One of the biggest delights of gambling online is the mass of slot machine games available to play for real money. At CoolCat Casino, US players can get their paws wet with the most spectacular slot games that pay real rewards from the get-go. Choose a theme that suits your taste and preferences from an abundance of 3-reel and 5-reel video slots, and get the best no-deposit bonuses to use on your favorite games for even more chances to win!

Slot games

A low-volatility slot machine has regular but smaller wins, while a high-variance slot machine has fewer but bigger wins. Weight count is an American term referring to the total value of coins or tokens removed from a slot machine's drop bucket or drop box for counting by the casino's hard count team through the use of a weigh scale. Low volatility slots will hit frequently but have lower payouts, while high volatility slots will hit less frequently, however, will payout in much higher amounts. Right in the middle are medium volatility slots. These will pay out more often than low volatility slots but with smaller amounts compared to high volatility slots. For example, you might be happy with a high-volatility game that pays out less often but has a higher jackpot, like a progressive. But someone else may prefer to get paid more often, even if it means the top prize is lower, which is offered by the low-volatility slots.

How to Play Online Slots

Playing online slots isn’t too different to playing slots in a land-based casino. Although the objective is the same, the differences are the fact that you have many more games to choose from, plus the added benefit of being able to play for extra cash, bonuses and bet multipliers. These are all reasons why more and more US players are taking to the internet to play slot games over their physical counterparts, and why it’s very possible that online slots will eventually surpass traditional slot machines in years to come.

Here is how you can sign up to play online slots for real money:

• Create a new player account by keying in a few personal details
• Enter your banking information and select your preferred payment
• Deposit any funds you want to use at the Cashier
• Redeem your one-of-a-kind welcome bonus
• Pick your favorite online slot game
• Select your bet amounts using the arrows at the bottom of the game screen
• Hit spin and watch the wins roll in!

There are hundreds of options to choose from in the CoolCat lobby, including single payline slots and games with multiple paylines and several reels. Feel free to try them all out for size and see which one fits your playing style. It’s only a matter of time before you’ll be wracking up wilds and using scatters to get you closer to the big kitty!

If you’re entirely new to playing slot games online and want to get more familiar with how they work, you’ll find a ton of information on the CoolCat blog, with guides to choosing the best-paying slots, history and facts, plus top tips to help maximize your chances of winnings online slots, and others such as live dealer games, plus the table and specialty varieties.

How to Pick Online Slots

Choosing an online slot comes down to personal preference, however, you can establish whether each one will be a good option to play or not by looking at the game’s features and paytables. This information will tell you things like the average return on a slot game, and give you an idea of the combinations needed to achieve a payout.

Select Online Slot Games Based on Your Bankroll

The best part about playing slots online is that you can play them all entirely for free first.

It doesn’t matter if you’re down on your luck in a game –you can always quit and move onto something else. But when it comes to playing for real money, this is where you have to be selective. Slots come in all sorts of shapes and sizes these days and each one features a different volatility and betting range. It’s always best to pick a game that’s in line with your finances and bankroll if you don’t want the risk of chasing losses.

Choose Slots Based on Layout

Slot machine engineering has come a long way since the days of the one-armed bandit. Now players can choose from 3-reel slots, 5-reel slots, 3D-slots, i-slots, slots with one payline, slots with hundreds of paylines — even one-of-a-kind slots that feature no reels or completely different layouts altogether. It can be hard to gauge which ones are the best if you don’t do a bit of homework beforehand. This is again why it’s always worth checking the information on the paytables and ensuring it’s one you can grasp before spending money.

Choose a Game with a Theme You Like

Developers are never short of inspiration and ideas for creating new and innovative slots. The graphics have grown to become sharper and more defined in these online games, as has the authenticity of the sound effects and animations. However, it’s the all-encompassing amount of themes they come in that has pushed online slot games to new degrees in the last few years.

From romance and fantasy, to animal themes, oceanic slots, horror-inspired themes, and slots that feature hilarious parodies of your favorite stars and celebs — online players are never short of exciting themes and diverse layouts to choose from at CoolCat casino. You’ll always be able to find a game that’s ideal for your playing style and bankroll, and which provides the standard of entertainment and motivation needed to win.

