Playing real money online slots in 2023 is much different than it was 10 or 15 years ago. Nowadays, online slots payouts are bigger and the RTPs on many games are lower. Most players enjoy mobile slots using vivid HTML5 graphics on their Android phones and iPhones.
Read our guide to the best US online casinos for slots. Learn how to play real money online slots from signup to cashout. Research the best online slots providers for US sites and get tips on the best online casinos for US players. Read our list of the best US slots online according to return-to-player (RTP) percentages. Let’s start with basic online slots sign-up guide.
Table of Contents
How to Play Online Slots
If you have never played online slots, follow the step-by-step guide below and you will be playing in minutes. Most online casinos allow players to play online slots for free or real money. Keep in mind: in most but not all cases, you will not be able to win real money unless you make a deposit.
- Sign Up or Log In: Go to a US slot casino’s website and click on the “sign-up” or “register” button. Fill out the registration form with your details, such as your name, address, and email address. You may also need to provide some identification information to verify your account.
- Make a Deposit: Deposit some money into your account to play the slots. The casino has a variety of deposit options, such as credit card, bank transfer, cryptocurrency, or e-wallet. Choose the method that works best for you and follow the instructions on the Cashier Page to make your deposit.
- Accept a Welcome Bonus: Online casinos offer welcome bonuses to new players, which include free spins or bonus money that you can use to play the slots. Accept the welcome bonus offer before depositing cash.
- Choose an Online Slot: Click the “Slots” link on the casino’s top menu. Look for games that have features and themes that interest you. Most online casinos will have a wide selection of games, so take your time to browse and find one that you like.
- Play for Real Money: Once you’ve chosen your game, it’s time to start playing for real money. Set your bet amount and spin the reels. If you hit a winning combination, you’ll be paid out according to the game’s pay table. Keep playing until you’ve used up your bankroll or you’ve hit a big win.
- Clear the Wagering Requirement: If you accepted a welcome bonus, you may need to clear a wagering requirement before you can withdraw your winnings. This means you need to wager a certain amount of money before you can cash out. Check the bonus terms and conditions to see what the wagering requirement is and how to clear it.
- Withdraw Your Winnings: Once you’ve cleared the wagering requirement (if applicable), you can withdraw your winnings. Go to the casino’s cashier section and select the withdrawal option. Choose your preferred payment method and follow the instructions to complete the withdrawal process. Depending on the method you choose, it may take a few days for your winnings to be processed and deposited into your account.
How Real Money Online Slots Work
Online casino software simulates casino games using computer graphics and random number generators (RNGs). Most games use RNGs to produce results, ensuring that each outcome is randomized and independent of previous results. The industry has developed its watchdogs to ensure fairness and safety, including third-party auditors like eCOGRA and Technical Systems Testing.
In the US, there are various online casino software providers to choose from, each offering a different set of games, graphics, gameplay, and rules. While the industry will continue to evolve, there are more options than ever for American real money players to enjoy.
Top 10 US Online Slots
| US ONLINE SLOTS | PROVIDER | BEST FEATURE | RTP |
| Good Girl, Bad Girl | Betsoft | Money Wheel Bonus Game | 97.79% |
| Goblin’s Treasure | RTG | 5x Multiplier | 97.50% |
| Rise of Spartans | Saucify | Artemisia Free Spins | 97.00% |
| Scary Rich 2 | Rival Gaming | 13x Multiplier | 96.70% |
| Runes of Odin | Nucleus Gaming | Exploding Wilds | 96.10% |
| Mystic Wolf | Rival Gaming | Jumping Wolf Multipliers | 95.92% |
| The Slotfather | Betsoft | Click Me Jackpot | 95.69% |
| Gushers Gold | Rival Gaming | Two Separate Jackpots | 95.51% |
| Tycoon Towers | Rival Gaming | Sticky Wilds | 95.22% |
| Achilles Slots | RTG | Progressive Jackpot | 95.00% |
Top Ten Online Slots for US Players
US online slots tend to be much different than international slots gaming. The game providers are different, so American players often get confused about which games are the best online slots for US players.
We’ve created a list of the best slots online according to return-to-player (RTP) percentage. Best of all, all ten games are available for US online slots players.
Good Girl, Bad Girl Slots – 97.79%
Good Girl, Bad Girl by Betsoft has 5 reels and variable paylines. Its theme is based on good and bad angels, with the player choosing which type of angel to play.
The Good Angel theme has 15 paylines, while the Bad Angel theme has 30 paylines. The game features a wild symbol, a scatter symbol, and a Money Wheel bonus game.
