Online slots are the most popular form of online gambling in the world. So then, it makes sense that finding the best online slots to play can be challenging.
Lucky for you, we've already gone and done the hard work so you don't have to.
Using our first-hand experience with online casinos and real money slot games, we've developed a strict criteria that we can evaluate online slot casinos against.
Red Dog and its high-RTP slot game Cash Bandits 3 took the crown this time, but there’s 19 more sites to check out.
Sounds good? Let’s go.
Best Online Slots
Red Dog (Cash Bandits 3): Best overall
Cafe Casino (777 Deluxe): Best bonuses
Ignition (Galaxy Stars): Best variety of online slots
Bovada (Mythic Wolf): Best for mobile slots
Bitstarz (Elvis Frog in Vegas): Top pick for BTC slots
Slots.lv (Instant Inferno) :Best welcome bonus
Super Slots (Book of Helios): Top free spins promos
Wild Casino (Party Paradise): Highest RTP slots
7Bit (Max Miner): Best crypto slots promos
Las Atlantis (Achilles): Top new slots site
1. Red Dog (Cash Bandits 3) - Best Online Slots Overall
No fee banking
240% slots bonus + 40 FS
Regular new game promos
Excellent mobile app
Free slots to try out in demo mode
Red Dog takes our official crown as the best overall slots casino with its high-quality mobile app, free spins bonuses, and no-fee banking experience.
Game Library 4.7/5
Red Dog Casino features a total of 119 slots to choose from, with a fantastic mix of classics like Achilles, Asgard, and Cash Bandits alongside some of the latest titles from RTG (Real Time Gaming) such as Meerkat Misfits and Penguin Palooza.
If you want to try out other stuff outside of slot games, you can find some specialty action with Keno, Banana Jones, and Fish Catch.
There's also a live casino section that is only visible when registered that has over 10 different games to choose from.
Bonuses & Promotions 5/5
New users are entitled to a 240% match deposit bonus plus 40 free spins with wagering requirements of 35x. This is just around the industry average, so if you were looking to cash some money out here, you shouldn't have too much of an issue.
Elsewhere, regular users can get a reload bonus of up to 160% each time, which can also be boosted with an extra 25% if you deposit using Neosurf or BTC.
Another thing we liked was that Red Dog often offers no deposit free spins promos. For example, if you click here, you can get 30 FS on Cash Bandits 3.
Design & Functionality 4.8/5
There's a lot to like about Red Dog's design.
It's bright, colorful, and welcoming. It promotes a fun environment that certainly lines up well with our experience there.
If we had a complaint, it would be that the red dog looks less like Clifford and more like a fox. We also understand that's not a legitimate complaint. So take that how you wish.
As well as being a fun-looking environment, Red Dog ticks all the right boxes for how it functions and works.
It's very accessible, and we had no issues loading and playing lots of different games. The same can be said of its mobile app which offers a fantastic portable casino experience.
Banking Tools 4.8/5
The banking tools at Red Dog are a little top heavy, with more to choose from on the deposit side and very little for withdrawal. There is one key advantage they have however, and that is being able to offer back-to-card withdrawals, which isn't common within the industry.
Related Post: Best Online Slots
2. Cafe Casino (777 Deluxe) - Best Bonuses of any Slot Site
Cafe community forum
$2,500 welcome bonus
Cafe Casino Perks
Not the best choice for live games
At number two is Cafe Casino, boasting an excellent loyalty program and hourly jackpots to be paid out every day.
Game Library 4.3/5
Cafe Casino is a community-orientated online gambling site with over 120 slot games available to play. It features software from seven different game providers, including Real Time Gaming, Rival, and Spinomenal.
If you're a jackpot hunter, you'll love what's on offer here with 'Must Win Hot Drop Jackpots' available to win every hour every day. Each hourly payout averages at around $1,000 with an average pot of $25,000 a day.
Bonuses & Promotions 5/5
After registering, you can grab yourself a match deposit of up to $1,500. If you deposit using a cryptocurrency, that gets boosted all the way up to $2,500.
If you decide to stay at Cafe Casino long-term, then you'll be enrolled in their in-house loyalty program Cafe Casino perks.