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Slots are a top favorite of ours at CoolCat, which is why you’ll always find a wealthy mixture and variety of online slot games to choose from. Whether you’re looking to play with classic 3-reel slots, get more ways to win with 5-reel slot, or play more exotic slots that have an explosion of bonus rounds, bet multipliers, and progressive jackpots to play for -- you’ll never be short of anything to play here at CoolCat. Our online slots also come with the most lucrative match bonus offers and free spins to use when you deposit a minimum deposit or more. Be sure to check out our list of exciting slot match bonuses, plus other promotions to use on your favorite table, card, and dice games!

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Types of Online Slots

Slots have evolved considerably since they came on the market. They were modeled on the classic layout seen in land-based casinos initially, but when the second screens were added, that’s when the reels and paylines transformed as well. Here are the types of slots you’ll find in online casinos today:

3-Reel Slots – These are slots that work with one single payline and three reels for matching up different combinations. Usually, 3-reel varieties don’t feature bonus rounds and tend to have very few paylines, so the payouts can be few and far between. These are classic-style slots that are perfectly suitable for beginners.

5-Reel Slots – These are the most popular types of slot now found in casinos online and offline. Most 5-reel slots come with bonus rounds, wild and countless ways to acquire free spins, and games. In addition, 5-reel slots also tend to work with more paylines, which gives players more chances to win real money.

7-Reel Slots – 7-reel slots are nowhere near as popular as the above, but they still exist at various online casinos. These games feature the same wild and scatters as seen in 3 and 5-reel slots, only there can be anywhere between 20-50 symbols to play with.

Progressive Slots – Progressive jackpots are common in 5-reel slots.

These games feature a progressive jackpot amount that
increases as more people play. The game deducts a percentage of every wager, then adds it to the total jackpot amount. On some occasions, this figure can reach into the millions, but you must bet maximum coins to be eligible to win a progressive jackpot.

3D Slots – 3D slots have been made to look as lifelike as possible, but you don’t need special glasses to play them. They are much less popular than 3-reel and 5-reel slots.

Video Slots – Video slots are basically the definition of online slots. These are all slots that work with computerized displays instead of the traditional mechanical reels used to power land-based slot machines.

Free Slots – All online slots can be played for free, but players aren’t able to win any real money or use any bonus offers on these games. They are best for practicing a slot game before playing for real money rewards.

How Do Online Slots Work?

Instead of levers and pulleys, all modern-day online slots work with software known as Random Number Generators, AKA RNGs. These are the powerful algorithms that ensure every result that occurs in a slot or casino game is always a unique event. Online slots also work with reels and paylines, where players must match up specific combinations in order to achieve a winning payout or unlock an exciting bonus feature. These kinds of features will often give the player extra chances to win free games, free spins, and other sought-after prizes.

Slot Coins – Coins are displayed as the betting values that you can choose to wager in online slots. These can range from as little as $0.05 to $5 or more, depending on the game. As an example, if you were playing a game with 20 paylines and placing bets of $0.05, this means you would be betting $1.00 a spin. Players can use the little arrows in the game screen to select the number of coins they want to bet on the paylines at the start of each game.

Paylines – Paylines are the area where the combinations of symbols appear in a formation. They also dictate how much you are capable of winning, and normally run across all different directions on the screen, including vertically, horizontally, diagonally, or in a zigzag pattern. The most common method for matching symbols is left to right, but some games and certain bonus rounds are known to have paylines that line up the opposite way. There are also All Ways paylines which must be aligned on the reels, but not consecutively across the paylines.

Maximum Bet – Selecting “Max bet” in an online slot game will increase the current amount of coins to the maximum betting range. Players who want the chance to win large sums of money opt for this feature because it’s the only way you can play for the progressive jackpot in slot games.

Scatter Symbols – The scatter symbol is categorized as one of the highest-paying symbols in slot games. Each slot will have a scatter that represents a different value and function, but usually when the symbol appears anywhere on the reels, a bonus round consisting of mini-games, free spins, or other features is triggered. If a certain number of scatters appear simultaneously, this will often retrigger certain features and give players more opportunities to pick up prizes. You can find information on what the scatter represents in slots by referring to the paytables.

Wild Symbols – Wild symbols are even more exciting because they have the power to replace all existing symbols in the game apart from scatters. Players could be one click away from a winning pattern when a wild comes into the mix, which is why they’re such an important part of the gameplay.

Multipliers – As the name implies, multipliers are features that have the ability to multiply your winnings by a set amount. This figure can range from as little as 2x to 1000x, and they normally appear during bonus rounds. Multipliers are common, although not every online slot has them. You can check a slot’s paytable to see if this feature is included.

