is high or low. The winner is determined when a ball lands in one of the colored compartments on the roulette wheel. The croupier, or dealer, then pays the winning bettors and clears the losing ones off the table.

The game was first introduced to the United States from Europe, where it had been played for centuries. It was adapted to American gambling dens by eliminating the double zero and simplifying the betting layout. The result was a simpler, more easily understandable version of the game, which spread across the country and eventually reached Nevada.

At a Roulette table, players place their bets by handing money to the dealer (also known as a croupier). The dealer will give the player coloured chips of the denomination designated. The color of the chip indicates its value. Some casinos offer a variety of different denominations, while others have a single, fixed value. The dealer will ask the player what they want to bet on and then mark the bet with a marker.

Generally, there are two categories of bets in Roulette: outside bets and inside bets. Outside bets are the classic red or black wagers and offer a lower payout but a higher chance of winning. Inside bets are more specific and can be made on either the individual digits or a grouping such as a three-number row or corner.

Once all the bets are placed, the croupier will spin the wheel and then throw a small ball into it. The croupier will then call out the number it landed in and pay any winning bets. The rest of the table clears and the process is repeated. A good strategy is to cash out winning bets as soon as possible and then continue betting with a predetermined budget. Often, players will use their winnings to increase their bet size, hoping that they can repeat their success.