Slots are simple games of chance. Pick titles with high RTP to boost your odds over time. Our experts explain how to choose games and features that give you the best shot at winning.
Online Casino Games in the U.S.
Online casino games range from classic slots to innovative new titles packed with interactive features and unique mechanics. In this guide, we’ll break down the most popular types of casino games and show you how to play them legally at the best online casinos.
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Popular Casino Games by Type
The best online casinos in the US offer a wide variety of games to match every playstyle — from fast, high-volatility slots to strategic, skill-based table games. Below, you’ll find the most popular online casino game categories along with quick tips on how to get started with each one.
The Most Popular Casino Games to Play
Slots, blackjack, online poker, and roulette are among the most popular casino games in the US, but each category offers many exciting variations. Below, we’ve spotlighted the top games within each type — including the most played titles and why they stand out.
1. Divine Fortune – Most Popular Slot Game
Divine Fortune is a progressive jackpot slot from NetEnt, featured at many top real money online casinos across the U.S. Set in the world of Ancient Greek mythology, the reels showcase symbols like Pegasus, Medusa, and the Minotaur.
This 5-reel, 20-payline slot has a strong return to player (RTP) of 96.59%, giving it a below-average house edge of just 3.41%. With the chance to trigger a jackpot that can exceed $1 million, Divine Fortune remains a favorite for players chasing big wins from a single spin.
2. Zappit Blackjack – Most Popular Blackjack Game
Zappit Blackjack is a fun twist on classic blackjack that gives players a second chance when dealt weak hands. If you’re dealt a total of 15, 16, or 17, you can choose to “zap” your hand — ending the round and getting your original bet back.
However, Zappit comes with a catch: if the dealer busts with a total of 22, your bet results in a push instead of a win. This rule bumps the house edge to 1.13%, which is higher than traditional blackjack. Still, the zap feature adds a strategic layer that many players enjoy.
3. French Roulette – Most Popular Roulette Game
French roulette is the best option for players seeking a low house edge. With just a single zero on the wheel, the house edge is only 1.35% — significantly lower than both European and American roulette.
French roulette often includes special rules like la partage, which refunds 50% of your even-money bet if the ball lands on zero, and en prison, which gives you a second chance to win on the next spin. These features are not found in European roulette, making the French variant the most player-friendly version available online.
4. Game King – Most Popular Video Poker Game
Game King is one of the most popular video poker platforms online, offering nine different variants in one place. These include Bonus Poker, Bonus Poker Deluxe, Double Bonus Poker, Double Double Bonus Poker, Triple Double Bonus Poker, Deuces Wild, Deuces Wild Bonus Poker, Joker Poker, and the fan-favorite Jacks or Better.
The goal across all variants is to build the best possible five-card poker hand — but the payout odds and house edge vary depending on the game. Deuces Wild offers the lowest house edge at just 0.28%, while Jacks or Better remains the go-to option for most video poker fans.
5. Ultimate Texas Hold ’Em – Most Popular Poker Variant
Ultimate Texas Hold ’Em is the most popular table poker game at U.S. online casinos. Similar to video poker, the goal is to build a strong five-card hand — but here, your hand is compared directly to the dealer’s. You receive two hole cards and share five community cards, making it a familiar format for Texas Hold’em fans.
The game is a bit more complex than video poker, 3 Card Poker, or Caribbean Stud, but it rewards strategic play. You also have the option to bet aggressively early in the round, adding excitement and control. With optimal decisions, the house edge drops to just 0.73%.
Live Dealer Casino Games
Live dealer games let you play in real time with a professional dealer, streamed from either a studio or a real land-based casino. These games are designed to recreate the experience of visiting a physical casino — but you can enjoy them from the comfort of your phone or computer, anytime.
You’ll place your bets digitally and watch the action unfold live. The dealer will deal cards or spin the roulette wheel while you interact through a built-in chat box, allowing for real-time engagement with both the dealer and other players. Below are some of the most popular options at the best live dealer casinos.
Live dealer blackjack
You’ll find a wide range of live blackjack games at top online casinos like BetMGM, DraftKings, FanDuel, BetRivers, and Caesars Palace. Options range from classic formats to popular variants such as Lightning Blackjack and Quantum Blackjack, which add exciting side bets and visual effects.
