How do you play roulette at a casino?

To play roulette, you place chips on a numbered layout to bet on where a small ball will land on a spinning wheel. The dealer, or croupier, spins the wheel and announces the winning number. If your bet covers that number, you win a payout based on the odds of your bet.

Table of contents

• How does a round of roulette work?
• What are the primary roulette rules and bet types?
• How do odds and payouts differ in roulette?
• Which roulette variant should you choose?
• Where can you play roulette in Ontario?
• Explore Other Casino Games
• Your quick guide to getting started

How does a round of roulette work?

Short answer: A round follows a simple sequence. You place your bets on the table, the croupier spins the wheel and launches the ball, betting closes, and once the ball lands in a numbered pocket, winners are paid out.

Whether you’re playing at a land-based casino or online, the flow of a roulette game is straightforward and easy to follow. It’s a game of pure chance, making it accessible even if you’ve never played before. Here’s a step-by-step breakdown of a typical round.

1. Buy your chips: At a physical casino, you’ll exchange cash for special roulette chips at the table. Each player gets a different colour to avoid confusion. Online, you simply select your chip value from the interface.
2. Place your bets: The croupier will announce “Place your bets.” You then put your chips on the numbers or sections of the layout you want to bet on. You can place multiple bets on a single spin.
3. The wheel spins: The croupier spins the wheel in one direction and the ball in the opposite. You can usually continue placing bets for a few moments after the spin starts.
4. “No more bets”: The croupier will wave their hand over the table and call “No more bets” (or “Rien ne va plus” in French roulette). At this point, you cannot place, change, or remove any bets.
5. The result: The ball will slow down and eventually settle into one of the numbered pockets on the wheel. The croupier places a marker (a dolly) on the winning number on the layout.
6. Payouts and collection: The croupier first collects all the losing bets from the table. Then, they pay out all winning bets. Once all payouts are complete, the marker is removed, and a new round begins.

Croupier vs. Random Number Generator (RNG)

In a brick-and-mortar casino or a live dealer game online, a human croupier manages the game. The outcome is determined by the physics of the spinning wheel and ball. For standard online roulette games, the outcome is determined by a Random Number Generator (RNG). This is a complex algorithm that ensures every spin is random and independent of previous results. Regulated casinos in Ontario have their RNG software audited to guarantee fairness.

What are the primary roulette rules and bet types?

Short answer: Roulette bets are divided into two categories: inside bets for specific numbers (high risk, high reward) and outside bets for groups of numbers (lower risk, lower reward).

Understanding the different bets is the key to playing roulette. Your choice of bet directly impacts your potential payout and your chances of winning on any given spin. Think of it as a trade-off between risk and reward.

Inside bets: The high-risk, high-reward plays

These bets are placed on the numbered section of the layout, from 0 (and 00 in American roulette) to 36. They’re called “inside” because the chips are placed inside the main number grid.

• Straight Up: A bet on a single number. It has the highest payout (35 to 1) but the lowest chance of winning.
• Split: A bet on two adjacent numbers. You place the chip on the line separating the two numbers. Payout is 17 to 1.
• Street: A bet on a row of three numbers (e.g., 7, 8, 9). You place the chip on the outer line of that row. Payout is 11 to 1.
• Corner (or Square): A bet on a block of four numbers. You place the chip on the corner where the four numbers meet. Payout is 8 to 1.
• Six Line (or Double Street): A bet on two adjacent rows of three numbers, for a total of six numbers. Payout is 5 to 1.

Outside bets: The safer, lower-payout options

These bets are placed on the boxes outside the main number grid. They cover large groups of numbers and offer close to a 50/50 chance of winning, which is why their payouts are much lower.

• Red or Black: A bet on which colour the winning number will be. Payout is 1 to 1.
• Odd or Even: A bet on whether the winning number will be odd or even. Payout is 1 to 1.
• High or Low: A bet on whether the number will be in the low range (1-18) or the high range (19-36). Payout is 1 to 1.
• Columns: A bet on one of the three vertical columns of 12 numbers. Payout is 2 to 1.
• Dozens: A bet on one of three blocks of 12 numbers (1-12, 13-24, or 25-36). Payout is 2 to 1.

Note: If the ball lands on 0 or 00, all outside bets lose. This is where the casino gets its advantage, known as the house edge.

