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Free Slot Games – Play Slots Online For Free on Demo Mode (No Download)

Play the hottest video slot titles online with the help of our toplist containing the best online casinos in the US that offer free and real-money slots. Read through our guide to learn about different types of slots, how they work, how to unlock video slot bonuses, and more.

Best Casinos to Play Free Online Slots

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Wild Casino

Accepts US players
Bonus Offer: $5,000 Welcome Bonus
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  • Great selection of slots
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Ignition Casino

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Cafe Casino

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Bonus Offer: 350% up to $2500
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41 casinos found based on your search.
Slot Games Online

If I had to pick one type of casino game that has dominated the world of online gambling, I would have to go with video slots. Every renowned casino site has hundreds, if not thousands, of slot machines in its game library.

It’s easy to see why video slots attract a lot of attention from players — they are fun, easy to learn and play, and can potentially land you some massive rewards. However, video slots cost money, and just like any other casino game, they are designed so that the house always comes out on top.

If you don’t have a gambling budget, I advise you not to play video slots for real money, at least not until you figure out how they work and build a sizable bankroll. So, does that mean that you will be stripped of all the fun that video slots bring to the table? Not at all!

Video slots can actually be played for free as well. Free online slots are all over the web, and they’re just waiting for you to find them. But instead of tirelessly browsing the web for quality free slots websites, you can resort to this page, as we have all the information that you need.

Free Play Slots

By continuing to scroll down, you will learn all there is to know about free slots machines, like where to play them, how they work, what are their advantages and disadvantages, and more.

So, if you’re eager to start playing free online slots right away, just check out the list below. If, on the other hand, you want to learn more about these awesome games before clicking those spin buttons, keep reading, as I will let you in on all of their secrets.

What is Demo Mode?

So, what is demo mode? You may not know what demo mode means if you are new to online slot gaming. Essentially, it is a demonstration of the game. You play with free credits and learn how the game works, including features and potential prizes.

Once you load an online casino, you should find that many offer demo or practice mode on each game. Click on the tab that says demo or practice to play for free. Once you are ready to play for real money, make the switch by clicking the dollar sign or real money mode.

How to Access Demo Mode

  1. Log in to your favorite online casino that offers demo mode or practice play.
  2. Load a new game by clicking on the demo tab.
  3. Choose your bet per spin and use fake credits to play.
  4. While playing, note how the game works, if you like the theme, and what special features pop up.
  5. Take a few minutes to play the game at no cost to ensure you want to invest real money.

And that’s it. The process is simple, but it allows you to get to know a game better before risking funds. We feel that demo mode is essential to lowering your risk and determining if a game is worth playing or not without losing any cash.

Top US Slot Casinos

There are two types of websites where you can play free slots — real-money casinos that offer free demo slots and non-gambling websites that only feature free games. We made sure to list the best of both types.

All of the websites on this list are full of quality slot titles that you can play without making a deposit. If you want to learn more about each of these free slots casinos, click on the links in the list to read reviews written by our team of experts.

A Brief Introduction To Slots


Slots are no doubt a signature online casino game where players are truly spoiled for choice.

It’s all about setting the reels in motion and hoping to crack the jackpot or at least make the most of bonuses with prizes enough to brighten your bankroll by a few hundred dollars or much more.

Nevertheless, slots is a game for every type of player, so whether you are a novice or a high roller, spinning the reels in a classic 3-reel or 5-reel video slot with multiple pay-lines which will discuss below, can prove to be both entertaining and profitable.

While Charles Fey churned out the first slot machine way back in the 1800s it was guys like Bugsy Siegel that got the ball rolling or let’s say the reels spinning in the 1940s. Then again, we have to be grateful to online casino software developers like Microgaming and Net Entertainment to take slots to a whole new level in the virtual world.

Different Types of Free Slot Games

Video slots have evolved over the last decade or so. They are no longer these three-reel fruit machines that only have a single payline. Instead, today’s slots come in many shapes and forms and can be categorized in a lot of ways, whether that considers their theme, the number of reels and paylines they feature, the type of jackpot you can win, or more.

The types of slots which will discuss later include 3-reel classic slots and 5-reel slots, which may have multiple pay-lines.

