Online Slots Sites
Find out the best slot casinos and the best slot games you can play, including the types of slots available and more.
With the rise in legal online casinos across the US, online slots have become a massive source of entertainment for players.
Players can discover thousands of exciting online slot games to play remotely at their fingertips. You can play online slots with real money in the US or free slots in demo mode from your laptop, PC, or smartphone.
At USGambling.com, we have everything you need to know on the best online slots from well-known and reputable developers. Each of our recommended slot machines is regulated and licensed in the US so that you can play online slots securely at legal casinos in your state. Our experts have written thousands of slots reviews searching for the top real money slots and free online slots with free games to improve your slot knowledge, and we hope to offer you some new slot suggestions to try.
In addition to providing an online slots guide, if you are wondering where to play online slots, we’ve got you covered. We have provided a list of the top regulated online slot casino sites where you can play classic slots online, real money slots with the latest bonus features like Megaways, and progressive jackpot slots. By following our recommendations, you can steer clear of shady slots apps.
Each online casino on this page is home to hundreds of exciting online slots games, all playable for real money. Read on to discover the best online slots to play with real money, and sign up today to claim your free spins and welcome bonus offers!
Online Slots Casinos
If you are looking for a slot game providing excitement, unique bonus rounds, and innovative slot features, you will find that and much more at these real money slot gaming sites. Our top online gambling sites offering the latest online slot machines include:
Looking to play online slots in the US? Then these operators offer the best choice of slot games, bonuses, and promotions:



Slot fans in the US now have a fantastic range of licensed and legal operators available online. They offer the Las Vegas slots experience at your fingertips with an ever-expanding range of top-quality online slots. Playable on both desktop and mobile devices.
#1 BetMGM Casino

BetMGM Casino is the online casino of the world-famous MGM Resorts International. They are one of the most prominent and most well-known casino groups on the planet and pretty much own all the best hotels in Vegas. The best slots at BetMGM casino include classics such as Dead or Alive II (NetEnt), Book of Dead (Play’n GO), Cash Wizard (Bally), Starburst (NetEnt), a slot machine game recently turned online slot – Ultra Blazing Fire Link. Additionally, DraftKings slots and FanDuel Casino slots offer numerous slot games, from Vegas slots, Penny slots, Megaways slots, Progressive Jackpot slots, etc.
Read more: BetMGM Casino review

#2 DraftKings Casino

DraftKings may be better known for sports betting, but they also have one of the best licensed US casinos, providing a massive range of real money online slots. Some of the best DraftKings slots include Gonzos Quest (NetEnt), 88 Fortunes (SGi), and Bonanza (BTG). The games are provided by some of the best online slot providers, all presented in a simple and intuitive casino lobby. The range of real money slots is expanding quickly with over 700+ different games on offer!
Read more: DraftKings Casino review
#3 Golden Nugget Online Casino

One of the best-known names in the casino industry, the Golden Nugget Online Casino is the online provider of the world-famous Golden Nugget. They have one of the most extensive online slot collections available in several US states, with over 1000+ real money online slots in their slot lobby. Play all the favorite titles you would find at the Las Vegas casino right from your mobile or PC.
Make sure to check out superb online slots such as White Rabbit Megaways (BTG), Extra Chilli Megaways (BTG), 300 Shields Extreme (Nextgen Gaming), and some of the land-based classics like China Shores (Konami).
In our complete guide, you can read more about the full list of online slot titles, including our pick of the best slots at Golden Nugget.
Read more: Golden Nugget Online Casino
How We Choose Best Online Slots For Real Money
We don’t select the best online slots for real money at random or because we like the name. When you want to play slots online, there are various factors to consider. We recommend only the best online casino slots. Unfortunately, some slot genres like pinball slot machines are, regardless of their quality, simply unavailable at online casinos and hence did not make our list. We look for the points below when ranking and reviewing all online slot machine games.
Game Design
You don’t want to risk losing money on a mundane slot game; as part of our slot game reviews, we lookout for unique graphics, usability, and long-term playability. Having reviewed online slots for over ten years, we can tell pretty quickly if a slot will appeal to real money players. Players also have the opportunity to test out the slot in the free play/demo mode if they are curious and want to check out how the slot plays.
RTP (Return to Player) Percentage
You will often hear the phrase ‘highest RTP slots‘ when delving into the online gambling world. All real money online slots have a return-to-player percentage (RTP). This refers to the return made to the player over a period of time (Money Wagered).
The best real money slots will have an RTP in the range of 95-99%. You can also view important payment information via the slot paytable. Additionally, some operators list this information within their FAQ or Help sections.
Slot Volatility
All real money slot games come with variance and volatility. Low Variance slots pay multiple small and frequent payouts. A High Variance slot may pay out more significant amounts, but there may well be longer periods with little or no wins.
The volatility is the amount a slot pays out. High-variance slots payout more but not as frequently. These style of slots will appeal to different players, so it’s a case of playing various slots and deciding whether you prefer low, medium, or high variance machines.
Licensing & Safety
Your money and personal details should always be safe whenever you play online slots for real money. Our recommended online casinos are all licensed in the US. The games are independently tested (RNG) and certified for fairness and theoretical RTP before they are even available to play online.
Types Of Online Slot Games

