The physical slot machine arrived in 1887 in San Francisco, California, USA thanks to tinkerer Charles Fey, and was named the Liberty Bell. The biggest payout was $0.50 on a one nickel bet, so Mr. Fey would probably be astonished by the six and seven figure paydays often delivered by today's best and safest online slots. And that original 3 reel, 5 symbol design is still employed online more than 120 years after the land-based slot machine made its debut. But 3-D technology, 5 reel 25 line virtual machines, as well as a secure online slots experience from any smartphone or computer with an Internet connection has improved on that early technology to deliver 24/7 access and a fast, simple to learn virtual casino experience.

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Of course, you should keep in mind that only the best slot sites to win offer high payout games from which you can take advantage. The return to player percentage of a game is measured over thousands of game rounds, and it stands to reason that the higher the RTP, the better the deal for the player.With this in mind, I have decided to create a list of the 10 online slots with the highest RTP. Stay Tuned For More Top Slot Machine Games Online. Check back often to our page to find updated lists of the best online slot machines and enjoy the most entertaining gaming experience possible on the web. Make every bet count with the most trusted free to play or real money games you can find online. We bring you the top slot machine games.

While the Internet is not the 'wild, wild West' that it was in its infancy back in the 1990's, smart casino gamblers should still take care to ensure they are playing on safe online slot machines. When we talk of legitimacy, security and safety, what we are really asking is, 'Will I get paid if I win?' Coupled with the incredibly powerful processors in our laptops, smartphones and PCs, the high definition displays and cutting-edge video, audio and 3-D technology, today's online slot machine experience is rewarding and enjoyable just for the process itself. But smart gamblers are playing to win, and this means extensively reviewing any website or casino thoroughly before opening an account, to ensure you are playing the most trusted online slots you can find.

This means exhaustively investigating the licensing and certification of a particular casino, as well as its management group. How long has the site been in business? Are Internet casino gaming forums and chat rooms rife with complaints about this particular company? What is the welcome bonus and reward package like? Are there multiple, safe and secure deposit methods, and/or any fees attached to withdrawals? These questions and others have formed the basis for our extensive review process, and help us reveal those sites which offer legit online slots and other casino games.

One way online companies ensure that they offer industry leading and reputable online slot machines is by using top rated and reliable casino software from companies like RealTime Gaming (RTG), Microgaming and Playtech. Those three companies are home to some of the most popular, most potentially profitable and safe online slot games on the entire World Wide Web. Progressive jackpot paydays can reach hundreds of thousands of dollars, and when you see those names on a particular website, you instantly know you will enjoy a reliable and secure online casino experience. Third-party independent testing, valid licensing and compliance certification, as well as attainable bonus wagering requirements should also be in place before you open an account at any online slots casinos. Non-USA players can get more information on trusted software platforms by reading our reviews on reputable Microgaming casinos, as well as secure Playtech casinos. RTG slots opportunities are addressed a little further down on this page.

This is what makes the difference between an experienced gambler and a rookie. Does it take a while to properly review an online slots casino? Done correctly, it certainly does. But an in-depth review process is exactly what narrows the wide field of online casino offerings, allowing you to spot those few sites which provide the most safe online slot machines and casino games. Our team of veteran gamblers has spent years consulting in the online gambling industry, and we frequently play online slots ourselves. Take advantage of our free reviews which point out the best online slots casino offerings, or conduct your own extensive review. But either way, make sure a thorough review process is undertaken before you open a real money account at any online slots casino.

Slots.lv Casino is one of the most trusted RTG casino brands, and is our featured online slots casino for several reasons. Simply by being a part of the reputable RTG casinos network, they deliver a guaranteed level of security to your gaming sessions due to the build in security profile that comes with that software platform. They are also part of the Bovada/Bodog company, the biggest and most reputable name in online gambling.

Slots.lv has demonstrated their commitment to player safety through their own security protocols and technology, and when combined with the RTG platform, they are unstoppable. Their game selection includes more than 140 slots titles, including the most popular Reel Series slots and multiple progressive jackpot options. New players will be eligible for their welcome bonus of a 100% match up to $500 on their first 10 deposits. Slots.lv is known for fast payouts and a highly efficient customer support staff. We have verified their licensing and compliance certification to ensure they offer the highest level of fair game play and quality RNG technology. They really provide all the components required in a legitimate online slots experience.

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Safe Online Slot Games - Characteristics To Look For

Today's web surfers and online casino gamblers are much more Internet savvy and aware than even just a few years ago. They understand that not every virtual casino offers a genuine online slots experience. And veteran online gamblers ask a lot of questions, rather than simply assuming a casino with fat welcome bonuses is going to be safe and secure. After all, this is your hard-earned money we are talking about. That is why we dig much deeper than the typical online gambling reviewer or consultant. We count ourselves as intelligent and veteran online gamblers, so we take a different approach to reviewing Internet casinos.

Are online slots legal, safe and fair, and is withdrawing my money quick and painless? This is the principle question which supports our entire review process, and if you enjoy playing online slots for money, it should be yours as well. Once you ask that question, you begin to see that you need to break down exactly how spinning reels and funny symbols appear on your display, whether it be your smartphone, tablet or PC. Companies offering safe online slot machines do so by employing the best Internet casino software, obtaining valid licensing and certification, and undergoing consistent and rigorous testing from a respected and independent third party.

Asking the question are online slots safe should first lead you to a software examination. Take one of the industry's most respected casino software manufacturers and providers, RealTime Gaming (RTG). RTG delivers 6 of the industry's most popular legitimate online slots machines which offer a potentially life-changing progressive jackpot payday. We are talking hundreds of thousands and in some cases a more than $1 million payout on a single spin. The company also offers more than 100 slot games in all, and you do not deliver those kind of numbers by providing a less than perfect experience.

RTG demands fair play and random results, and is frequently tested by TST (Technical Systems Testing), a very strict international gaming software tester and consultant. RTG sites also guarantee a safe online slots experience by frequently testing their Random Number Generator (RNG), which ensures that you cannot predict an upcoming result. Data encryption runs at least 128 bit SSL encoding, often times 256 bit, which would require all of the world's computing power to even begin an attempt at hacking and breaking the security code. A typical online slots player has none of this knowledge, but the veteran slots player who consistently wins only plays at sites which deliver a trusted online slots experience thanks to software like RTG, PlayTech and Microgaming. RTG is the most commonly found brands among the safest and most legitimate USA online casinos.

Are online slot machines legal? - Not all of them. Neither are all off-line slot machines. But there are steps you can take if you are going to enjoy the Internet casino experience to ensure that you are playing at a legitimate online casino which operates with the highest levels of integrity and honesty, and has gone through the licensing and certification process to offer legal online slots action. Finding safe online slot machine games takes time, but so does buying the perfect house, the perfect car or the perfect gift. The payoff is always much greater when you do your homework, and we are happy to provide the required research for you. As veteran online gamblers ourselves, the information we deliver on this website is the culmination of years of extensively reviewing and consulting in the online gambling arena, and we can safely guarantee the websites on this page offer a world class online slots experience. Above you will find access to detailed reviews on gambling sites that we have approved as legitimate, secure, and honest.

Online Slot Bonuses And How They Work - Every online casino found on our website offers something in the way of a welcome bonus to new players. Slot players enjoy much higher bonus offers compared to blackjack and other table games. In fact many of the bonuses available to slot players almost seem too good to be true. But I can assure you they are in fact valid promotions and since we only recommend the most trusted and safe online slot sites, you can rest assured that you will get paid when you win.

Using the generous 400% welcome bonus up to $4000 from our featured casino 'Lucky Red', this means that you can claim an instant 400% bonus on your first deposit up to $4000. The bonus will be instant, so if you deposited $1000, you will have a $5000 bankroll to play with. Just be sure that you read and understand all the terms of such an offer as every one has different stipulations such as rollover requirements, max cashout rules ect..

This portion of our guide is all about finding the most secure gaming environments to enjoy your favorite casino games. Check out our sections of the guide that cover safe online blackjack sites and reputable online roulette casinos.

The best slot sites are the ones that combine entertainment with the possibility of hitting a big jackpot. It might seem like you could just sign up for an account at the first search listing in Bing or Google and be off to the races, but that’s a big mistake.

Your best bet is to find a guide to the top slot sites that you can trust. This will help you avoid scams. We recommend the following websites:

We have a more ambitious goal for this guide of the best slot machine sites
than to just offer you a list of recommendations, though. In fact, you should
expect more than that from any guide.

