Roulette

Roulette is built around a numbered wheel and a small ball. The dealer spins the wheel in one direction and launches the ball in the other. Players place bets on where the ball will land before the dealer closes the betting window. Once the ball settles in a pocket, winning bets are paid and losing bets are collected.

The numbers on the wheel are arranged in a specific non-sequential order designed to distribute odd, even, high, low, red, and black numbers as evenly as possible. This layout is consistent across all European wheels, while American wheels add a double zero pocket that changes the odds. Every spin is independent — previous results have no mathematical influence on future outcomes.

Roulette bets fall into two categories: inside bets and outside bets. Inside bets are placed on specific numbers or small groups of numbers. A straight-up bet on a single number pays 35:1, a split across two numbers pays 17:1, a street covering three numbers pays 11:1, a corner on four numbers pays 8:1, and a six-line across six numbers pays 5:1.

Outside bets cover larger sections of the wheel. Column and dozen bets cover 12 numbers each and pay 2:1. Even-money bets — red/black, odd/even, and high/low — cover 18 numbers and pay 1:1. Outside bets win more often but pay less. Inside bets hit less frequently but offer much higher returns. Your choice depends on whether you prefer steadier results or bigger individual wins.

The three main roulette variants differ primarily in house edge. European Roulette uses a single zero, giving a house edge of 2.70%. American Roulette adds a double zero pocket, nearly doubling the house edge to 5.26%. French Roulette uses the same single-zero wheel as European but includes the La Partage rule — if the ball lands on zero, even-money bets return half your stake, reducing the effective house edge to 1.35%.

For the best odds, French Roulette with La Partage is the optimal choice, followed by European Roulette. American Roulette should be avoided when alternatives are available. Most online casinos offer at least European Roulette in both RNG and live dealer formats.

Live dealer roulette streams from professional studios with real wheels, real dealers, and real-time results. The experience is the closest you can get to a physical casino without leaving home. Evolution Gaming leads this space with titles like Immersive Roulette, which uses multiple camera angles and slow-motion replays, and Lightning Roulette, which adds random multipliers of up to 500x to straight-up bets.

Newer variants continue to push the format further. Gold Vault Roulette features stackable Gold Bar multipliers up to 500x, while the upcoming Gates of Olympus Roulette from Pragmatic Play combines roulette with slot bonus mechanics for wins up to 10,000x. These game show hybrids attract players who want more excitement than traditional roulette offers while keeping the core gameplay familiar.

No betting system can overcome the house edge in roulette — every spin is an independent event. Systems like Martingale (doubling after losses) and Fibonacci (following a number sequence) can structure your betting, but they do not change the mathematical expectation. Over enough spins, the house edge will always apply.

What you can control is bankroll management. Set a loss limit before you start, choose bet sizes that give you enough spins to enjoy the session, and stick to European or French Roulette for the best odds. Even-money bets on European Roulette give you close to a 48.6% chance of winning each spin, making them the most sustainable option for longer sessions. For more on how game maths affect your expected results, see our guide to RTP.