When choosing which slots to play online, knowing the various slot types is helpful. The differences between two slot games could have massive repercussions on the maximum win, jackpot amount, gameplay, and betting strategy.
To help you make the most of your real money gambling experience, we have listed the different types of slot games below.
Free Slots/Demo Mode
Free slots or “Demo Mode” mean players can enjoy their favorite slot titles without risking real money. There is no compromise on the quality of the graphics and gameplay just because these are free slots.
A frequent myth is that these slots might be looser because they are in free play, this is entirely untrue. By law, the demo mode of any slot has to have the same RTP and play exactly the same as the real money version, a further reason to always play at licensed casinos where this can be enforced.
Consequently, they are the perfect option for players who want to try new titles to see if they are worth playing for real money or practice slot betting strategies.
Vegas Slots
Slot machines from the famous Las Vegas casinos have been given a virtual makeover. Vegas online slots offer players the same well-known slot titles they enjoyed in physical casinos but with better graphics and bonus games. Slot developers such as WMS, SGi, Bally, and IGT can all be found online. Titles such as Cleopatra (IGT), Raging Rhino (WMS), and Montezuma (WMS) are all perfect examples of a Vegas slot that can be played online.
Grid Slots
If regular reels and paylines are too simplistic, then seek out some of the fantastic grid-based slots, titles such as Fruit Party (Pragmatic Play), Jammin Jars (Push Gaming), and Gigantoonz (Play’n GO). These grid-based slots tend to play out like a puzzle game on steroids with real-money gaming attached, using cluster pays, tumbling reels, and avalanche mechanics.
Progressive Jackpot Slots
Players can try and win big with progressive jackpot slot games online. Every time a bettor makes a wager in this type of slot game, a small portion of the bet (RTP Contribution) gets added to a progressive jackpot until a player lands the winning combination. Once the Jackpot has been won, the Jackpot will re-seed at a specific value.
There are instances where these slot games can overlap; for example, some online Vegas slots will accept wagers from a penny. However, it is beneficial for players if they know what type of game they are playing to grasp how the game operates and ultimately improve their chances of winning. A player interested in the big jackpots found in progressive slots wouldn’t be that bothered with penny slots.
Fixed Paylines
These are non-adjustable paylines, with the slot developer tasked to determine the number of paylines. In such slots, you must bet on all paylines for each spin. Once you play a fixed payline slot, you bet on every possible combination of symbols. For example, the Vikings Go Berzerk from Yggdrasil features 25 fixed paylines, meaning if you made a $100 bet, you would be betting $4 on each payline per spin.
Adjustable Paylines
In contrast to fixed paylines, adjustable paylines are adjustable, as the name suggests. You get to pick the number of active paylines per spin. With this, the fewer paylines you pick, the less amount you bet on a spin, making them perfect for slot players with smaller bankrolls. Big Bass Bonanza from Pragmatic Play is one such slot machine with ten (10) adjustable paylines. Here, you can bet on one line, five lines, etc.
Cluster Pays