Classic Slots

Online classic slots are the quintessential 3 reel slots that uses a RNG or random number generator to decide wins. They are also known as fruit machines and consist of 3 reels with a small number of pay-lines when compared with video slots, usually a single pay-line. The coin size varies from a cent to a dollar or more, which means they are designed to suit players with every type of budget. Game-play is simple. All you need is to choose a coin size and make a bet.

Hit the ‘Spin’ button and the reel will be set in motion. The objective is to land a combination of symbols on the pay-line. Each symbol comes with a different multiplier. Classic 3-reel slots are known to pay out more often as compared to video slots although the amounts are smaller.

Video Slots

Video slots are the most popular games at online casinos. They are also known as 5-reel slots and feature anywhere from 1 to over 100 pay-lines. Game-play is similar to classic slots although variety is where video slots win over classic slots.

Many developers continue to release blockbuster titles based on comic and movie characters, super heroes and more. Jurassic Park, Brides Maids, Immortal Romance, Terminator and The Dark Knight are just a few of the high octane slots with multiple pay-lines.

Fixed and Progressive Jackpot Free Slots

While this page only concerns free slots machines, it’s still worthy of mentioning how video slots are categorized when it comes to jackpot rewards.
Namely, there are two main types of jackpots you can find in video slots. Regular, fixed jackpots can be found in almost every game, and they pay out according to a predetermined multiplier, like 5,000x your stake, for example.

Progressive jackpots, on the other hand, work a little differently. Progressive slots are where the big money lies. They are essentially slots that are on a network in which a percentage of every wager made by players is added to the prize pool. In progressive games, the jackpot increases every time a wager is placed inside the game. Thousands of players could be playing the game at the same time, so the jackpot can rise very quickly.

Once a single player hits the jackpot, the jackpot count resets. Due to this mechanic, progressive jackpots can be worth millions of dollars. Some games even have multiple jackpots, usually named Mini, Midi, Major, and Grand.

Some of these jackpots are worth millions and are frequently hit. So if you are in search of the big pot, has just the right jackpots where you can spin the reels and get set to rake in the moolah. Speaking of moolah, have you checked out Mega Moolah, one of the biggest progressive slots yet.

Themed and Branded Free Slots

Another way to categorize free slot games is by their theme or topic. Every video slot has a theme these days, whether that includes ancient cultures, mythology, fairytale adventures, animals, movies, music, sport, or anything else.

The most commonly explored topics in today’s free video slots are the ones revolving around ancient Egypt and Cleopatra, followed by Norse mythology, cultures of the orient, and Indiana Jones-like adventures.

Video slot developers have stopped focusing only on the gameplay, and are now investing a lot of time into the storyline and characters, creating an immersive experience that a lot of players enjoy.

Some even go a step further to buy licenses from blockbuster movies and TV shows so they can use real characters and soundbits. Some of the prime examples of branded video slots include titles like Game of Thrones, CSI, Jurassic Park and Jimi Hendrix, to name a few.

With that said, here are a few categorizations of free slots that will help you understand the differences between the games.


The 3-reel video slots (also known as classic slots) are the simplest free slot games of all. Most people associate 3-reel slots with classic fruit machines found in early Vegas casinos, and while some of these titles are digital copies of those classic games, there are plenty of brand new 3-reel titles that you can find in free online casinos.

But even when new, 3-reel slots have a goal of being reminiscent of old games, obviously targeting the older generation of players, as they often feature classic symbols like fruits, gold bars, and the lucky number 7.


While 3-reel slots are making a comeback as many players enjoy their retro aesthetics, 5-reel free slots are still the most common video slots found today. Having more reels automatically means that there are more ways in which you can connect winning combinations.

Even though this doesn’t necessarily increase your chances of winning, it does make the game more versatile, and, therefore, more interesting.

There are also games that feature four, six, or seven reels, but these are rare.

Cluster Pays

One type of video slot that is becoming increasingly popular in the last several years is “cluster pays”. These free slots denounce the standard payline system and instead pay out when identical symbols are connected either vertically or horizontally in an equally-sided grid.

How to Start Playing Free Slots

It will take you less than a minute from where you are now to enjoying a quality free video slot. Here is a quick step-by-step guide on what you need to do to start playing

Choose A Casino

Choose A CasinoClick on one of the links from our list.