Infinite Blackjack is another standout, allowing unlimited players to join the same table — so you never have to wait for a seat. If real-money casinos aren’t available in your state, you can still enjoy live dealer blackjack using standard or premium coins at social casinos like High 5 Casino, Chanced Casino, Stake.us, Fortune Coins, or McLuck.
Live dealer roulette
Many players prefer live dealer roulette over virtual versions because the outcomes aren’t determined by a random number generator. Instead, a real wheel spin decides the result — creating a more authentic and visually engaging experience.
Top real money casinos for live roulette include FanDuel, DraftKings, Caesars Palace Casino, and BetMGM. These platforms offer classic American and European roulette, along with popular variants like Lightning Roulette. If you’re in a state without traditional online casinos, you can still enjoy live French roulette, European roulette, and auto roulette at social casinos like Chanced Casino.
Live dealer craps
Craps is another exciting live dealer option for online casino players. In this version, the dealer uses a mechanical shooter to launch the dice down the table, while you place bets like pass/don’t pass, come/don’t come, single-roll bets, and multi-roll wagers — just like at a land-based casino.
Currently, most platforms offer a single live craps game powered by Evolution Gaming. You can play it at apps like BetMGM, BetRivers, and DraftKings — but only in select states including Connecticut, Michigan, New Jersey, Pennsylvania, and West Virginia. If you’re outside those jurisdictions, the social casino BetRivers.net offers a fun version of live dealer craps you can play for free.
Where to Play Casino Games Online
Our experts have selected the top five online casinos in the United States, based on game variety, user experience, and overall value. The list includes three traditional online casinos and two sweepstakes casinos that are legal in most states.
BetMGM Casino
... people viewed today
- More than 4,300 games in New Jersey, lots of options in other states
- Available in MI, NJ, PA, WV
BetMGM offers a wider range of slots than rival online casinos. The range includes lots of exclusives, many of which have large progressive jackpots, and players can benefit from regular bonuses and loyalty rewards too.
Best for: Live Dealer Games
DraftKings Casino
... people viewed today
- Hosts approximately 1,400 games in some states
- Available in CT, MI, NJ, PA, WV
DraftKings Casino pairs a massive slots library with exclusive in-house titles, a low 15x wagering requirement on its welcome offer, and seamless integration with the DraftKings Sportsbook app.
Payouts are typically processed within a few business days, and the mobile app ranks among the highest-rated in the industry.
Best for: Exclusive slot games
BetRivers Casino
... people viewed today
- More than 2,300 games in New Jersey, strong range in other states
- Available in MI, NJ, PA, WV
BetRivers is another elite online casino that offers a wide range of games, lots of ongoing bonuses, and instant payouts. This is an excellent choice for anyone seeking slots with daily progressive jackpots and a wide array of live dealer games.
Best for: Progressive Jackpot Slots
WOW Vegas
... people viewed today
- More than 1,000 video slots available
- Legal in every state except for ID, MI, NV, and WA
WOW Vegas is the best social casino for slots players in the United States. You can play more than 1,000 video slots from a wide range of providers via the highly-rated WOW Vegas app or the website.
Best for: Fish Games
McLuck
... people viewed today
- Hosts more than 750 games
- Legal in every state except for AL, GA, ID, KY, MI, MT, NV, and WA
McLuck is another high-quality social casino that offers regular bonuses and a smooth user experience. You can play approximately 750 slots at McLuck, and it also hosts live blackjack, roulette, and baccarat games.
Best for: Exclusive sweepstakes casino games
How to Play Casino Games
Want to learn how to play popular online casino games? At PlayUSA, our experts break down the rules of each game in clear, simple terms — plus offer practical tips to help boost your odds and improve your gameplay from the start.
Slots
Blackjack
Our beginner’s guide breaks down the rules and shows real examples so you can quickly learn how to play blackjack, understand the flow of a hand, and make smart decisions at the table.
Roulette
Learn how roulette works, from betting options to payouts. Our guide also explains the differences between game variants and what to expect in each round.
Craps
Craps can seem complicated, but our guide makes it easy. Learn the best bets to make, which to avoid, and how the different payouts work at the online craps table.
Casino Games With the Best Odds
If you want your bankroll to last, the game you choose and the bet you place matter more than anything else. The figures below are based on standard rules and optimal play. Your actual edge can be higher when a game uses weaker rules or a worse paytable, so I always recommend checking the info panel before you play.
| Game | Best version or bet | House edge | What it takes |
|---|---|---|---|
| Craps | Pass line with 3-4-5x odds | About 0.37% | Back your line bet with maximum odds |
| Video poker | 9/6 Jacks or Better | 0.46% | Optimal hold strategy |
| Blackjack | Classic blackjack paying 3:2 | About 0.5% | Basic strategy |
| Baccarat | Banker bet | 1.06% | No strategy needed |
| French roulette | Even-money bets with la partage | 1.35% | Stick to even-money bets |
| European roulette | Any standard bet | 2.70% | No strategy needed |
| Slots | High-RTP titles | Varies, about 4% on average | Check the RTP before you spin |
| American roulette | Most standard bets | 5.26% | No strategy needed |
A couple of these need context. In craps, the flat pass line bet carries a 1.41% edge (1.36% on don’t pass), but the odds bet you add behind it has zero house edge, which pulls your combined edge way down. In video poker, many online versions use an 8/5 Jacks or Better paytable (8x for a full house, 5x for a flush) instead of 9/6, and that small change raises the house edge to about 2.70%.
Bets and Side Bets to Avoid
Some bets look tempting because of their payouts, but the math works heavily against you. These are the ones I skip every time:
- Baccarat tie bet: It pays 8:1, but a tie only happens about 9.52% of the time, which hands the house a 14.36% edge. Compare that with just 1.06% on the banker bet.
- Craps Big 6 and Big 8: Both pay even money and carry a 9.09% edge. A place bet on the 6 or 8 wins on exactly the same rolls, pays 7:6, and has only a 1.52% edge.
- Craps one-roll proposition bets: Any 7 has a 16.67% edge, snake eyes and boxcars sit at 13.89%, and yo (11) comes in at 11.11%.
- Blackjack insurance: Unless you’re counting cards, insurance carries a house edge of around 7% in multi-deck games.
- Blackjack side bets like Perfect Pairs: House edges commonly range from about 4% to more than 10%, depending on the paytable and the number of decks.
- 6:5 blackjack tables: Getting paid 6:5 instead of 3:2 on a natural blackjack adds roughly 1.4% to the house edge, which can more than triple it.
How to Keep the House Edge as Low as Possible
You can’t remove the house edge, but you can keep it as small as possible with a few simple habits:
- Pick the best version of each game. Choose French or European roulette over American, 3:2 blackjack over 6:5, and 9/6 video poker over 8/5.
- Learn the right moves for skill games. In blackjack and video poker, the listed RTP assumes perfect decisions. Practicing in free play mode is the easiest way to get there before you bet real money.
- Take maximum odds in craps. It’s the only bet in the casino with no house edge at all.
- Check the RTP before you spin. Two slots that look alike can pay back very differently, and some titles come in more than one RTP version. A bonus buy feature can also carry its own RTP, which may be higher or lower than the base game.
- Don’t count on betting systems. Progressions like the Martingale or the Paroli change how you size your bets, not the math of the game, so the house edge stays exactly the same.
- Set a budget and stick to it. The house edge plays out over volume, so the more you wager, the closer your results tend to drift toward it.
We Offer Strategy Guides for the Different Online Casino Games
The more you understand the game you’re playing, the better your chances of winning. At PlayUSA, we’ve created detailed strategy guides for each major game type found at online casinos. Our experts have explained the key strategic principles behind slots, blackjack, roulette, craps, and video poker — all designed to help you make smarter decisions and boost your long-term results.
Slots Strategy
A solid slot strategy starts with knowing the rules, features, and payout structure of each game. Look for slots with high RTP percentages and rewarding bonus rounds to improve your long-term chances of winning.
Slots RTP
RTP shows how much a slot pays back over time. Our guide explains how to spot high-RTP games so you can choose slots with better long-term payout potential.
Slots bonus rounds
Triggering a bonus round in a slot can lead to free spins, multipliers, and big wins. Learn how bonus features work and which games offer the most rewarding extras.
Blackjack
Practicing with free online blackjack is a great way to learn the game and develop optimal strategy. When you’re ready to play for real money, focus on finding blackjack variants with a low house edge, and make sure you fully understand the odds, payouts, and basic strategy. Mastery of these fundamentals can significantly boost your chances of winning over time.
Blackjack strategy
Blackjack offers low house edge when played correctly. Our guide shows you when to hit, stand, split, or double down — helping you play perfect hands and improve your odds.
Blackjack odds
Understanding blackjack odds helps you make better decisions. Always choose games that pay 3:2 on blackjack, as this payout offers stronger value than 6:5 or lower.