Online Mobile Slots

Mobile gaming is the new way to play and enjoy slots for a large portion of players, on top of other casino games. Game providers have put as much effort into making sure the mobile versions of the most popular video slots to embody the same cutting-edge graphics, sounds, animations, and jackpots as the desktop versions. CoolCat also offers the top-shelf varieties of mobile slot games that players can partake in from their smart devices, and still win equally huge sums of money. Moreover, players can make use of the same lucrative bonus codes to use on the mobile versions of their favorite slots too, inclusive of free spins, and other rewards.

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Land-Based Casino Slots vs Online Slots

Online

• Online slot games are available to play 24-hours-a-day and usually have a higher payout percentage than their land-based ancestors.
• There are hundreds of more varieties of online slots compared to land-based machines. These also contain different layouts, themes, jackpot amounts, paylines, and other features.
• Bonus rounds are only found in online slots. These provide the player with more winning opportunities through free spins, free games, and large bet multipliers.
• Although some online casinos allow you to withdraw high amounts of cash at one time, it can take a number of working days for you to receive the money in your account.
• Many online slot games require you to play a certain amount of times before you can claim winnings, particularly in instances where a bonus has been used.

Land-Based

• Playing slots at land-based casinos is far more authentic and socially engaging than playing slots online.
• At land-based casinos, you can literally walk straight up to the Cashier counter and claim your winnings there and then.
• Unlike online slots that can have a myriad of different features, land-based slot machines are a lot more simplistic in layout and more traditional.
• As brick-and-mortar venues have to account for maintenance and repair costs, the payout percentages in land-based slots are much less compared to online games.
• Land-based slots work with the classic 3-reel layout and aren’t digitized; therefore, they do not feature any second-screen events or bonus rounds.

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History of Online Slots

Physical slots date as far back to 1895, when mechanic Charles Fey created the first five-drum slot machine with an automatic payout system. It became known as the Liberty Bell, and worked with traditional fruits, bells, and bars symbols, as well as poker cards to make up a winning combination on the machine’s only payline. The prizes dispensed were mere of any value; players would receive items like chewing gum, cigarettes and free drinks tokens instead of real cash.

By the time slots did eventually go online in the year 1996, the introduction of Random Number Generators became a game-changer, and it was prestigious companies like Microgaming who brought in the first video slots that worked with the sorts of features we know and recognize today. Developers began to experiment with adding more reels and paylines and seeing what different themes they could come up with to attract a wider player base.

Of course, by this point, the jackpots in these games were programmed to grow exponentially high. The probability of winning, however, remained near enough the same. High-paying symbols were also incorporated into slot games to help players have better chances of winning, along with scatters and wilds which were also capable of giving the player a further advantage.

Since these new features were introduced into the games, online slots continued to grow in popularity and demand. Now, slots are available to play 24/7 at online casinos, and they can be played from practically any smart device that can sustain an internet connection. Slots are also the most played games in casinos online and offline; generating two-thirds of the revenue produced by casinos around the world.

Why Do Americans Love Playing Slots Online?

With the U.S. being home to the gambling mecca of Vegas, along with the largest casino in the world, it’s no surprise many Americans have a hardcore passion for playing games. The problem is, not everyone has time to hit up their local casino every time they want to play slots, especially if they don’t even live close to one.

This is why playing slots online can be a convenient option for many people because they can still have fun and win real money without the hassle and expense of visiting a real casino. Players are able to enjoy a bigger selection of games to choose from online, and the jackpots available in online slot games tend to be higher as well. Here are the other key reasons as to why so many Americans love to play online slots.

Slots are highly accessible – Unlike playing slots in land-based casinos, players are able to access slot games 24/7 at online casinos. On top of being able to gamble in complete privacy, they can also go at their own pace and practice for free.

Americans believe they can get lucky – As slots are based on chance, naturally there’s always hope that a mega win will appear on the next spin. This wishful kind of thinking is enough for players to manifest more time into online slots over other casino games.

Slots require no skill or strategy – You don’t need to be a pro to hit the jackpot in online slots. A strategy also isn’t a requirement as the outcomes in online slot games are always random.

Slots are cheap or free to play – There are no expensive buy-ins with online slots. Players can choose to wager as little as $0.01 up to $100 a game. They can also play entirely for free.

Players can use mobile slots apps – It doesn’t matter if you’re standing in a busy line or waiting patiently for a bus, the beauty of mobile gaming means it’s now possible for players to gamble whenever they want, wherever they are.