Once you are on the website, navigate your way to its library of free casino slot games.

Choose a Slot Game

Choose a Slot GameChoose one of the games from the library

Play Slots

Play SlotsAfter the game loads, adjust the coin size and total bet to your liking.

Before you hit the ‘Spin’ button you need to decide the bet amount. Most slots have a minimum and maximum bet amount between 0.1 to 100 coins or more. The more you bet the more the rewards.

The next step is to hit the ‘Spin’ button and let the reels spin. That’s all there is to it. All you need is to watch those reels come to a stop and let those Wilds settle down on the reels while the Scatters bring on the bonuses and other rewards. Rest assured, there’s plenty of sparkle, entertainment, and some crisp graphics and jazzy sound effects to keep you going.

Most slots allow you to raise or lower your bet amount and the number of pay-lines between spins. Our experts suggest that if you are new to slots, make use of this feature so that you get a good grip on the game and learn how the different combinations play out.

The objective remains the same, which is to line up symbols on the reels from the left to right, up or down or diagonal, and become a winner.

How do Free Slots Work?

Free video slots work in the same way as real-money slots, only you won’t be required to register or deposit money beforehand. Simply enter the website that features free games, choose a title that you want to try out, and start playing once the game loads.

Online Slots Machine layout

You will be given a certain amount of virtual credits that are usually enough for you to play a few hundred spins. If you run out of credits, simply refresh the page, and the credits will be reset to their original count.

Other than that, everything is the same. While the credits you receive are not correlated with real money, the game will still allow you to set the coin size, bet size, and the number of active paylines. You can also set auto spins if the game has that feature and unlock bonus features if there are any.

In other words, everything will be laid out as if you were playing the game for real.

The betting range will be different from one game to another, but most free slots allow you to wager as little as a single cent and as much as a few hundred dollars per pull.

Your coins will usually be multiplied by the number of active paylines to represent your total stake. Some slots only have ten paylines that are fixed, while others feature 30 or more ways to win with adjustable paylines.

Beyond the Reels: What to Look for When Picking the Best Free Slot Game

The best way to find the perfect free slot game is to play several and pick the one that appeals to you most. Still, it’s better to enter the testing process with a few ideas in mind so that you don’t waste a lot of time searching for exciting titles. Here’s what to focus on:

  • Choose a theme that’s interesting to you and look for a free slot featuring it. The theme can include animals, ancient civilizations, or anything else you find appealing.
  • Pay attention to the graphics and sound effects, as these aspects can make or break the gaming experience.
  • Find games that work on mobile devices so you can play them wherever you are.
  • Go for a title with features that make the gameplay dynamic.

Free Slots on Mobile — Pick the Right Title for Unlimited Fun on the Go

Image of Online Slots on Mobile Devices

If mobile gaming is something you like, free slots are a great option. They feature simple gameplay and don’t demand full attention. Consequently, you can easily play them on the move on a smartphone or tablet. Here are some tips for staying safe and creating the perfect environment for playing free slots on mobile:

  • Make sure that your phone or tablet uses the latest software and updates it regularly.
  • If you choose to download an app instead of playing the games in your browser, only go for software from trusted mobile casino operators.
  • Use personal mobile data whenever you can and steer clear of public Wi-Fi networks, as these can be unreliable in terms of safety, connection strength, and speed.
  • Go for games developed by operators that specialize in mobile games so that everything works well on the small screen.

Pros & Cons of Playing Free Slot Games

Pros & Cons of Playing Free Slot Gamess

Many people ask us what’s even the point of playing video slots for free. Aren’t these games supposed to be fun only when you play them with a chance to win actual money?

While those questions are completely legit and there’s no way to dispute the fact that video slots are ultimately more fun when played for real money, there are several reasons why you should consider playing them for free as well.

I decided to honor both sides of the argument, which is why I analysed a few advantages of playing free slots, followed by a list of disadvantages.


  • Playing Free Slots Takes the Edge Off

    There’s no better feeling than when you hit that big multi-million-dollar jackpot on a video slot machine. Do you know that feeling? Yeah, neither do I. If you were lucky enough to win big while playing video slots, you probably wouldn’t even be reading this article.