Goblin’s Treasure Slots – 97.50%
Goblin’s Treasure by RealTime Gaming has 5 reels and 25 paylines. The theme of the game is monsters and the treasures they keep. It features a wild symbol, a scatters, up to 10 free spins, a bonus round.
Goblin’s Treasure best feature is its 5x multiplier. Note: Don’t confuse an iSoftBet online slot of the same name with this one.
Rise of Spartans Slots – 97.00%
Rise of Spartans by Saucify has 5 reels and 15 paylines. The theme of the game is the Persian Wars and Peloponessian War of Ancient Greece, but it’s the 97% RTP that draws players to this game.
Rise of Spartans features the Themistocles wild symbol, a Queen Gorgo scatter symbol, and King Xerxes Feature Game Scatter. The bonus game involves free spins involving Artemesia the Archer.
Scary Rich 2 Slots – 96.70%
Scary Rich 2 by Rival Gaming is a Halloween-themed slot with 5 reels and 20 paylines. The game’s characters are a mashup of pop culture monsters: Uncle Fester, Gollum, zombies, Frankenstein-inspired babies, and Vampira.
Scary Rich 2 has wild coffin symbol, a werewolf scatter symbol, and bonus round with 13x multipliers.
Runes of Odin Slots – 96.10%
Runes of Odin by Nucleus Gaming is a 5-reel, 25-payline online slot with a Norse mythology theme. Runes of Odin has exploding wilds that unlock multipliers. Look for Odin’s Mighty Spear as the game progresses.
The game’s three “Forces of Nature” symbols help eliminate symbols that don’t complete a winning combination. The Well of Knowledge bonus provides players with a random jackpot. Runes of Odin also has up to 10 free spins, so it’s full of bonus features.
Mystic Wolf Slots – 95.92%
Mystic Wolf is a slot game by Rival Gaming with 5 reels and 50 paylines. Mystic Wolf’s theme is the wild wolves, the lunar cycle, and lunacy. It has a Mystic Wolf Super Round that features free spins and prizes multipliers. It also has a more traditional Lunar Phase Bonus Round.
The Wild Jumping Wolf symbol multiplies wins by 5x.
The Slotfather Slot – 95.69%
The Slotfather is a 5-reel, 30-payline online slot from Betsoft. The Slotfather’s theme is a mafia boss. With its high RTP, Slotfather has been a popular game from Betsoft and even has a sequel, Slotfather II.
Stick with the original Slotfather for instant bonus wins and a Click Me feature that awards players with up to 500 coins. The Underboss symbol is the scatter, while it includes free spins and multipliers.
Gusher’s Gold Slots – 95.51%
Gushers Gold by Rival Gaming has 5 reels and 20 paylines. Gushers Gold’s theme is the oil boom of the 20th Century. The Oil Drum symbol is an expanding wild, while the Beauty Queen symbol unlocks free spins. Gushers Gold has two jackpots.
The first jackpot happens when the Rival Oil Barons icons appear, which unlock a 1000-coin prize. The second is the Oil Pump Jackpot. Look at the red and yellow oil drum on the left of the screen. When it fills, you’ll receive a larger jackpot.
Tycoon Towers Slots – 95.22%
Tycoon Towers is a 5-reel, 50-payline online slots game by Rival Gaming. The theme is a tycoon’s luxurious lifestyle, though the real star of the game is the Sticky Wilds feature.
Working alongside the wild symbol are free spin and re-spin features, which help increase the jackpot in the bonus game.
Achilles Slots – 95.00%
Achilles is a 5-reel, 20-payline online slot by RealTime Gaming (RTG). Achilles Slots seems to be somewhat ubiquitous in US online casinos. Because Achilles combines a 95% RTP with a progressive jackpot, players love it.
The theme of the game is based on the Trojan War and it features a wild symbol, a scatter symbol, and a bonus round. Achilles includes a wild symbol, a scatter symbol, two free game bonus features, and a 10,000-coin jackpot. Finally, there is the Achilles Slots progressive jackpot, which is the big draw.
US Online Slots Providers
Most online casinos don’t develop their software but rather license it from third-party developers. Some gambling sites offer games from multiple design companies to provide a unique set of casino games, while others stick to one or two popular game providers.
Before depositing money into an online casino, it’s important to conduct proper research, including investigating the developers who license games to them, the casino’s licensing authorities, and third-party auditors.
The Best US Online Slots Software
Those used to the land-based American casino industry will not recognize most of the game providers in the online casino industry. US online slot developers are much different, though names like RTG, Rival, and Betsoft are mainstays. All three have been around for nearly two decades or more.
- RealTime Gaming: RealTime Gaming (RTG) is a software provider that has been around since 1998. They offer a wide variety of games, including slots, table games, and video poker. They are known for their progressive jackpot slots, which have paid out millions of dollars in winnings over the years.