The cluster pays feature is such that the winning combinations formed activate in clusters. It debuted on the Aloha slot from NetEnt and differs from the usual left-to-right and vice versa mechanism while forming same-symbol combinations. The thing here is to land symbols adjacent to each other, meeting one of the four corners. Think Candy Crush or Tetris.
Megaclusters

Slots with Megaclusters feature are different from Megaways slots, but it is yet another slot feature pioneered by Big Time Gaming in 2020 on the game Star Clusters. These slots will not feature paylines or adjacent wins but will have their payouts based on a cluster of five-of-a-kind symbols touching vertically or horizontally.
One aspect is that these clusters can appear anywhere, not necessarily in consecutive columns or starting from the first reel. As you will notice, these slots usually operate the same way as those with a cluster pay feature, with the difference striking after the payout.
After a winning cluster, every symbol involved will disappear and will have four smaller symbols replacing them. These smaller symbols may also form new clusters, and the process continues until no new clusters appear. Other slots with the Megaclusters feature include Kluster Krystals Megaclusters from Relax Gaming and Cyberslot Megaclusters from Big Time Gaming.
Infinity Reels
Infinity Reels is another bonus feature you will find in some slot machines. The feature is a product of ReelPlay, whose idea is to gain a free re-spin and expand the game area with an extra reel every time you win. The game starts normally, mostly with three reels, and you can keep increasing the number of reels… to infinity!
The first slot from ReelPlay to debut the Infinity Reels feature was El Dorado Infinity Reels. Many providers like Relax Gaming, Boomerang, and Game Lab have since adapted the feature. NetEnt also has the InfiniReels concept in its game Gods of Gold InfiniReels, operating in the same way as Infinity Reels.
Cascading Reels

The feature is known by multiple names, including tumbling reels, avalanche, collapsing reels, rolling reels, chain reactions, and symbol drops. It is a bonus feature becoming common in most slot machines and reminiscent of classic games like Tetris and Candy Crush.
The feature activates after the reels spin and a winning combination is formed. The symbols involved disappear, with a new set of symbols replacing them, allowing you to make more wins. This goes on until no more winning combinations are possible.
Expanding Reels
As the name suggests, expanding reels is a bonus feature designed to expand the layout of a slot machine. By now, we know that any expansion on a slot creates room to further your wins. This is what the expanding reels feature does. The game may look like a standard three-reel slot but will stretch to house more rows and symbols. Some games activate the feature after collecting special symbols to land the bonus rounds, with others activating it after a winning combination. In contrast, other games offer a buy option to unlock and expand the reels. Wins of Fortune from Quickspin and The Jazz Club from Playtech are among the top slot games with expanding reels.
Rotating Reels

The rotating reels feature is uncommon, but you will likely find it in some bonus rounds. It is a feature you can expect as an incentive in a free spin round. While the feature is active, you will play the game normally and claim payouts as usual. But the display will rotate 90 degrees to receive a second payout. You will have another 90-degree rotation and a fourth one, each providing potential wins. Then the game resets for your next spin. In simpler terms, the feature will have you receive prizes for the same paylines in all four directions. We found this feature available in the Gods of Giza slot by Genesis Gaming.
Colossal Reels
Colossal reels are other bonus features you will find in modern video slots. Made by WMS (William Interactive), a part of Scientific Games, it features two sets of reels on one game screen. One is a small set of reels on the left playable over three rows, and the other is a five-reel set on the right with 12 rows. With this, you can spin reels across 100 paylines, providing an avenue for impressive wins. Looking for top slots with colossal reels? Try Epic Monopoly II from WMS!
Synced Reels
In some slot machines, synced reels are referred to as twin reels or linked reels. The feature is a brainchild of NetEnt and is another feature designed to create high payout opportunities. Synced reels activate as the symbols rotate, where at least two reels synchronize on each spin. You will notice the adjacent reels linking, displaying similar symbols in the same positions, increasing the chances of hitting winning combinations.
Yggdrasil Gaming has also implemented this feature on many of their games, although they brand it as Gigablox.
Win Both Ways
Usually, the majority of the slots payout from left to right after you complete winning combinations on the reels. However, the slots with the win-both-ways feature will pay out either from left to right or right to left. Starburst from NetEnt is one of the slots to begin playing if you want to enjoy the win-both-ways feature.
All Ways Pay
All ways pay slots go beyond the traditional winning lines, where you must form winning combinations on specific paylines. Instead, the feature allows you to create winning combinations anywhere within the reels, provided you land enough symbols on the reels, usually 8+.
243-way Slots
If you find paylines confusing, then maybe look at the massive collection of 243-way way slots. Rather than having paylines, they pay in every “way” possible on the reels. You simply need to look for matching symbols in any position on the reels from left to right to spot the wins.
Recommended slots in this category are all from Microgaming, with Immortal Romance, Thunderstruck 2, Terminator 2, and Jurassic Park being top-quality 243-way slots to play.
720 Ways to Win
The format operates the same way the 243 ways to win format operates by providing more opportunities for forming winning combinations, and this time, 720 ways to win. Slot games with such a feature have a slightly different reel structure that is a diamond-like shape, with the largest area falling in the center. The setup is 3 x 4 x 5 x 4 x 3, bringing up 720 ways to win when you match symbols on adjacent reels.
1,024 Ways to Win

The 1024 ways to win feature is available on slots with five reels and four rows (4 x 4 x 4 x 4 x 4 = 1,024), which is unlike the 243 ways to win feature on slots with a 5×3 layout. You can form winning combinations by matching at least three symbols left to right on the reels. The Crown of Egypt slot from IGT is one popular game offering 1,024 ways to win.
Megaways Slots
Big Time Gaming re-invented online slots with the introduction and further licensing of the Megaways payline system. Random numbers of winning paylines are created on every single spin offering “winning ways” generally well over 100,000 ways. Slots such as Bonanza (BTG) and White Rabbit (BTG) proved so popular with slot players that now pretty much all of the top slot developers have licensed the Megaways system and produced their own unique Megaways slots.
LuckyTap Slots
LuckyTap slots are almost like a hybrid of a slot machine and scratcher combined together resulting in a very colorful but simple-to-play game. Created by Design Works Gaming (DWG) this style of game is easily identified in a casino lobby with the LuckyTap logo along with a four-leafed clover.
Slot Features
Slot features are what define a slot, designed to make the gameplay experience more entertaining while at the same time contributing to boosting your payout. Almost every online slot has a feature or two, with popular ones like wild symbols, scatters, multipliers, and free spins headlining most online slots.
But important to note is that the slot features differ per the slot type. For example, the traditional fruit slots are known for their simplicity from the limited reels, paylines, and features, where you find nudge, hold, and gamble features in most cases.
But it gets different with video slots that do not only have more reels and paylines but also bonus features. Wild symbols, scatter symbols, and free spins are standard features for video slot machines.
Still, software providers constantly add innovative features like Megaways, cascading reels, and bonus buy to remain competitive while making gameplay exciting to slot lovers.
Free Spins

Like multipliers, free spins are what their name suggests. These are incentives triggered via scatters or bonus symbols, which usually allow you to spin the slots for free but expect real-money payouts.
You can also retrigger them for free in some slot games, where for example, you get more free spins added whenever scatters appear during the free spins round. You can also activate other features like multipliers during free spins.
Gamble