    The truth is that only a tiny portion of video slot players actually get rich while spinning the reels of a slot game. The rest… well, it’s safe to say that the majority of players end up in the losing column.

    While video slots are more fun when real money is involved, the real truth is that they are only fun if you’re winning, and you’re not going to win often. It’s just not how these games are designed.

    In other words, playing video slots for real money is going to result in a lot of stressful situations, especially if you don’t have a very viable bankroll to work with.

    But if you take out the losing part, video slots actually result in a very chill gaming experience. You can pour a glass of your favorite drink, set the number of automatic spins to a few hundred, and sit back and relax while enjoying the sight of all those colorful symbols aligning to create a winning combination.

    Even if you lose, you haven’t really lost a dime.

  • Free Online Slots Are Ideal for Beginner Gamblers

    If you never tried online slots before and don’t know how they work, you should definitely play them for free for a while.

    Playing free slots will let you in on the mechanics of the game, how it pays out, how to set your wagers, how bonus games work, how paylines look like, and more.

    Video slots, although simple once you figure them out, can be quite confusing and overwhelming for first-time players. If you start playing real-money video slots right away, it’s likely that you won’t understand how things work, and you won’t be able to properly enjoy the gameplay.

    Also, if you never played slots before, playing them for free will allow you to see whether you like these types of casino games in the first place before risking your money on them.

  • Free Demo Slots Are Great for Testing New Titles

    Imagine there’s a new game on the market and you’re excited to try it out, but you’re not sure if it’s going to be what you’re looking for from a video slot. Sure, you can deposit real money and test the game that way, but why not see what the game is about before you risk it?

    Because players tend to be a little hesitant when trying out new games that they’re not familiar with yet, many online casinos feature free demo slots where you can play the game for a limited time before putting some real money at stake.

Now that we’ve gone through all the things that make playing free slots great, it’s only fair if we reflected on a few aspects in which free slots machines can’t match their real-money counterparts.


  • Free Slots Can’t Win You Real Money

    This is the most obvious disadvantage of playing free video slots. Even though the layout of a free game will look the same as when you play it for real, there won’t be any real money at stake.

    The saying goes that “you have to spend money to make money,” and this is especially true when it comes to video slots or any other online casino game. You won’t need to worry about the risks of losing, but winning will not be possible either.

  • Winning a Jackpot on Free Demo Slots Is the Worst!

    Imagine that you get lucky enough to land the right combination of symbols and win a jackpot, only to remember that you’re actually playing the game for free. If you were to only deposit a small amount and got the same result, you will be rolling in cash. Instead, you now have to live with the “what could have been.”

    There’s a theory going on that casinos program their free demo slots to be more rewarding as a way to hook the players into thinking that the game will work the same way once they play it for real, but I found no evidence that this is true.If you’re playing a tested game on a fair casino site, playing for free truly reflects how things could turn out if there was real money at stake.

  • Free Casino Slot Games Get Boring Quickly

    Playing video slots for free will strip you of their most exciting part, which is having the ability to make a profit. Free slots are only fun for a while, but they get incredibly boring once you’ve figured out how they work and what you can expect from the game.

    The excitement of winning can still be there, even if winning considers made-up credits, but the only way to make the game interesting for hours would be if you actually decided to put real money at stake.

  • Free Slots Can’t Win You Real Money

    This is the most obvious disadvantage of playing free video slots. Even though the layout of a free game will look the same as when you play it for real, there won’t be any real money at stake.

    The saying goes that “you have to spend money to make money,” and this is especially true when it comes to video slots or any other online casino game. You won’t need to worry about the risks of losing, but winning will not be possible either.

  • Winning a Jackpot on Free Demo Slots Is the Worst!

    Imagine that you get lucky enough to land the right combination of symbols and win a jackpot, only to remember that you’re actually playing the game for free. If you were to only deposit a small amount and got the same result, you will be rolling in cash. Instead, you now have to live with the “what could have been”.

    There’s a theory going on that casinos program their free demo slots to be more rewarding as a way to hook the players into thinking that the game will work the same way once they play it for real, but I found no evidence that this is true.

    If you’re playing a tested game on a fair casino site, playing for free truly reflects how things could turn out if there was real money at stake.

  • Free Casino Slot Games Get Boring Quickly

    Playing video slots for free will strip you of their most exciting part, which is having the ability to make a profit. Free slots are only fun for a while, but they get incredibly boring once you’ve figured out how they work and what you can expect from the game.

    The excitement of winning can still be there, even if winning considers made-up credits, but the only way to make the game interesting for hours would be if you actually decided to put real money at stake.

Free Slots With Bonus Games

Free Slots With Bonus Games

Every modern video slot has one or more bonus games on top of its base game.

Bonus games are there to make the game more interesting, introducing new and exciting features and mechanics and hiding big rewards.

Most bonus games in free slots are unlocked once you land three or more Scatter symbols after a single spin.

Here are some of the most common types of bonus games found in today’s video slot games.

Free Spins

Free spins (sometimes called free games or free plays) are by far the most common bonus game in free slot games. After you trigger the free spins round, you will get a certain number of plays that won’t require a wager. The number of spins is often between three and 20, with ten free spins being the most common reward.

How many spins you get can also depend on how many scatter symbols you land during the base game. For example, if you land three, four, or five scatters after a base game spin, the game might reward you with eight, ten, or 12 free spins, respectively.

During the free spins round, the game will often introduce some other bonus features. It might happen that all free spin wins come with a certain multiplier or the round has sticky wilds.

In any case, free spins are almost always going to result in a profit since they don’t take anything from your balance. Even if you’re unlucky and only one or two free spins result in a win, they will still be worth it.

Other Bonus Games

While you will mostly find free spins while playing free slots, there are several other forms of bonus games that you might run into.

Some slots have multiplier bonus games where the goal is to get to the end of the multiplier trail before the game ends. Naturally, the further along the trail you go, the higher the multiplier will be.

The way this works is that you will spin the wheel that contains several fields that move you along the trail. However, the wheel will also have a couple of fields that force the game to stop and let you pick up whichever multiplier you ended up on.

Another form of a bonus round is the pick’em bonus that lets you click on various fields to reveal your reward. Sometimes those rewards can be instant cash prizes, other times they will come in the form of multipliers, while there’s also a possibility to win free spins this way.

There’s a great number of different bonus games in free slots. Some are really innovative and unique, offering arcade-style features that are interactive and allow you to play a video slot like you would a real video game.

One particular bonus game I like can be found in the Jumanji slot from NetEnt. This game’s bonus game lets you play a board game where you shoot dice and move around the board to unlock special features and rewards.

How Free Slot Games Cater to Newbies and Experienced Players Alike

Free slots are usually associated with novices who have yet to discover the world of online casino gaming. And indeed, newbies can benefit greatly from playing slot games for free. They can learn how these games work, try numerous titles with different themes and mechanics, and figure out their gaming preferences without risking a dime.

Nevertheless, veterans will also benefit from playing free online slots. Free gameplay allows them to test the latest slot releases and determine whether they are worth playing with real money. Demo mode can also help them fine-tune their betting strategies or try advanced betting systems. Finally, free slots offer relaxation to players of any skill level, as they guarantee lots of fun and require nothing in return.

Terms used for Free Slots

Terms used for Free Slots

Slots are the least complicated of all casino games although you may want to pay attention to what pay-lines are all about.

Winning combinations can appear not only in the middle row but in the top/bottom row, diagonally or zigzag as well.

Every slot may offer one or more winning combinations.

Here are a few terms which you may come across during your plays.

What Are Pay Lines

For the most part, pay-lines are the possible winning lines which are usually between 9 to 30 or more in a slot game. If there are 20 pay-lines that means with every spin you have 20 possibilities to win. They may run straight, diagonally or zigzag. You win, if the symbols land on any of these 20 pay-lines. The matching symbols don’t need to be in a specific place on the pay-line or next to each other.

You can decide the number of pay-lines to bet. So, if you bet on 3 pay-lines you will play for 3 coins with each spin or if you bet on 9 pay-lines you play for 9 coins on every spin. Obviously, the more pay-lines you choose the more you have to spend.

Wild Symbols

Slots feature a Wild symbol which substitutes for any of the other symbols expect for the Scatter symbol. This symbol can potentially make you a winner. For example, if you get two of the same symbols (let’s say Cherries) and one Wild, you can use the Wild as a Cherry to form a winning combination.