- Rival Gaming: Rival Gaming is a relatively new software provider, having been founded in 2006. They offer a range of slots, table games, and video poker, with a particular focus on innovative features and themes. Rival Gaming is also known for its i-Slots series, which offers interactive storylines that allow players to progress through different levels and unlock new features.
- Betsoft: Betsoft is a software provider that has been around since 2006. They are known for their 3D slots, which offer stunning graphics and immersive gameplay. Betsoft also offers a range of other games, including table games, video poker, and specialty games.
- Nucleus Gaming: Nucleus Gaming is a newer software provider that was founded in 2016. They offer a range of slots, table games, and video poker, with a focus on mobile casino compatibility and innovative features. Nucleus Gaming is also known for its unique game themes and high-quality graphics.
- Concept Gaming: Concept Gaming is a UK-based software provider that offers a range of games, including slots, table games, and bingo. They are known for their flexible platform, which allows operators to easily integrate their games into existing systems. Concept Gaming is also known for its innovative bonus features, which can help to increase player engagement and retention.
- Saucify: Saucify, formerly known as BetOnSoft, is a software provider that has been around since 2006. They offer a range of games, including slots, table games, and video poker, with a focus on mobile compatibility and player engagement. Saucify is also known for its unique game themes and innovative features, such as its Spin16 slots, which allow players to spin the reels in any direction.
Most Popular US Online Slots Features
One reason players love online slots is the huge number of features available. These games create exciting moments during the game, often because they greatly increase the players winnings. As a rule, the more features a slot has, the more entertaining the game.
- Free Spins: A bonus round that provides players with a set number of free spins, often triggered by hitting a certain combination of symbols.
- Multipliers: A bonus feature that multiplies the winnings of a player, often triggered during free spins or bonus games.
- Bonus Games: A separate game within the slot machine that offers players additional chances to win big prizes.
- Re-Spins: An extra spin of a single reel or a group of reels, usually triggered by a certain combination of symbols.
- Autoplay: A feature that allows players to automatically spin the reels a set number of times without having to manually do it themselves.
- Scatter Symbols: A special symbol that pays out a prize regardless of its position on the reels, often triggering bonus features like free spins or bonus games.
- Progressive Jackpot: A jackpot that grows each time a player hits “Spin” and doesn’t win the jackpot. These often grow into hundreds of thousands or millions of dollars.
- Random Jackpot: These jackpots trigger when a certain number of scatters land on the reels, or through another random mechanism. Random jackpots usually are worth hundreds, thousands, or tens of thousands of dollars.
- Networked Progressives: A progressive jackpot that is shared over a network of games. It might include all versions of a game in many different online casinos.
- Wild Symbols: A symbol that can substitute for any other symbol to create a winning combination.
Types of Wild Symbols on US Slots Online
Wild symbols are a big part of most slot games. These substitute for most other reel symbols, except the scatter icon. This unlocks many winning combinations. Some wild symbols are better than others, including the more exotic wilds listed below.
- Expanding Wilds: A wild symbol that expands to cover an entire reel, increasing the chances of creating a winning combination.
- Stacked Wilds: A wild symbol that appears stacked on top of each other, creating more opportunities for big wins.
- Exploding Wilds: A wild symbol that explodes, turning nearby symbols into additional wilds.
- Sticky Wilds: A wild symbol that remains in place for a set number of spins, providing players with more chances to win.
Slots Online FAQ
Can I play slots online for real money?
Absolutely. Any real money online casino has slots. The best casino sites have hundreds of online slots for your enjoyment.
What are the best online real money slots?
That depends on your country and state of residence. Due to differing laws, US online slots are much different than international slots. For the same reason, online slots in US states with regulated online casinos are much different than those in unregulated states.
Above, we created a list of the best online slots for most US players, ranked by return to player (RTP) percentage. Here is a recap of that list:
- Good Good, Bad Girl – Betsoft – 97.79%
- Goblin’s Treasure – RTG – 97.50%
- Rise of Spartans – Saucify – 97.00%
- Scary Rich 2 – Rival – 96.70%
- Runes of Odin – Nucleus Gaming – 96.10%
- Mystic Wolf – Rival – 95.95%
- The Slotfather – Betsoft – 95.69%
- Gushers Gold – Rival – 95.51%
- Tycoon Towers – Rival – 95.22%
- Achilles Slots – RTG – 95.00%
Read our mini-review of each slot game above.
Can I play slots online for free?
Yes. Go to a US online casino to try their games for fre. Click on any slot game icon, then click “Practice” when prompted by the game software. You can play free slots sessions with the same fun themes, graphics, sounds, and controls as real money slots online.