Roulette
Roulette is easy to learn but offers plenty of depth for strategic players. You can click the links below to explore detailed guides on roulette strategy, odds, and payouts — plus expert tips to help you make smarter bets and choose the best roulette variants online.
Roulette Strategy
Roulette is easy to play, but choosing the right version can boost your odds. Our guide also covers popular betting systems to help improve your overall strategy.
Roulette tips
Check out our top six tips for roulette players, including which games offer the best odds and why claiming casino bonuses can boost your chances at the table.
Roulette odds & payouts explained
From single numbers to side bets, roulette offers many ways to wager. Our guide breaks down the odds and payouts for each type of bet so you can play smarter.
Craps Strategy
Craps is one of the most exciting casino games — and it can also offer a low house edge if you know how to play it smart. Our experts break down the best bets to focus on, which wagers to avoid, and how to read the odds so you can make informed decisions at the online craps table.
Craps tips
Knowing the house edge on each craps bet helps you avoid sucker bets and focus on the smartest options. Our guide explains how to improve your odds and make better choices.
Craps table
The layout of a craps table can seem overwhelming at first, but our guide breaks it down clearly so you can understand the setup and start placing bets with confidence.
Craps odds
Mastering craps starts with knowing the odds. Our guide shows you how to read craps odds and explains why understanding probabilities is key to smarter betting.
Video Poker
Video poker is a great choice for players who enjoy poker mechanics but prefer a solo, fast-paced experience. It blends skill and luck in a way that appeals to both casual and strategic players. At PlayUSA, we’ve created a complete guide to help U.S. players understand the rules, hand rankings, and optimal strategies for popular variants like Jacks or Better and Deuces Wild.
Video poker
Our guide covers the best strategies for video poker games like Jacks or Better and Deuces Wild, helping you make smart choices and improve your long-term results.
Casino games players also like
Baccarat
... people viewed today
- Popular table game, which is available all leading online casinos
- Best sites include BetMGM, DraftKings, and Chanced Casino
Baccarat is a simple, elegant table game that offers fast-paced action. This game is very popular in Asia, but it is also widely available at US casinos. You can bet on the banker’s hand, the player’s hand, or a tie, but the banker bet has the lowest house edge.
Let It Ride
... people viewed today
- Poker-style game invented by Shuffle Master founder John Breeding
- Available at traditional online casinos such as FanDuel and DraftKings
This table game is a variation of five-card stud, which is based on three player cards and two community cards. The format is straightforward, and you can win up to 1,000x your bet if you get a royal flush, so Let It Ride is popular with poker players. However, it has a higher house edge than video poker and Ultimate Texas Hold’em.
Mississippi Stud
... people viewed today
- House-banked poker game introduced by Shuffle Master CEO Mark Yoseloff
- Available at BetMGM, BetRivers, and other leading online casinos
Mississippi Stud is a table game that was created to capitalize upon the poker boom of the 2000s. This game is different to most other house-banked poker games, as your hand is not compared to a dealer’s hand. In this regard, Mississippi Stud is similar to video poker, and it has a low house edge too.
3 Card Poker
... people viewed today
- Debuted at Mississippi’s Grand Casino Gulfport in the 1990s
- Available at casino apps such as BetMGM and Caesars Palace
This is a straightforward poker-style game in which you are dealt three cards. There are two popular side bets: Pair Plus and 6 Card Bonus, which offers payouts of up to 1,000x. You can play virtual 3 Card Poker at most traditional online casinos, and some offer a live dealer version of the game too.
Ultimate Texas Hold’em
... people viewed today
- Offers more betting options than most other table poker games
- Play it at BetMGM, BetRivers, Caesars Palace, or DraftKings
This popular house-banked poker game allows you to bet more aggressively than 3 Card Poker and Mississippi Stud. You can bet 3x or 4x the ante after receiving your two starting cards, which gives you the opportunity to capitalize upon strong hands. If you play correctly, Ultimate Texas Hold’em has a house edge of just 0.73%, which is competitive.
What Is the House Edge in Casino Games?
The house edge is the built-in advantage a casino holds on every game it offers. It’s shown as a percentage of each bet the casino expects to keep over the long run. If a game has a 2% house edge, the casino expects to hold on to about $2 for every $100 wagered across thousands of rounds, not on any single hand or spin.