You’ll find the justifications and criteria for our rankings on the rest of
this page. We didn’t just put together a random list of the “top” slot machine
websites. We considered several factors, and you should understand all these
when deciding where to play.

What Makes a Slot Site the Best

When we say that we’re going to provide information about what makes a slot
site the best, we’re talking about the factors that we consider when ranking
slots sites. It’s about more than having the best games with the best graphics
(although, that’s a factor).

We want to account for other factors which are just as important to a slot
machine gambler but aren’t as readily apparent. Below, we’ve listed the factors
that make a slot site the best.

High Payouts

Probably the most important consideration for evaluating a casino for this
list of best slot sites online is payback percentage (or return to player). Some
players worry about this too much, but others don’t even consider it. We’ve
tried to list the online casinos with the best slots in order of payback
percentage.

What does that mean?

It’s just the statistical average payout divided by the amount of money
you’ve wagered on the machine. A slots game with a payback percentage of 96%
will win 4% of your aggregate wagers in the long run, while a slots game with a
payback percentage of 95% will win 6% of your aggregate wagers in the long run.

When you’re looking at an average of 600 spins per hour, you’re talking about
putting at least $150 into action per hour, so the difference between 4% and 6%
adds up.

Keep in mind, too, that the payback percentages advertised for various online
slot sites are estimates based on all their games over time.
Some slots games at these online casinos might have a payback percentage of 95%, while others might
have a payback percentage of 75%.

If you’re intrigued by this concept, it’s easy to enough to track your wagers
and how much money you’ve lost. With enough spins in your database, you can
start to estimate the payback percentages for the games yourself. Just keep in
mind that in the short run, your actual payback will be at the whim of
short-term variance.

Of course, we don’t have access to the algorithms behind the games. We
base our rankings of payback percentages on anecdotal evidence and our own play
at these sites.

The best payout percentage we’ve seen for a slot machine game is the
Cosmic Quest slot game at Café Casino. If that’s your most important criterion,
you should sign up there and play Cosmic Quest for yourself.

Variety of Games

The casino sites with the best slots also usually have the best variety of games to choose from.
If all the games are similar in presentation, you’ll get bored fast. This means
different games with different themes and payback structures make for the best
player experience.

Sometimes, you might be in the mood for a game with three reels and a single
payline and traditional symbols like cherries, bars, and plums. Other times you
might prefer a five-reel game with 25 paylines and multiple bonus features. You
might even be looking for a game with a progressive jackpot.

Each of these types of games has its pros and cons. A three-reel, single
payline game usually has a higher payback percentage than the other types of
games available, but the top jackpot is usually limited to about 1000 coins. The
games with more reels and more paylines are more exciting and have bigger
prizes, but over enough time, you tend to lose more money.

The games with the lowest payback percentage are the progressive slots, but
players who love those games don’t care about the statistical payback
percentage. They want a shot at a jackpot that could change the quality of their
lives.

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We’ve chosen this list of slot sites because they offer each of these experiences.

If you’re looking for the site with the most slots games, try Bovada
Casino. They offer over 500 different slot machine games from multiple software
providers. You can also play poker with other real players and bet on sports
there if you need a break from the one-armed bandits.

Mobile Compatibility

At one time, everyone interested in the sites with the best slots focused
entirely on playing these games from their desktop computer. Eventually, laptop
computers got strong enough to use, too. Mobile compatibility wasn’t an issue
until recently.

But now that it’s an issue, it’s essential for most slots players. After all,
how many people do you know that strictly use a flip phone and only access the
internet from their laptop or desktop computer?

The level of graphics and sound effects provided by these games as part of a
mobile user experience are a major criterion we used to develop this list of
recommendations. We understand that most of our players are interested in
playing mobile slots.

Ignition Casino offers the best mobile compatible slots. We recommend
trying Ignition if you’re planning to play from your mobile device most of the
time.

Bonus Offers

It’s impossible to create a list of the best online slot sites without
considering who has the best bonus offers. If you’re not familiar with how an
online slots casino bonus offer works, it’s simple:

To incentivize signups, online casinos offer free money when you make your
first account. They add this money to your account as a percentage of your first
deposit. You then must make a minimum number of wagers before cashing out your
winnings.

The biggest signup bonus you’ll find is at Sloto Cash. They offer a
200% signup bonus of up to $7777 on your first five deposits. To take full
advantage of this bonus, you only need to deposit $3889 over five deposits. When
you do, you’ll get the $7777 bonus added to your account, which means you’ll
have a total bankroll to play with of $11,667.

You can chase jackpots for a long time with a bankroll like that.
And if that’s not enough, Sloto Cash also offers new players 300 free spins.
Café Casino offers a great bonus offer, too. Deposit $1000, and
you’ll get a 500% bonus of $5000 added to your account. This means you’ll have a
total bankroll of $6000 to play with.

Of course, you can’t cash that money out unless and until you meet the
wagering requirements. One of the requirements for being listed here is that the
casino in question has reasonable wagering requirements.

With the bonus offer at Sloto Cash, you’re required to wager 60x your deposit
plus bonus. With the bonus offer at Café Casino, you’re required to wager 35x
your deposit plus bonus.

If you have the bankroll to afford it, we recommend taking advantage of both
offers. Get as much free money to play with as you can.

Tournament Availability

It’s hard to list a company on a list of top online slots sites if it doesn’t
offer slots tournaments. And if you’re not familiar with how online slots
tournaments work, you’re missing out.

The site has a starting time for the tournament. You usually pay an entry
fee, although some slots tournaments are free.
Everyone who pays the entry fee gets the same number of credits to play with.
You use those credits to spin the reels. Your goal is to have the largest number
of credits at the end of the tourney.
It’s important to remember that these credits are only useful in the context
of the tournament. They’re like Monopoly money. They’re just used to keep score.

The best way to win one of these tournaments is to make as many spins as
possible so that you can book as many wins as possible. Of course, there’s no
more skill involved in a slot machine tournament than there is in playing online
slots for regular money.

Online slots tournaments are generally special events or promotions offered
periodically by the top casino sites. Sometimes they even offer free entries into
freeroll slots tournaments where you can win real money. Your entry is comped
based on the amount of play you’ve brought the site over time.

The top slot sites for online tournaments are listed above including
Sloto Cash and Slots.lv. Of those Sloto Cash offers more tournaments more often
and with lower entry fees.

Best Slot Machines To Play

Software

The top online slots sites use multiple reliable software providers. A
decade ago, most of these kinds of sites only offered games from a single
software provider, but now, most offer multiple games through multiple
platforms. This provides players with a bigger variety of games to choose from.

Our favorite site based on software is Bovada, although Slots.lv is a close
second. Both sites offer slot machine games through RTG, Rival, and Spinomenal
software packages. RTG provides both sites with slot machine games like The
Three Stooges and Cleopatra’s Gold.

We’ve already talked about what big fans we are of Cosmic Quest
slots, which is one of the top-tier games offered by Rival licensees. Midway
Madness is another fun game from Rival that’s available at these casinos.

Our favorite games from Spinomenal include Demi Gods II and
Lemur Does Vegas, both of which offer unique experiences unavailable in
traditional land-based casinos.

But any of the sites on our top online slots casinos list offer multiple
games from multiple high-quality software providers. You won’t find a loser in
the bunch.

Country Considerations

The best slot sites online offer service to the widest range of countries. It’s hard
for us to list a slots site here if they don’t accept real money players from
the United States, for example.

We won’t get into details of the legal situations in various countries. In
fact, these recommended sites aren’t available to all players in all countries
(or even jurisdictions within countries).

You should always check your local laws before playing on these online slot sites for
real money. We’re convinced that in most jurisdictions, your legal risk is
negligible, but that doesn’t mean its nonexistent. We disclaim any liability
based on decisions you’ve made. We assume you’re an adult of decision-making age
who has done their due diligence before deciding where to play.

Suffice it to say that most of the top slot sites listed here operate from
the assumption that the gambling is taking place in THEIR jurisdiction not
yours. Since they’re licensed and regulated there, no laws are being broken.

Other properties operate from different assumptions, but if they have a large
number of countries that they disallow play from, we disqualify them from our
list.

All of the properties on our list of best slot sites accept players from most
countries – even the United States, which is the country that seems to get singled
out for discrimination among online casinos more than anyone else.