Tons of slots available nonstop – New releases of exciting slot machine games are being pumped out every month by game developers, and online casinos are continuously updating their gaming lobbies with fresh releases that Americans can play for real money.

ConclusionThere are a myriad of reasons that make playing online slots so gratifying. Whether it’s the expanse of brilliant and creative themes they come in, the opportunities to score inconceivable amounts of cash, or the fact that players can access them 24 hours a day — online slots provide an experience that’s hard to match with real slot machines and many other casino games for that matter. If you’re ready to explore the world of online slots and want fantastic bonus offers to use with them regularly, look no farther than the hundreds of online slot games available at CoolCat!

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Playing for Real Money at CoolCat Online Casino: FAQS

Just in case you’ve still got some unanswered questions when it comes to online gambling, here are the most commonly asked ones from players who gamble for real money here at CoolCat.

Absolutely. All the slot games at CoolCat Casino employ random number generators (RNG) to ensure the results are totally random. This means that you can win on each spin, even if you just had a payout on the previous spin. The RNGs are certified by trusted third-party software testers to be 100% random and fair.

Wild symbols are often called substitute symbols because they substitute for all symbols to help you make a winning combination. Scatter symbols are special symbols that have a prize value (coins or multipliers) when they appear more than once on the reels. The symbols match the slot theme and add extra excitement to the game, and often trigger feature rounds within the game. Many slot games have animated scatters and wilds to pack an extra punch.

A volatility rating is a measure of the payout size and frequency of a slot game. A slot with low volatility pays out regularly, but in lower amounts. A high volatility game means a higher risk, meaning fewer payouts at larger amounts. But for those who enjoy the thrill of the risk, the wins can be huge. Part of choosing your favorite online slot game is to try them out for free first and decide which ones are right for your playing style.

The beauty of online slots is that you can play them for free or real money – or both! Our advice is to try out all our slot games for free first, then when you find your favorites, you can play them for real money. This is the best way to have fun playing online slots while minimizing the risk to your bankroll. Once you’re confident in the way your favorite slots work, just make a deposit in your CoolCat account and start playing slots for real money. And don’t forget the cool bonuses!

For those in search of the ultimate slot reward, play our jackpot slot games for the chance to win huge amounts of cash. Just sign up for a CoolCat Casino account and choose from our extensive list of hundreds of online slot games. Some of these slots feature jackpots bursting at the seams with real money! Play progressive slots for the ultimate wins, as they increase in size every time somebody plays the game.

CoolCat Winners

Ted plays CoolCat Casino almost every day, he loves our games and he loves the wins that come with them. Ted also likes playing a variety of games from Enchanted Garden to Sweet 16 and this day was no exception.

He generally starts off betting low and steadily raising his bets according to his wins. Ted started by using code THATSMINE to try out or newest slot game Gemtopia with 30 Free Spins and a 250% No Max Bonus on his deposit.

After winning $900 in Gemtopia, Ted moved on to his personal favorite Purrfect Pets and went on to hit the many features in the game, pushing his balance up by a further $10,000. Finally, he went on to play Sweet 16 where, through the morphing feature, which raises the multiplier up to 12x for every win that is made in a row, he made a cool $45,000. Not bad for his daily dabble on CoolCat.

CoolCat Winners

Martin was on break from work at 4:10 PM last Wednesday, so he decided to play one of the newest games on CoolCat, Kung Fu Rooster.

He had some leftover balance from his previous games, so he started betting at $30 a spin. He wasn’t winning anything for the first few spins, but less than two minutes after he began playing, he won $3,000 on a single spin and triggered the feature.

Then, on a single spin in the feature, he won $22,400. Without betting anything. His total for the feature: $24,400 in 10 free games.

His break was over four minutes later, but he went back to work knowing he won $29,537.50 on Kung Fu Rooster.

CoolCat Winners

Steve started playing Naughty or Nice at CoolCat at 8:24PM last Wednesday. He was coming off of a previous win, so he bet big from the get go.

Almost immediately, the big bets started paying off. Within the first minute of playing, he won $1,037.50.

Then, he got $812.50, $400, $1,450. All on single spins. A few minutes later, he hit his first Feature and won $1,800 on 12 Free Spins.

He soon triggered his second Feature. Again, 12 Free Games. But this time, he won $64,725.00 across the 12 Spins. Without betting a cent of his own money.