When I review a game for PlayUSA, the house edge is one of the first numbers I look for, because it tells you how much that game costs to play over time. It doesn’t mean the game is rigged. Games at licensed US online casinos are independently tested, and every result is random. The edge simply comes from paying slightly less than the true odds on each bet.
House Edge vs. RTP
Return to player (RTP) is the other side of the same coin. It shows the share of all money wagered that a game is expected to pay back to players over time. The two always add up to 100%, so a slot with a 96% RTP has a 4% house edge.
You’ll usually find a game’s RTP in its info or help panel. Just keep in mind that table games and video poker list their RTP based on perfect play, so your actual return depends on the decisions you make.
How to Calculate the House Edge
The quickest method is to subtract a game’s RTP from 100. European roulette has a 97.30% RTP, so its house edge is 2.70%. American roulette pays back 94.74%, which leaves a 5.26% edge.
You can also work it out yourself. Picture betting $1 on every one of the 37 numbers on a European roulette wheel. That’s $37 wagered. Whichever number hits pays 35:1, so you get back $36 (your $35 win plus the $1 you bet on that number). You lose $1 out of every $37, which works out to a 2.70% house edge. The single green zero is the whole reason that dollar goes to the casino. On an American wheel, the extra double zero means you’d bet $38 and still only get $36 back, pushing the edge up to 5.26%.
How Casino Odds Work
The odds on any casino bet tell you two things: how much it pays if it wins, and how likely it is to win. The gap between what a bet pays and its true chance of winning is exactly where the house edge comes from.
Roulette makes this easy to see. A bet on red pays 1:1, which implies a 50% chance of winning. On a European wheel, though, only 18 of the 37 pockets are red, so your real chance is 48.65%. A straight-up bet on a single number pays 35:1, implying a 1-in-36 shot (2.78%), while your real chance is 1 in 37 (2.70%).
Long odds mean a big payout with a slim chance of winning, like that 35:1 single-number bet. Short odds pay less but hit more often, like even-money bets on red or black. Neither one is automatically better. Long-odds bets bring bigger swings and longer losing streaks, while short-odds bets give you smaller, steadier results.
Win, Lose, or Push: Blackjack as an Example
Even a game with great odds doesn’t mean you’ll win most hands. In multi-deck blackjack played with basic strategy, you can expect to win about 42.22% of hands, lose about 49.10%, and push (tie) the remaining 8.48%.
So how is the house edge only around 0.5%? A natural blackjack pays 3:2 and lands on roughly 4.75% of hands, and doubling down and splitting let you put more money on the table in spots where you have the advantage. That’s why learning blackjack strategy pays off so much more than in most other games.
Online casino games FAQ
No. The house edge comes from how a game’s payouts are set, not from tampering with results. Games at licensed online casinos are tested by independent labs to confirm that every outcome is random. The edge is simply the price of admission for playing.
Yes. The house edge describes what happens over a huge number of bets, not a single session. In the short term, results swing both ways, and plenty of players walk away ahead. On games like blackjack or the banker bet in baccarat, your chances on each bet are close to 50-50. Over months and years of play, though, the edge tends to catch up, so it’s smart to treat gambling as entertainment rather than a way to make money.
Craps (pass line with maximum odds), 9/6 Jacks or Better video poker, and 3:2 blackjack played with basic strategy all bring the house edge down to around 0.5% or less. If you’re a beginner who doesn’t want to learn a strategy, the banker bet in baccarat is the easiest low-edge option at 1.06%.
Not quite, but they’re closely linked. The odds tell you what a single bet pays and how likely it is to win. The house edge is the gap between those payouts and the true odds, averaged across every possible outcome in the game.
No. Systems like the Martingale or Paroli only change how much you bet after a win or a loss. Every individual bet keeps the same house edge, so the overall math doesn’t change. Some systems can also push your bets up quickly during a losing streak, so use them with a firm budget if you try them at all.
Online poker cash games and tournaments don’t have a house edge, because you’re playing against other players. Instead, the site takes a small fee called the rake from each pot or tournament buy-in.
House-banked poker games are different. Titles like Ultimate Texas Hold’em, 3 Card Poker, and Let It Ride pit you against the casino, so they do carry a house edge, and so does video poker.
Yes. Games at sweepstakes casinos are built with an RTP and house edge just like their real money counterparts, and many come from the same game providers. The same tips apply: check the RTP in the game’s info panel, pick the best version of each table game, and skip high-edge side bets.