Common betting systems and why they fail

• Martingale and similar systems: These involve doubling your bet after every loss, expecting to recoup losses and profit with an eventual win.
• Why they fail:
  • Table limits: Casino tables have maximum bet limits, making it impossible to continually double bets during a losing streak.
  • Bankroll depletion: Extended losing streaks can quickly wipe out your entire bankroll.
  • Randomness: Each spin is an independent event; past results do not influence future outcomes.
• Better approach: Manage your money wisely and play for entertainment, not profit.

How do odds and payouts differ in roulette?

Short answer: Payouts for a specific bet type are the same across different roulette versions, but your actual probability of winning is worse on an American wheel because it has an extra “00” pocket.

The numbers on the payout chart look attractive, but they don’t tell the whole story. The “true odds” of winning a straight-up bet on a 37-pocket European wheel are 36 to 1. The casino pays out 35 to 1. That small difference is the house edge. On an American wheel with 38 pockets, your odds are 37 to 1, but the payout is still 35 to 1, giving the house a much larger advantage.

Here’s a breakdown of common bets, their payouts, and the winning probabilities for both European and American roulette.

The real cost of the house edge

So what does house edge mean for your wallet? The house edge is the average percentage of each bet the casino expects to keep over the long run.

• European Roulette (single zero): The house edge is 2.7%. This means that, on average, for every $100 you bet, you can expect to lose $2.70.
• American Roulette (double zero): The house edge is 5.26%. For every $100 you bet, your average expected loss is $5.26.

As you can see, playing on an American wheel nearly doubles the casino’s advantage. Over hundreds or thousands of spins, that difference adds up significantly. A good rule of thumb is to always seek out a single-zero wheel if one is available.

Which roulette variant should you choose?

Short answer: You should almost always choose European or French roulette over the American version. The single zero on the wheel gives you much better odds and a lower house edge, which means your money lasts longer.

While the core gameplay is the same, small differences in the wheel and rules can have a big impact on your experience. Let’s look at the three main types you’ll find at online casinos.

European roulette: The player-friendly classic

This is the most common version of the game outside of the United States. It features numbers 1-36 and a single green ‘0’ pocket. That single zero gives the house its 2.7% edge. It’s the standard and often the best choice for new and experienced players alike.

American roulette: The double-zero challenge

The American wheel is nearly identical to the European one, but with one major addition: a second green pocket for a ’00’. This brings the total number of pockets to 38. While it creates a few extra betting options (like a five-number bet on 0, 00, 1, 2, 3), it dramatically increases the house edge to 5.26%. Unless you have a specific reason to play it, you’re better off avoiding this version.

French roulette: The best odds of all

French roulette uses the same single-zero wheel as European roulette, but it includes two player-friendly rules that can cut the house edge in half on even-money bets.

• La Partage: If you make an even-money bet (like Red/Black or Odd/Even) and the ball lands on zero, you get half of your stake back.
• En Prison: Similar to La Partage, but instead of getting half your bet back, your bet is “imprisoned” for the next spin. If your bet wins on the next spin, you get your original stake back. If it loses, you lose it.

These rules reduce the house edge on even-money bets to just 1.35%, making French roulette the most favourable version statistically.

Pros and cons of different roulette wheels

Where can you play roulette in Ontario?

Short answer: As of 2026, players in Ontario can legally play roulette at provincially regulated online casinos like WildTornado, or at various land-based casinos and gaming resorts across the province. All legal options are monitored by the Alcohol and Gaming Commission of Ontario (AGCO).

The gaming landscape in Ontario has changed significantly, offering players safe and regulated environments to enjoy casino games. It’s important to play only on sites that are licensed by the AGCO, as this ensures player protection, game fairness, and responsible gambling measures are in place.

Online casinos vs. land-based casinos

Choosing where to play often comes down to personal preference. Both options offer unique experiences for roulette players.

Online Casinos (like WildTornado):

• Convenience: Play from anywhere in Ontario on your desktop or mobile device, 24/7. No travel or dress code required.
• Variety: Access dozens of roulette variations, including American, European, French, and innovative versions like Lightning Roulette, all in one place. You can find our full collection on the games page.
• Bonuses: Online sites often offer promotions like a welcome bonus, giving you extra funds to play with.
• Pace of Play: You control the speed. In RNG games, you can take as much time as you need to place bets. In live dealer games, you get the social interaction of a real table from home.

Land-Based Casinos:

• Atmosphere: The social energy, the sounds of the casino floor, and the physical act of placing chips create an immersive experience that can’t be fully replicated online.
• Social Interaction: You can play alongside other people and interact directly with the croupier.
• Fewer Variations: Physical casinos typically have limited floor space, so you’ll usually only find American and sometimes European roulette tables.