Think of it like a regular stamped loyalty card you get at your real-life local cafe, except instead of free coffees, you're awarded free spins and bonuses instead.
Design & Functionality 4/5
From a purely aesthetics standpoint, there's not much to say about Cafe Casino. That's because not much effort has been put in at all. A simple purple logo against a white background, no real consistent theme. It's unimaginative, to say the least.
But it works well, and despite a few nagging issues with the menu bar on the right hand side, we didn't experience any major problems that would stop us from playing here on a regular basis.
Banking Tools 4.5/5
Selected VISA Gift Cards
Check by Courier
Be careful of using payment methods that aren't crypto at Cafe Casino, as it could cost you to withdraw using certain options.
Check By Courier, for example, carries a hefty $75 on top of each requested withdrawal.
In general, we recommend using cryptocurrency here to minimize your fees and to take advantage of better bonuses.
3. Ignition (Galaxy Stars) - Best Variety of Online Slot Games
Dual welcome bonus up to $3,000
Excellent poker platform
Virtual sports section
Fee for credit cards
If you're a fan of good ol' fashioned real money slots and a hand or two of poker, Ignition might be the online casino you're looking for.
Game Library 4.5/5
Ignition features a little over 55 slots, which is the smallest amount on this list. So, what makes it a good slots casino then, we hear you ask?
Well, firstly, the quality of those 55 slot titles is not in question. They have exciting new games like Gumball 3000 and classic staples like Reels & Wheels XL.
But it's true their greatest strength lies elsewhere. Ignition prides itself on being a dual platform for both casino and poker, and they do both well. It's the poker side of things they're really dedicated to, serving up a top-tier experience to players of all experience levels.
Bonuses & Promotions 4.4/5
New users can claim a dual bonus of up to $2,000 - $1,000 for the casino, and the other $1,000 for the poker room.
If you deposit using crypto, the same bonus is boosted up to $3,000. No matter which bonus you choose, each carries a wagering requirement of 25x, which is way below the industry standard for a bonus of this size. You shouldn't run into too much resistance cashing out this particular bonus.
At the moment this lucrative welcome bonus also comes with the opportunity to try out the brand new slots game Gumball 3000, loading your account up with 25 free spins valued at 40 cents each.
Design & Functionality 4.8/5
Ignition's logo is one of the best in the business if we do say so ourselves. There's something satisfyingly cool about a die being set alight. It makes us wonder how cool other pieces of gambling paraphernalia would look in a blaze of glory.
Roulette tables? Slot machines? Let's set fire to everything (strictly for design purposes).
There were some historical complaints about Ignition's poker software but that was a long time ago, and there have been many software updates since then. It's likely not relevant, but we thought we'd mention it here anyway for full transparency.
Banking Tools 4.4/5
Check by Courier
There are a lot of popular payment methods available at Ignition for both crypto and fiat currency users. We think you're better off using an eligible cryptocurrency at Ignition if you can, especially if you want to unlock more bonus options and potentially more lucrative payouts.
4. Bovada (Mythic Wolf) - Best Real Money Online Slots Site for Mobile
120+ real money slot games
10 years online
Bovada's three-pronged approach of classic casino, sportsbook, and poker platform is sure to be enough to satiate any gamblers appetite
Game Library 4.1/5
Bovada has been serving online bettors as a reputable casino for over 10 years now, growing its reputation as one of the best places where we can play real money online slots and other popular Vegas-style games.
If you want a break from online slot games, then Bovada has a lot of other premier betting content to offer too - not least of which is their sportsbook, which has established itself as one of the top destinations for sports betting online.
Finishing off their all-around gambling mecca is the poker platform, offering up a great space for both newcomers and veterans to get down at the tables and play some low or high-stakes hands.
Bonuses & Promotions 4.2/5
After signing up to Bovada, there is a $3,000 bonus up for grabs to be split over three initial deposits. The wagering requirements are set at 25x, thus offering a more generous shot at cashing out some money for those who wish to pursue it.
If you choose to deposit by Bitcoin, you can boost this bonus up to $3,750. The same principle applies to the sports welcome bonus of $250 (which can be boosted up to $750).