Steve played for some time longer, adding a few more wins before calling it a night. Not bad for a Wednesday night.

CoolCat Winners

Matt couldn’t sleep last Friday night, so he tried playing a few of his favorite slots at CoolCat Casino before he settled on one of our newest games, Kung Fu Rooster.

He was coming off a previous win, so he started betting at $60 a spin.

Less than a minute after he started playing, he triggered the Feature. He got 10 Free Games and won $1,225.

That was just the beginning. Back in the base game, he won $575, $550, $465 in a space of 20 Spins.

But it was the final Free Game Feature that really made Matt’s night. He triggered 20 Free Games and won a total of $21,785. That’s a good Friday night.

CoolCat Winners

Before starting her day yesterday, Amy decided to play a little Cash Bandits 2. Turns out, it was the best decision she could’ve made.

She started playing at 7:56AM less than a minute later she won $16,000 on a single spin.

Encouraged, she decided to continue playing Cash Bandits 2. Her big moment came when she triggered the Feature at 8:07. Her correct guesses in the Vault Feature got her 75 Free Games.

Without making additional bets, she won $88,110 in the Feature. Amy then had to head to work, but she was a lot happier than when she woke up.

That’s a morning well spent.

CoolCat Winners

Just yesterday, Hannah saw the newest promotion on CoolCat Casino and decided to try her luck with the CoolCat exclusive bonus code, which awarded her 40 Free Spins on Cash Bandits 2.

She started spinning her $25 bets at 5:32 PM, but her first twenty spins only brought in $155.

But then.

She triggered the Feature and won an additional 80 Free Games. She won, $100, $100 and $150 on her first three spins. And that was only the beginning. She won a total of $12,260 in the Feature.

Related links

• Everything about Progressive Slots
• Introducing Jumping Beans – CoolCat’s Brand New Game
• 3 Games You Should Play This 4th of July Weekend

Free Online Slots – No Download Or Registration Required

Wheel Of Fortune

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Above, you’ll find a selection of free slots that you’ll likely recognize if you’ve ever been to the Las Vegas Strip.

These are the tried-and-true favorites. From Monopoly to Cleopatra, these are loved at both online and land-based casinos for their exciting gameplay, unique themes, and incredible winning potential.

Playing free slots online is one of the best ways to try out these popular titles and practice your strategy. Many players also enjoy free play to relax and experience casino fun risk-free.

Where To Play Online Slots?

Free Slot Machines

The fastest and easiest way to play online slots is to find free slot machines. Of course, this page features 10 of the best free online slot machines that you can enjoy right now.

But this isn’t the only site that hosts free slot machines. Thousands of sites host a free version of some of the most popular titles in the world. In fact, if there’s a slot you played at a casino that you’d like to revisit, a simple web search would likely pull up the free version.

You can play free slots via your desktop or mobile browser. These streaming versions of the game require nothing more than a click, and you can start playing. Another option is to play free slots apps, and many exist in both Apple’s App Store and the Google Play store for Android.

The reason people play free slot machines is for a variety of reasons. The most common is simply for entertainment. Like some would play mobile games like Candy Crush or Words with Friends, fans of slot machines like to play the free versions every now and again.

Another good reason is to practice on the free version and take what you learn to the paid version. The goal is to get more wins or improve your Return to Player (RTP).

Legal Online Casinos

Legal online casinos with paid slots only exist in a few US states:

• Delaware

If you’re not physically located in one of those states, playing real-money online slots is technically breaking the law. At the very least, the online casino operators are violating the law by offering their games to people in the state.

However, the consistent introduction of online gambling legislation in states across the country means that list may grow beyond these five states in the future.

In states where online casinos are legal, you can deposit money, bet on the slots, and withdraw any winnings. Like the brick-and-mortar casinos, the most popular slots at the online casinos have progressive jackpots, which can grow to over a million dollars.

You can also play any of the slots at online casinos for free in “demo mode,” where you’re using practice credits instead of real money. You can often do this before you even create an account.

Sweepstakes Online Casinos – Slots For Cash Prizes

In all of the US except for the State of Washington, you can legally play at sweepstakes casinos, a category of social gaming that also includes online poker and sports picks. This is a great option in states like California, Florida, and Texas, where real money online casinos are prohibited.

The two main sweepstakes casinos are Chumba Casino and LuckyLand. Both offer a large selection of slots that you can play for two different types of currencies: Gold Coins or Sweeps Coins.