Playing in a regulated market means you’re protected. The AGCO ensures that games are fair, your personal and financial data is secure, and that there are tools available to help you play responsibly. If you ever feel like your gambling is becoming a problem, resources like the ConnexOntario helpline are available to provide free and confidential support. Remember, you must be 19 years or older to gamble in Ontario.

Explore Other Casino Games

Short answer: Beyond roulette, a vast world of casino games awaits, offering different challenges and entertainment, from strategic card games to pure chance slots and immersive live experiences.

If you’ve enjoyed roulette or are looking to diversify your gaming experience, consider exploring other popular casino options:

• Casino Slots: Experience vibrant themes, engaging bonus rounds, and the thrill of potential jackpots.
• Table Games: Delve into strategic card games like Blackjack and Baccarat, or try your luck with Craps.
• Casino Jackpots: Chase massive, life-changing prizes on progressive jackpot slots and other games.
• Live Casino Games: Enjoy the authentic casino atmosphere with real dealers streamed directly to your device, including live roulette, blackjack, and baccarat.
• Plinko: For a simpler, arcade-style game of chance, Plinko offers a fun and straightforward betting experience.
• New Games: Discover the latest additions to the casino floor and online platforms.
• Popular Games: See what’s trending and join the most played games.
• Top Games: Find the highest-rated and most recommended titles.

Your quick guide to getting started

Short answer: Stick to European roulette, focus on outside bets to start, set a budget before you play, and remember that it’s a game of luck designed for entertainment.

Jumping into roulette is easy. By keeping a few key points in mind, you can have a great time while playing smart. Here’s a final checklist before you head to the tables.

• Choose the right wheel: Always opt for a single-zero wheel (European or French) over a double-zero wheel (American). Your bankroll will thank you.
• Start with outside bets: Bets like Red/Black or Odd/Even have the best odds of winning. They are a great way to get a feel for the game without taking on too much risk.
• Set a budget and stick to it: Decide how much you’re willing to spend before you start playing and treat it as the cost of entertainment. Never chase your losses.
• Forget “hot” or “cold” numbers: Each spin is an independent event. The roulette wheel has no memory, so betting on a number just because it hasn’t appeared recently is a fallacy.
• Have fun: Roulette is a game of chance. There is no skill or strategy that can guarantee a win. Play for the enjoyment of the game itself, not with the expectation of making a profit. Check out our selection of WildTornado table games when you’re ready to try a few spins.

Roulette FAQ for Canadian Players in 2026

How do I play online roulette safely in Ontario?

A: As of 2026, playing online roulette is fully legal and regulated in Ontario at licensed online casinos like WildTornado. These platforms operate under the Alcohol and Gaming Commission of Ontario (AGCO). This ensures game fairness, secure player accounts, and strong responsible gambling measures.

You can enjoy the game conveniently on your desktop, mobile roulette, or tablet roulette devices anytime. Always check for the AGCO license to ensure you are playing on a secure platform. Remember, you must be 19 years or older to gamble in Ontario.

What are the basic roulette rules to get started?

A: The core roulette rules are quite simple. You begin by selecting your roulette chips and placing them on the betting table layout. These roulette wagers cover numbers or groups of numbers on the roulette wheel.

The dealer, also known as the croupier, then spins the wheel and releases a small ball. After the ball lands in a numbered pocket, the winning number is announced. If your bet covers this number, you receive roulette payouts based on your specific wager’s odds.

Why should I choose French Roulette or European versions over American?

A: You should almost always choose French Roulette or European Roulette. These versions feature a single zero pocket on the roulette wheel, which gives the house a lower edge. European Roulette has a 2.7% house advantage, while French Roulette is even better.

French Roulette includes player-friendly rules like “La Partage” or “En Prison,” reducing the house edge on even-money bets to just 1.35%. American Roulette, however, has an extra double zero pocket, increasing the house edge to a higher 5.26%. Choosing a single zero online table game gives you better probability over time.

Do any roulette strategies or betting systems actually work?

A: Most traditional roulette strategies, such as the Martingale roulette strategy, ultimately do not work in the long run. These betting systems often suggest doubling your bet after losses, but casino table limits prevent this indefinitely. Your bankroll would also be quickly depleted during a losing streak.

Each spin of the roulette wheel is an independent event, making roulette myths about “hot” or “cold” numbers irrelevant. Focus on responsible gambling and risk management instead. Roulette is a game of pure chance, designed for entertainment rather than guaranteed profit.