Poker fans can also claim a 100% bonus up to $1,000 to hit the felt with, which unlocks $5 increments for every 150 Rewards Points earned while playing.
Design & Functionality 4.4/5
Bovada's design is simple and unassuming, but not in a bad way. It's minimal but it doesn't need to be anything else. It provides an extremely user-friendly platform for online slots on both desktop and mobile.
Banking Tools 4.4/5
Check by Courier
Bovada hosts a strong selection of banking tools for both crypto and fiat currency. The highlights include MatchPay and Zelle, two lesser-known options in the world of online gambling, but popular finance apps nonetheless.
5. Bitstarz (Elvis Frog in Vegas) - Best Online Slots for Crypto Users
Exclusive provably fair slot titles
Welcome bonus up to 5 BTC in total
850+ slots titles
Award-winning slots site
Exclusively for crypto users
Boasting over 850 slots titles, plus exclusive games you won't find anywhere else, Bitstarz makes the cut at number 5.
Game Library 4.4/5
It's difficult to argue with a library that has over 850 different slots titles in it. Not to mention some of them are exclusive to Bitstarz, which means you won't find them anywhere else online.
Bitstarz is an award-winning casino, and it's not difficult to see why. Since 2014, it's been serving the cryptocurrency community a whole host of gambling fun, with a total of 3,000 games available on the entire site.
Bonuses & Promotions 4.3/5
New users are entitled to a doubled deposit of up to 1 BTC, as well as 180 free spins. The total welcome package could score you up to 5 BTC in bonuses. Phew.
Bitstarz are also known for having crazy promotions where they give away Teslas. Yeah, you read that right. For the simple act of just playing some of your favorite slots online, you'll be entered into a raffle to take home a Tesla too. We can't think of many other casino sites offering such a lavish prize.
Design & Functionality 4.7/5
Bitstarz is one of the best-designed casinos you'll find online. That's both in terms of usability and looks. There's no real theme to the casino, but it doesn't need one. It stands out on its own simple merits and doesn't require any gimmicks
Unfortunately, one nagging downside is that it doesn't have its own native app for iOS or Android.
The mobile-optimized version works perfectly well, but we can't help but feel like we're missing out on an opportunity for an even greater mobile app. Hopefully it's something they look to in the future.
Banking Tools 4/5
Bitstarz is a crypto-only casino, which might not account for every player out there. Still, BTC remains the most popular form of digital currency. So, if you are just wanting to dip your toes in the world of crypto gambling and Bitcoin slots, it’s the best choice.
The Benchmarks: How we Evaluate the Best Online Slot Games & Sites
For obvious reasons, we'll be looking at the slots selection first and foremost in this section. However we may also take into account what else is available for bonus points on the score. After all, you can't always play online slots, can you? Or maybe you can.
Bonuses & Promotions:
You can't play real money online slots these days without being offered bonuses at almost every opportunity. If it's not a match deposit, it's a reload bonus. If it's not a reload bonus, it's 'free' spins.
Notice the quotation marks around free? That's not a mistake. What's often advertised as a 'bonus' is concealing terms and conditions that make it a far less attractive prospect. We'll go through the fine print so you don't have to and only single out the best casino bonuses.
Design & Functionality:
There are two aspects of design that we are evaluating here. The first is the overall 'feel' of the website. This includes how easy it is to use, how accessible it is, and whether the software is up to scratch.
The second is more about looks. Although it's arguably not as important as how well the casino works, it can be a real drag playing somewhere that looks terrible. A fresh lick of paint can go a long way.
It's highly likely that you have a preferred payment method when using your money online. It's important to be able to use brands you can trust with your money. It's even more important when using online casinos.
We'll always mark up a casino that has a lot of different banking tools available. That's because it's more about inclusivity than anything else. The more ways you can fund your account, the better.
Guide to the Best Online Slot Games
Can I win real money playing online slot machines?
Are online slot machines a scam?
No, online slot machines are not a scam. But that doesn't mean there aren't websites or online slots out there that may be a scam. To stay as safe as possible, keep to the websites you see in this article.
What's the best slot game available?