Customer Service Considerations

Anyone doing research into which top slot sites deserve to be ranked “the
best” would be negligent if they didn’t spend time researching customer service
complaints on the various player forums on the internet. Not only should
customer service operate during reasonable hours (preferably 24/7), but they
should also offer multiple avenues for contacting them.

Some of our visitors prefer to talk on the phone, while others prefer to send
an email and get a response via email in a timely manner. Some of our visitors
probably prefer live chat support.

We’ve tried to be sensitive to these preferences when putting together this
list. The online casinos with the best slots on this list have minimal
legitimate complaints made against them in the most popular player forums on the
internet.

Licensing and Regulation

One of the first things we look for when evaluating for the best slot site is
where they’re licensed and regulated. Most online casinos are licensed and
regulated somewhere, but some jurisdictions provide more oversight than others.

Obviously, the jurisdictions which provide more oversight provide a safer
experience than the jurisdictions providing less oversight.

And naturally, we eliminate any site from consideration from our list if it
doesn’t prominently display information about where it’s licensed and regulated.

Here’s a list of jurisdictions which commonly license and regulate slots
sites online, we’ve ranked them from best to worst, in terms of oversight and saftey

1. Kahnawake
2. Antigua and Barbuda
3. Curacao N.V.
4. First Cagayan Philippines
5. Costa Rica

Most of the sites that made our list are licensed in Kahnawake, but at least
one is licensed in Curacao. Some even more restrictive jurisdictions often
restrict real money players from the United States, so we’ve leaned toward
listing the sites with licenses from jurisdictions that allow play from most (or
all) foreign countries.

Online Casinos With the Best Slots

Above are the five online casinos with the best slots.

We’ve included some observations about what each of these sites bring to the
table and what qualifies them for this list below.

Ignition Casino

Ignition Casino caters only to slots players from the United States and
Australia, but their selection of games is unrivaled. They offer slot machine
games powered by their proprietary software, as well as offering games from
Rival, RTG, Revolver Gaming, and Spinomenal software.

If you’re one of those slot machine players who also enjoy poker, you can
play real poker with other players there. Their customer service is second to
none, and they have a wide variety of deposit and payout options. The gambling
age at Ignition Casino is 18+, making it friendlier for younger gamblers than
some of the other top online slot sites.

Bovada Casino

Most people associate the Bovada brand with sports betting, but they offer
one of the most robust casino platforms on the web. Bovada serves a broader
worldwide audience than Ignition Casino, having customer support and websites in
the following languages:

• Chinese
• English
• Portuguese
• Spanish

They also use proprietary software for some of their slots games, as well as
offering the most popular slots games from RTG, Rival, and Spinomenal. Bovada is
also completely mobile-friendly.

Café Casino

Café Casino is known for being friendly and welcoming to players from the
United States. They offer one of the best signup bonuses for slot machine
players, and they also feature games from a variety of software providers,
including Betsoft, RTG, Revolver, and Rival.

Café Casino, like Ignition, operates primarily in the United States. If
you’re a player using Bitcoin to gamble with, this is one of your best options.

Sloto Cash

Sloto Cash Casino offers a wide variety of mobile-friendly slots games using
both RTG and BiG software. Slot sites like Sloto cash are avaliable in English and serve mostly a
United States-based market, although Sloto Cash does not accept real money
players from states with restrictive gambling laws like Kentucky, Louisiana,
Maryland, Missouri, New Jersey, New York, and Washington.

If you’re looking for the biggest signup bonus, you won’t find a better offer
than the $7777 in free money at Sloto Cash.

Slots.lv

Slots.lv specializes in slots and related games like bingo games and lottery
games, especially scratch and win games. Most of the games are powered by RTG
and Rival, but Slots.lv also has some of its own proprietary slot machine games
on offer.

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Slots.lv is mobile-friendly and caters to a United States audience. Slots.lv
also accepts players from China.

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Conclusion

That’s our detailed look at the best slot sites online. Whether your goal is
to while away some time or win a big jackpot, the top slot sites on this list
should fill your needs with minimum customer service hassle and a maximum of
payouts.

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Don’t sign up for just any casino site. Insist on only playing at the top
slot sites online, like the ones listed at the top of the page. You work hard for your
money, and you shouldn’t gamble with it at shady operations or casino sites with
a minimal variety of games.