The gamble feature is more like a bonus game, where some classic slots provide the option to double your winnings through the feature. But this feature has an element of chance, allowing you to double your payout or lose everything. However, some slot machine games with gamble features are generous enough to allow you to gamble a percentage of your winnings instead of risking it all.
Nudge and Hold
These two features go hand in hand, with most slots having a nudge feature and the hold feature. The nudge feature is popular among the fruit machines, allowing you to change the outcome of a spin by moving the reel up or down by a position to form winning combinations.
On the other hand, the hold feature activates after a spin and holds a reel in place as the others spin. You can use the hold feature to hold a symbol that can trigger a win or lock the highest-paying symbols and try to activate a respin to land more of these symbols to land jackpot prizes.
Hold and Win
The Hold and Win feature brings out a lock-and-win functionality to the game. It premiered with the Money Train slot from Relax Gaming, and more providers like Pragmatic Play, Booming Games, Playson, iSoftBet, and Booongo are presently adapting the feature in their slot collection.
You can activate it by landing bonus symbols on the reels to land three respins. The symbols will remain on the reels, while new ones appear and become sticky, resetting the respins. It does not stop there, with one of four fixed jackpots activating after landing bonus symbols. Filling the whole screen during the bonus game awards the grand pot.
Chilli Heat from Pragmatic Play and Buffalo: Hold and Win from Booming Games are video slots with the hold and win feature found in multiple casinos.
Pick Me Bonus
Pick Me Bonus or Pick’em Bonus is one of the exciting features available in modern slots. You can trigger this slot feature by landing at least three bonus symbols. Once activated, you are taken to a second screen to choose 8-12 objects with prizes ranging from cash, multipliers, and free spins. The Slotfather, a slot from BetSoft, features the Pick’em Bonus, allowing you to collect up to 500 credits instantly.
Slot Game Providers
Software developers understand that players these days have high standards for online slots. Players nowadays expect immersive graphics and music, huge jackpots, innovative bonus games and features, and huge max win potential.
It is no surprise then that slot game providers are in fierce competition to create the next classic slot game. This has resulted in many players actively searching for specific game developers to discover new titles to play. If you find a slot you love to play, the chances are the developer has similar slots too. Several top slot developers have yet to reach the US fully in terms of real money gaming but keep an eye out for Play’n GO, Push Gaming, Relax Gaming, Novomatic/Greentube, and the insane range; from NoLimit City; to arrive!
However, some of the best slot designers in the industry already available in the US can be found below.
IGT
IGT (International Game Technology) is a massive name in the land-based slot machine market. Players will find multiple IGT online and mobile slots at licensed casinos in the USA. The company is responsible for classic games such as 7s Wild and Double Diamond. High rollers are also catered for with big stakes in games like Cleopatra Plus and Gong Xi Fa Cai.
Bally
Bally is one of the oldest slot machine manufacturers in America. Bally is part of the Scientific Games giant and supplies top-quality licensed games to prominent online US casinos. Some of the most popular Bally titles, adapted from land-based versions, include Anchorman, Cash Spin, and Quick Hit Super Wheel.
WMS
WMS Gaming/Williams Interactive provides entertaining and exciting slot machines to some of the best casinos in the world. Like Bally, WMS is a subsidiary of SG Gaming (Scientific Games). WMS is known for developing slot games such as Raging Rhino, Montezuma, Fire Queen, and Epic MONOPOLY II.
NetEnt /Red Tiger Gaming
NetEnt is a Swedish game developer that prides itself on offering unique and exciting slot games to over 300 operators. Gamers will know NetEnt for classic slot games such as Starburst, Gonzo’s Quest, Jack and the Beanstalk, and Jack Hammer. After acquiring the superb slot developer Red Tiger Gaming known for its outstanding graphics, you can now play slots worked on by both developers in Piggy Riches Megaways and Gonzo Quest Megaways.
Microgaming
Microgaming is one of the oldest suppliers of online casino game software and has a fantastic reputation in the iGaming industry. The company has enjoyed significant success with games like the Mega Moolah Jackpot slots and the popular 243-way slots such as Thunderstruck 2, Immortal Romance, Jurassic Park, and Terminator 2. While more recent releases have relied on smaller external development teams, they still produce top-quality online slots.
Nextgen Gaming
Nextgen Gaming slots tend to get distributed alongside WMS and SGi, but it is worth noting that have a range of superb real-money slots making this a developer you want to add to your must-play list. Standout titles include 300 Shields and the more recent 300 Shields Extreme with a bonus buy option. Classic slots such as Medusa, Medusa II, and the more recent Medusa Megaways. If Sticky Wild slots are your thing, then take some time to explore the Gorilla GO Wild and Gorilla Go Wilder slots from Nextgen.
Slots Apps
Mobile slots are different from online slots as they are designed to work on your specific operating system. The screen will be smaller, and players can access crucial information and the paytable with a finger swipe.
Read more about the best slots apps here:
How To Play Online Slots
Now let’s explain some of the core functionalities in order to demonstrate how to play online slots. Online slots feature numerous vertical reels filled with symbols. In every game, the reels spin and will stop at any time, thanks to a random number generator (RNG). This is regularly checked and audited to ensure the games are fair. Players win money by lining up matching symbols on paylines that cover the reels. Typically the paylines run horizontally, although some games feature vertical or diagonal paylines or even Cluster Pays.
You must first choose your coin size and the number of paylines you want to wager on. Some games have fixed paylines where you will have to bet on all of the combinations.
Slot RTP Explained
RTP = Return to Player
This is one of the first things you should check before selecting a slot to play. RTP represents the expected amount you should make back when playing a slot game for a prolonged period.
For example, Action Jack has an expected RTP of 94.35% (which is a little low!). This means that if I played with $1000, over time, I would be expected to get back $943.50 or make a loss of $56.50 which is also the house edge.
The industry average for RTP is 96.00% and you really want to play games with an RTP higher than this. In short – a higher RTP gives you a better chance of winning. You can usually find the RTP of a slot game in the game rules or pay table.

Volatility
Next to RTP, volatility is also important and this explains the expected win frequency and volume.
- Low Volatility – These games payout often but in smaller amounts. Slot players who like to ere on the side of caution and play intelligently will go for High RTP and Low Volatility slots.
- Medium Volatility – This is just a mix of both high and low and gives you average gameplay. Action Jack is considered medium volatility.
- High Volatility – These games payout infrequently, but in larger amounts and you have a better chance of bigger wins. High rollers and those who want to hit the big payouts will favor high volatility slots.
Pay Table

The pay table traditionally explains the different symbols and their payouts. You can usually access this in-game by clicking on the rules button or something similar. Sometimes, game rules and the pay table are kept separate, but sometimes they are one and the same. In the pay table/rules, you can find explanations on:
- The symbols and their payouts.
- Special symbols like wilds and scatters.
- Bonus rounds like free spins.
- A graphical list of the paylines.
- Other important game rules like RTP and max payout info.
The symbols can be shown with their payout in coins or dollars so pay attention to the wording underneath. For example, in the Action Jack pay table we can see that the figure represented is a line win multiple by your line bet.
If you find the payouts confusing, all slots will show your winning value once the reel has stopped spinning so there should be no confusion. But note that the pay table is often dynamic and the values will change based on your current bet value in-game.
Bonus Symbols