Scatter Symbols

Scatter symbols are the highest paying symbols in a slot game. The can generate different outcomes and earn you loads of prizes from coins to bonus rounds and free spins. You will need to land 3 or more Scatter symbols anywhere on the reels in order to win. The good thing is they don’t have to be in any specific location, order or pay-line. In addition to bonuses and free spins, Scatter symbols usually activate a Multiplier so that you can win between 2 times to 5 times your original stake.

Tips & Strategies for Playing Free Slot Games

Tips for Playing Online Real Money Baccarat

Before I go on talking about tips and strategies for playing free slots, I need to go over the purpose of playing these games.

Unlike playing video slots for real money, when you play free slot games, the goal will not necessarily be to win.

As a matter of fact, winning big while playing a slot for free will only make you regret that you didn’t try it for real.

Some players do enjoy winning virtual coins on a free slot, and that’s okay, but the main purpose of playing for free is to experiment and explore all of the game’s possibilities, as you will be a little more hesitant to do that once real money is at stake.

With that said, here are some of my personal tips on how to approach free slots machines.

Feel Free to Bet Big

One great thing about playing for free is that it lets you see how it feels when you bet the maximum amount. This would be good practice for when you’re trying to win a progressive jackpot since most progressive slots require you to bet max in order to be eligible for the reward.

Don’t worry about your virtual balance, as even if it runs out, you can simply refresh the game, and the balance will reset to its original amount. Many players attach themselves to their virtual balance like it’s real, but there’s really no reason to do so, as it’s all fake.

Play Until You Unlock the Bonus Games

Many players are impatient when playing free slots and easily give up before they get a chance to see how the game’s bonus features look like. Bonus games are the main part of every video slot as they hide big rewards and feature mechanics that make the game more interesting.

However, it can also happen that you get unlucky and can’t unlock the game’s bonus features even when you go through several hundred spins. But if you truly want to see what a given video slot has to offer, you should wait and play until the bonus game triggers.

To speed up the process, you should use the auto-spin feature that many games have, and that relieves you of having to click on the spin button every time. Also, if possible, turn on the turbo feature so the reels stop spinning more quickly.

Knowing that a lot of players want to see what the bonus games look like before playing the slot for real, many developers have equipped their free slot games with a “force bonus game” button that eliminates you having to wait to get lucky.

Read Through the Information Tab

There’s a way you can learn everything about a given game before you even play a single spin. All free slots have an information tab where you can see how the symbols payout, what the paylines look like, how the bonus games work, what the game’s RTP is, and more.

Read through this information tab carefully so you can know what to expect. There are also a lot of slot game review sites you can find on the web that go into more details, so make sure to read through those as well.

Even though you can inform yourself this way, we still advise you that you play through the game for a while to see how it feels.

Try Free Slots on Your Mobile

If you plan on playing video slots on your mobile device, you should test the game for free on your smartphone or tablet to see how well it is optimized for a smaller screen.

Some games only play well on the desktop, while others are exclusively designed for mobile devices. Nevertheless, you will find that most modern games have a responsive design and look great regardless of the device you are playing them on.

Be Careful When Switching to Real-Money Slots

Many players make a rookie mistake of immediately switching to real-money slots once they “win” big on free slot games. Regardless of whether you got lucky repeatedly while playing for free, that will not necessarily mean that the game you played is actually more rewarding and will bring you profit once you start putting real money at stake.

Always take those free wins with a grain of salt and never go head first into real-money games. There’s no way to reset your balance by refreshing the game as it is the case with free slots. Establish your bankroll, understand the risks and gamble responsibly.

Final Thoughts

I hope that my guide to free slot games has given you all the information that you were looking for. If you have an interest in playing slots for real money but you want to test the field first, trying out these games for free is the best move you can make.

I have shared a list of the best and most trusted websites where you can play free slots without the need to register or download any software. These sites feature some of the best slot titles from the most renowned software developers in iGaming, so make sure to check them out.

If you have any questions, go through the FAQ section below or hit me up with a message. Good luck!

Frequently Asked Questions

Online slots are one of the most popular games in today’s online casinos, mainly because they are easy to understand, fun to play, and can often be very rewarding. However, to new comers to online gambling, slots can also be confusing due to some common misconceptions.