Gold Coins are used simply for fun and can’t be redeemed for a cash prize or gift card. However, you can also play in Sweeps Coins. Any Sweeps Coins that you win can be redeemed for cash prizes or gift cards. You just need to have the minimum number of won Sweeps Coins before you can redeem.

To receive Gold Coins and Sweeps Coins, no purchase is required. Once you join, you’re given both types of coins for free to play with. You can also purchase additional Gold Coins. Some Gold Coin packages of include Sweeps Coins.

Check this out to learn more about How To Play Sweepstakes Casinos.

How To Play Slots For Fun Online

Playing free online slots is the same as playing paid online slots, minus the need to deposit any money or even create an account. That’s why playing slots for fun online is free in every US state, including the State of Washington.

Volatility Slot Machines

You can play any type of slot for free. This includes classic three-reel slots as well as 3D five-reel slots with immersive bonus games and other special features.

The gameplay, including the odds of winning, is the exact same between the free slots and the paid slots. However, if the slot normally has a progressive jackpot, that will be absent from the free version.

Do you need to sign up or deposit to play free online slots?

No. And, in most cases, there’s no way to create an account much less make a deposit.

However, some land-based casino websites, which do offer player accounts, have free online slots on their website. This came into even more prominence during the COVID-19 pandemic.

Can you win playing free online slots?

Yes. Just like in the paid version, you can win without limits on the free online slots. But what you win is additional freeplay credits, and refreshing the web browser will reset your bankroll.

How Do Slots Work?

Slots are by far the most popular casino game for a few key reasons:

• Huge winning potential
• The option to play for low or high stakes
• The gameplay is extremely simple

Once you know the basics of slots, you’ll be able to play any type that you’ll come across. While each title can seem wildly different, they all work in fundamentally the same way.

The object of a slot machine is for a winning combination of symbols to appear when the reels stop. This is true whether it’s a three-reel or a five-reel slot.

Setting Paylines

A winning combination of symbols is based on paylines that run across the reels. A slot can have as few as five paylines or over a hundred.

Usually, the symbol combinations are left to right across the paylines, and each payline can win independently. That means the more paylines you play, the higher your chances of scoring a payout.

In slots, wins are multipliers, not set amounts. So if you’re playing a slot with 25 paylines and your total wager is $5.00, each payline would have a value of $0.20. If one scored a 100x multiplier, you’d win $20.

To play all paylines for the highest possible value, you can select “Max Bet.”

Should You Always Do Max Bet?

No. You should always play with however much you’re able to lose.

However, playing max bet does two things: gives you the best chance of winning the highest possible prizes.

Further, you may need to play Max Bet to qualify for certain prizes, including the progressive jackpot. Check the rules of the specific slot to make sure.

Slot Payback (AKA Return to Player)

A slot’s payback is how much a player can expect to keep of their bankroll based on the average net wins. This is also known as Return to Player (RTP). A high slot payback is 90% or higher, and a low slot payback is 70%.

No slot has an average lifetime payback that’s equal to or greater than 100%. However, some players seek out the games with the highest RTP to ensure the highest chances of regular wins. Others prefer the longshot slots, which have the lowest RTP but normally the highest potential prizes.

Bonus Features

A slot’s biggest selling point aside from the jackpot, RTP, and overall theme are the bonus features. These are usually triggered when three or more “scatter” symbols appear on the reels. You then have the opportunity to win more money, either through free spins, a minigame, or selecting a hidden prize.

Wild Symbols

The Wild symbol usually best matches the theme of the game. For example, Cleopatra is the Wild symbol in the Cleopatra slot.

Wild symbols can take the place of any other symbol aside from the scatter (and possibly other specialty symbols) to create winning combinations. Five wild symbols will often trigger the top prize fixed jackpot.

Progressive Jackpot Slots

When a slot has a progressive jackpot, it means a portion of every bet placed by everyone playing the slot contributes to a running total. The total progressive jackpot continues to increase as people play until it’s won by a lucky player, then it’s reset and starts again.

How to win a progressive jackpot depends on the slot. In some cases, it’s simply randomly awarded at the end of a spin, and you may need to “Bet Max” to qualify. Others will involve a bonus game.

Different Types Of Slot Machines

Because slots are always innovating, it’s difficult to create a list of the different types. Instead, let’s look at the key factors that separate one slot from another.

Number Of Reels

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Three-reel slots are usually the simplest, where one payline runs across a maximum of three symbols.