Aside from the basic winning symbols, many slots have special features and bonus symbols. I advise familiarizing yourself with the four most common symbols as they will appear in some form in most games:
Bonus Game Symbols
The bonus symbol can have a payout, but its main purpose is to trigger a bonus feature like free spins or some type of skill game.
Wilds
Almost every slot has a wild symbol. These symbols substitute all other symbols, except scatters and jackpot symbols, in most cases, to help form winning combinations. Creating a combination through wild symbols can also activate other features, explaining why you will find more wild symbol variations depending on the slot game. They include:
- Sticky wilds: The symbols remain in place for the next spin.
- Shifting wilds: A bit similar to sticky wilds, but shifting wilds shift a position in any direction instead of remaining in one place.
- Expanding wilds: Expand on the reel, making every symbol a wild symbol.
- Multiplier wilds: Multiply payouts from the wins made via the wild symbol.
- Stacked wilds: Fill the entire reel when they drop, stacked on each other to help complete winning combinations.
- Transferring wilds: Replicate themselves across other reels leading to big returns.
- Walking wilds: Appear at the end of a reel and move along after every spin until it disappears.
- Random wilds: Appear randomly on the reels.
Scatters
Like wilds, scatters are other common symbols in almost all slot games. These symbols help trigger bonus rounds like bonus games and free spins. A quick look at the pay table will highlight the number of scatter symbols you need to activate the feature. In most cases, you will need at least three scatters landing anywhere on the reels to activate the bonus rounds. Such symbols perform their role indifferently to where they appear on the reels – you usually don’t have to match them on paylines, thus the name scatters.
Multiplier Symbols
The feature operates as its name suggests. Once activated, these symbols multiply your payout by the predetermined value to boost your prizes. They start from x2, doubling your payouts, and can reach the thousands range. You can find multiplier symbols during the base game, free spins round, bonus games, or other bonus rounds. Important to note that multipliers do not only work to multiply your wins but can multiply your line bets or total bets.
Expanding Symbols
Expanding symbols are other exciting slot features in online gambling sites. Before the free spins rounds, you will have a random expanding symbol designated to expand and cover the reel.
The highlight is that the feature does not have the adjacent reel requirement. During the bonus round with the expanding symbols, you will have multiple three-of-a-kinds should you land 3+ on any three reels.
Split Symbols
Split symbols are other features in modern games, including those from game developers like Yggdrasil, IGT, and Playtech. These symbols allow you to improve your winnings by doubling up as two symbols in a single reel space. They may appear as regular symbols or sometimes as wild symbols or scatters. Archer from Playtech is one of the online slot machines to play and trigger split symbols.
Bet mechanics
You need to understand simple bet mechanics too so you know how much you are spending. Most modern slots simply allow you to set a total bet value per spin – this keeps things easy.
Some games allow you to set a line bet value and the number of active paylines. This gets a little more complicated as your total bet value is usually the line bet value x the number of active paylines. For example, if you selected 10 paylines and a line bet value of 0.2, your total bet value would be $2.00 (0.2 x 10). Some games have set paylines but still give you the line bet option too.
In most instances, the total bet value is still shown regardless but it’s important to be aware of the difference. Below we can see the Action Jack slot game again and this simply shows you the total bet value.

Paylines
A payline is a winning combination or winning line. Most slot machines have multiple pay lines or ways to win. You can usually find the different pay lines in the game rules or pay table of a slot game if it has a small number like 20. For example, Action Jack has 40 paylines that pay left to right only. Paylines typically pay in a set direction and for adjacent symbols only.

Online Slot Bonus Rounds
The best online slot machines will have several bonus rounds and special features. These bonus rounds can be activated by hitting the required number of scatter symbols, or they can just be triggered at random. The most common slot bonuses include:
- Free Spins: Bettors receive several free spins, sometimes with a prize multiplier attached.
- Wilds: Wilds are the joker symbols that act as a wild substitution to all regular symbols present on the reels. They help to complete winning combinations across the reels. Wilds can have multipliers attached to them, act “sticky on the reels, expand to make wild reels, and numerous other special features. Popular in slots such as Vikings Go Wild and Dead or Alive II.
- Pick ’em Bonus: With a pick ’em bonus, players can choose from various hidden symbols on the screen. Each symbol hides a variety of rewards, including cash prizes, free spins, or multipliers. Players should keep choosing symbols until the “Collect” or “Bonus End” sign appears.
- Prize Wheel: You may get lucky and win a spin of a prize wheel with free spins, multipliers, stake-based cash rewards, or even jackpot cash sums.
- Bonus Buy: A feature on modern real money slots that allows you to bypass a slot’s base game and instantly trigger the main feature. Bonus Buys can be expensive. They are generally stake-based, the cost to buy them reflects how volatile the bonus round could be! On average, they will be around 100x stake but can vary massively if the bonus round is very volatile and lots of special features are added. Approach these features with caution and have a good understanding of the slot before buying them.
The above bonus rounds present an excellent opportunity for players to improve their bankroll. Additionally, these rounds don’t just give you more chances of winning some cash at a slot game, but they are also exciting and entertaining. When deciding which online slots to play, try and choose one that has a significant amount of bonus features. Another important thing to keep in mind are the online slots real money no deposit bonuses you can make use of when registering at a casino.
Developers are constantly adding new and different twists to slot bonus features, the list of various bonus rounds could be endless, but we have covered the main types here.