If you’re such a person, take a look at the following common questions about online slots, so that you can better understand how they work, right from the start.

Is it legal to play free slots in the US? Yes, since playing for free is not considered gambling, you can play free slot games anywhere in the United States without worrying about breaking the law.
Are Online Slots Rigged? No. The winning combination in an online slot game is produced by a Random Number Generator (RNG), which makes sure that each time you place a bet, the outcome is entirely random. Licensed casinos can never afford to adjust or “rig” their RNG, which is one of the many reasons why you should always look for casinos that hold a license. If you play a properly tested game that was made by a reputable software developer, you can be sure that the game is not rigged in any way. Free slots represent what would potentially occur when you play the game for real money.
Are Online Slots Fair? Generally speaking, yes they are. But there are also some rare slots which can be surprisingly unfair. The fairness of a slot game is determined by the Return to Player percentage (RTP), which is basically the percentage of your wagers you can expect to be returned in the long run. The fairest slots have an RTP that is closest to 100%, or anywhere between 96-99%.
How Casinos Guarantee the Payback of a slot? Depending on the game, the casinos can adjust their slot paybacks prior to applying for a license and are required to clearly display their RTP’s before they officially receive a license. The licensing authority will then inspect their RNG and their games to see whether those returns are truly random and as fair as the casino claims. And apart from the regulatory body, some casinos also undergo a third party audit from an auditing agency like eCOGRA and TST, which conduct the same RNG inspection and award the license. So, if you’re unsure about the paybacks, check their game RTPs (usually listed in a “fair gaming” section) and then check for a watermark of the UKGC or third-party auditors.
What’s a Random Number Generator? The Random Number Generator is a piece of software that produces random numbers which generate the reel combinations. The way this is done is that the RNG will produce a starting number when you place your first bet, which is called the “seed number” and can have as many as 200,000 digits. The seed number is then used to produce a different number and that number a new one, and so on. Each generated number will be nothing like the previous number. This way each time you place a bet, you will get a combination that’s nothing like any reel combination you’ve had, and entirely random.
Can I cheat a slot RNG? The short and true answer is No. Even if you hear someone claim there’s no system that can’t be beaten, the casino will protect itself by a clause in your sign up agreement. This clause normally states that if the casino suspects you’re cheating, they reserve the rights to void all your winnings. So, there’s no real way to do it.
What are Progressive Slots? Progressive slots are slots that have a progressive jackpot, i.e. a jackpot pool that increases with each player wager. In the online world, these slot games are connected across each online casino, forming a progressive network pool that can often end in prizes worth £millions.
Which slots have the best odds? Normally, progressive slots have lower RTPs since they come with very lucrative prizes. Thus, the best odds are usually found at no-progressive slots (not all), and also those that have bigger bet sizes. However, playing slots with higher wagers can also end up costing you plenty.
Is there a secret to winning a slot jackpot? No, there isn’t. The Random Number Generator makes sure all your reel symbols are random, making luck your best friend. There are no “systems” for winning at slots that truly work, but only sound advice on how to keep yourself in the game longer for when those symbols land you a jackpot.
What is the biggest online jackpot for a slot machine? Microgaming’s Mega Moolah is the most famous progressive jackpot and a Guinness World Record holder for biggest online jackpot. In fact, the record-breaking €17,879,645 jackpot was won by a UK player on a 25p bet. The previous record holder was NetEnt’s Mega Fortune progressive jackpot. The Mega Moolah starts seeding at £1 million, while the Mega Fortune at £300K.
Can you win real money while playing free slots? No, you can only win real money if you deposit your own money and gamble.
Can I unlock bonus games while playing slots for free? Yes, it is possible to unlock bonus games, and all the slot’s bonus features even when you’re playing for free.
Can I play free slots on real-money casino sites? Most real-money casinos will allow you to play free demo versions of their slot games.

About the Author

Author Hi all! My name is Jayson Peter, and I am the Chief Editor here at Casino USA. I have always been a huge fan of casinos, but I noticed that there are not a lot of websites out there that discuss the gambling industry in enough detail, so that’s how the idea for was born. With my extensive knowledge of the industry and the help of my team, I am ready to give you an insight into the exciting world of casino gambling in the United States.