Five-reel slots are the most common and can range from a handful of paylines to 743 All-Ways-Pays slots, which covers every possible combination of symbols going up and down and left to right across the reels.

Four-reel, six-reel, seven-reel, and other slots are pretty much nonexistent in physical casinos but you can find some online relatively easily.

Video Vs. 3D Slots

Video slots are the most common form of five-reel slots and often feature bonus and free spin features. 3D slots are the same, except they use 3D animation and graphics whereas video slots use 2D.

Denominations

Penny slots earned their name by allowing players to bet with just $0.01. But some slots can cost a minimum of $1.00 per spin, and betting the max can make your overall wager climb to as high as $125 or more.

Volatility

When a slot is labeled low volatility, it means it pays out low wins regularly. When it’s labeled high volatility, it means you’ll often go for several spins without winning, but the winning streaks are often larger when they do come.

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Coin Play Vs. Paylines

Coin play means you’re simply setting the coin value that applies to the multiplier wins. Some variations, called Buy-Your-Pay Slots, won’t allow you to win certain amounts or activate certain features unless you increase your coin value.

Paylines are either fixed or variable. For both, you set the value of each individual payline, and multiplier wins apply to that payline. But with variable paylines, you can set the number of lines you want to play as well as their value. With fixed paylines, you automatically play all of them.

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Brick-And-Mortar Casinos

The most common place to play slots is at a land-based casino. In most states, casinos are either commercially operated or tribal-owned and located on Native American lands.

The ten states that do not have any land-based casinos are:

• Alaska
• Hawaii
• Georgia
• Utah
• Nebraska
• Kentucky
• South Carolina
• Virginia
• Vermont

The highest concentration of casinos and slot machines in the United States can be found in Las Vegas, Nevada. And not only that, it’s also where you can find the largest jackpots of all time. In fact, the top six biggest casino wins ever were all on Vegas slots.

Another major hotspot is Atlantic City, New Jersey, where several casinos operate in close proximity. But if you live in the continental United States, there’s a good chance that there’s a casino with over a hundred slot machines within driving distance.

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Why are slots the most popular game at the casino?

Slots can make up 75% or more of a casino’s total gambling revenue. That means the rest comes from all table games and poker tables combined. Why? Because slots are fun, attractive, and can turn relatively low wagers into multi-million-dollar payouts.

The Most Popular Slots Offer The Highest Payouts

It should come as no surprise that the easiest way to get people to play a slot is by offering an enormous potential jackpot.

Enter the slots area of a Las Vegas casino, and you’ll find dozens of options with a top prize that can be well into the millions. All it takes is one single spin to win it all. That’s hard to resist.

So it’s no wonder that the progressive jackpots are the most popular. The most talked-about usually is.

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Free Online Slots FAQ

Yes. No matter where you’re located in the US, it is completely legal to play free slots online.

Because you’re playing with demo credits rather than real money, it’s not considered gambling. And if you download a free slots mobile app, you don’t even need an internet connection to play.

Yes, you can win real money playing slots online. However, you’ll need to be in one of the three states (DE, NJ, and PA) where it’s legal to win money legally. Michigan and West Virginia will soon offer legal online gambling as well.

To win cash prizes, anyone located in the US (except for the State of Washington) can legally play at sweepstakes casinos, which have a wide range of online slot machines.

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You can also play free slots using demo credits that cannot be redeemed for prizes right here at bonus.com and elsewhere.

No. You do not need to create an account to play free slot games online. Even if you’re playing in demo mode at an online casino, you can often simply go to the site and select “play for fun.” Only online casinos and sweepstakes casinos require signup to play.

No. You do not need to download anything to play free online slots. The titles are instantly available directly through your web browser. However, there are a number of free slots on your phone whether on your Android or iOS device.

Yes. Most of the popular Las Vegas slots are available to play for free online. That’s because a lot of the gaming software developers provide their titles to both brick-and-mortar casinos as well as online casinos. Plus, the demand for the most popular options make them particularly readily available.

Yes. Because you do not have to create an account, you’re not providing any of your personal information. Unsafe slots are those run by illegal online casinos that take your payment information. Free slots are always completely safe simply because they don’t accept real money.

The benefits of playing free slots include:

• The ability to play simply for the fun of it.
• Testing a game to see if you like it.
• Practicing strategy before risking real money.
• Placing huge bets that you otherwise wouldn’t want to do.