The best slot game right now is Cash Bandits at Red Dog. Some players, however, may prefer classic titles like Mythic Wolf. Others might place more value on the RTP (return to player percentage) and exciting features, like those of Elvis Frog in Vegas.
How much do online slots payout?
The amount online slots pay out varies depending on the slot machine you are playing and the bet that you wager. You will frequently see jackpots into the hundreds of thousands of dollars, so large wins are possible, but it’s important to remember that it all comes down to luck.
What's the best strategy to win online slots?
The best strategy to win at online slots has little to do with the actual game itself. Slots are random, and winning is a matter of luck and not skill. Despite that, there are ways you can strategize to put yourself in a good position to win.
For example, targeting slots with higher RTPs, only playing jackpot games with lower jackpots and therefore more attainable odds of winning.
How do I know that an online slots site is trustworthy?
You can tell an online casino is trustworthy if it has our stamp of approval. Generally speaking, we look at various aspects to ensure an establishment is safe. This includes licenses, reputation, longevity, customer reviews and so on.
Are online slots rigged?
No, online slots are not rigged. As with all casino games, there is a house edge to consider. But this does not mean they are rigged. It just means a house win is more likely over a greater period of time.
What are progressive jackpot slots?
Progressive jackpot slots are games that slowly add to their jackpot total until one lucky person triggers the win and takes home every cent.
What are bonus features?
Bonus features are special parts of a slot game that are usually triggered by three matching scatter symbols. Within the bonus games, you are given more opportunity and ways to win, and often leave with a high payout.
How do online slots work?
Online slots work as a randomly generated algorithm of computer-generated reels which add up to different wins and payouts depending on what comes up on the screen. The user stakes a certain amount of money, and that stake is then multiplied based on what reels and lines match up with each other.
Let’s Compare the Top 5 Slots Sites
Here's a quick comparison of our top slots casinos and their standout features
Red Dog: Red Dog's elite mobile app and free spin offers make it our number one choice for real money slots fans. Overall score: 99%
Cafe Casino: Become a part of Cafe Casino's fantastic community and enjoy the benefits of its loyalty program and other amazing bonuses. Overall score: 98%
Ignition: Enjoy a high-quality poker platform along with a $3,000 dual bonus to use while playing slots at Ignition. Overall score: 94%
Bovada: Bovada's sportsbook, casino, and poker platform is more than anything for any player looking for a fun time. Overall score: 93%
Bitstarz: At the forefront of the crypto revolution, boasting exclusive games and lavish sports car giveaways, Bitstarz is an online casino you won't want to miss out on. Overall score: 90%
How to Sign Up to a Slots Site
Step 1 - Register at Red Dog
Log on to Red Dog using this link and hit the red Get Bonus button
Fill out the required details, including your email address
Wait for the validation link to arrive
Step 2 - Complete Account Validation
Check your email inbox for the validation link
If it's not present in your inbox, check your spam box
Click the link to complete your account validation
Step 3 - Deposit and Play Slots Online!
Deposit using your chosen payment method
Use a bonus if applicable
Ready Start Playing the Best Slots Online?
Our research has confidently named Red Dog the top online casino for playing slots. But whether you feel the same way is a different matter entirely.
That's why we've named up to 19 alternatives for you to try out as well - each of them with their own real money slots and reasons to give them a go.
Before you go, though, we would like to remind you that playing online slots should be fun first and foremost and to always gamble responsibly.
DISCLAIMER: 18+ only. Online gambling comes with many risks. Players are advised to gamble responsibly and only use funds they can afford to lose. Remember, gambling is only intended for entertainment purposes and is not a solution to any financial difficulties.
Gambling laws and policies vary from one region to another. Some sites mentioned in this review may not be accessible in your area. Always do your due diligence and check your local gambling policies. It is always better to be safe than sorry.
We are committed to providing our readers with accurate and timely information. The details mentioned in our review may be subject to change as casinos seek to improve their sites to offer their patrons a better gambling experience.
If you suspect you’re becoming addicted to gambling, seek help immediately by contacting the National Gambling Helpline at 1-800-522-4700.
The following resources may be helpful as well: