Recently updated on March 6th, 2023 at 10:31 pm
Check out our mega ranking and ratings list of the top 30 online slots, created especially for all slot machine fans!
Since 2001 we have been playing and testing thousands of real money slot games. So to help other players find the best slots, we decided to make an all-time ranking list with the 30 best online slots. We didn’t want to leave you with only a game name title, so we have added a short review of each slot machine.
Making the top list below took a lot of work because there are so many good slots. However, we believe all these deserve their ‘Top 30’ status. In the future, we will extend the list to 50 as we had to leave some excellent games out.
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All the games below you can also play on your Android, iOS and Windows mobile devices.
2023 Best Online Slots List & Ratings
|Online Slot Game||RTP||Rating|
|Wild Toro 2||95.00%||10|
|The Dog House Megaways||96.55%||10|
|Age of Asgard||96.20%||10|
|Money Train 3||96.1 0%||10|
|Legacy of Egypt||96.50%||10|
|Book of Dead||96.20%.||10|
|Guns N’ Roses||96.98%||10|
|9 Mask of Fire||96.24||9|
|Book of 99||99.00%||9|
|Planet of the Apes||96.30%||9|
|Jack and the Beanstalk||96.30%||9|
|Ted Slot Machine||95.8%||9|
|Poltava – Flames of War||96.40%,||9|
|Sam on the Beach||96.3%||9|
|Hot as Hades||96.75%||9|
|Jack Hammer 2||96% - 99%||9|
|Secrets of Atlantis||97.10%||9|
|The Invisible Man||96.4%||8,5|
|Theme Park Tickets of Fortune||97.00%||8,5|
|Hong Kong Tower||96.3%||8,5|
|Mega Fortune Dreams Jackpot||96% - 99%||8,5|
|Castle Builder II||96.47%||7|
Why do we believe this is the most accurate Top 30 Slots Guide Ever?
Our experience with online slots goes back over two decades. We were there when online slots first hit the internet’s wires, making their way to people’s home PCs. We have seen all the technological changes the online casino industry has made, from PCs to smartphones to tablets. Our team of avid slot machine fanatics have been there, done it, and bought the T-shirt.
We have tried every bonus round, new feature, free spins, and progressive slot game, from 1-way to 1024-way win slots. In addition, our team of slot pros has tried and tested every new idea released by the online casino industry.
There is nothing we do not know about playing online slots. But we all have our tastes in slot machine features and themes. So we apologize if you feel we missed out on your favourite slot machine below.
Yet, if you see slots mentioned here that you have yet to try, we urge you to try them. You never know; we might surprise you by introducing what could be your new favourite online slot!
Sit back, read on, and enjoy the ride!
Top 30 Online Slots
1. Nitropolis 3 – New Top 1
The Nitropolis 3 slot is the latest and super fun-to-play addition to the Nitropolis franchise.
After a close showdown with sergeant Nitro Wolf in the previous Nitropolis 2 versions, the gang had to flee town in a hurry. They found a nice spot down south where they got to their mischievous lifestyle. So this is where Nitropolis 3 slot adventure starts.
As you might expect if you played the previous version, the Nitropolis 3 slot machine has an original design and great bonus features, and the gameplay is exceptional fun. It comes with 6 reels and 4 rows, which can expand to a maximum of 8. The bets start at only $0.20 and can go up to $50 per spin. The top payout in the game is 50,000 times the total stake.
Base play comes with big symbols. Covering up to a 4×4 grid, an avalanche mode, Wilds, Both Ways Pay, and Nitro Reels Re-spins, making it exciting to play, as payouts can be huge. Land 3, 4, 5, and 6 bonus symbols to get 8, 12, 16, or 20 free spins. Trigger the feature with a Super Bonus symbol to start playing with 8 rows high, and Both Ways Win.
The super bonus free spins are where the most significant payouts can happen. So this is where you can see the full potential Nitropolis 3 has.
We all here at OnlineCasinos.net love to play the Nitropolis 3 slot machine with its excellent design and cool features. So it was easy to agree it should be the top online slot. Whoever designed this game at Elk Studio deserves a raise because it is such a fun game to play.
Online Slots don’t get much better than this — Congratulation to Elk Studio for making the best online slot ever.PLAY NITROPOLIS3 FREE OR REAL MONEY
2. Wild Toro 2
Wild Toro is a popular name in the Elk Studios collection, and you can see the first version below. The original game became an instant hit with its fun theme, great visuals and lucrative bonus rounds. So the designers decided to treat us with a superb new sequel to this slot machine.
The Wild Toro 2 is a top online & mobile slot from 2022. It is so good that we have voted it in the top 3 of best online slot machines ever made.
As you can already guess, the slot follows the same theme as the original. You’ll witness firsthand the mischiefs of the Red Bull and the Matador. For this game, the designers went with a 5×5 grid, offering 259 paylines. The bet size is pretty standard, ranging from $0.20 to $100 per spin. The game has an RTP value of 95% and a medium to high variance.
As in most other slot games, the most lucrative part of the game is the bonus features. Wild Toro 2 doesn’t disappoint in this section, as it offers four exciting bonus features:
- Toro Goes Berserk when the Bull and the Matador symbols land in the same spin. Toro will knock all Matadors off the reels, leaving a trail of Wilds behind him.
- Land the Silver or Gold Matadors to trigger the Matadors Re-spin feature. The win multiplier attached to the Gold Matador increases with every re-spin.
- When Toro knocks out a Gold Matador, the Matador Knockout feature is triggered. The multiplier value is transferred to Toro, and he becomes a Walking Multiplier Wild.
- Land a Matador symbol on the screen to trigger the Expanding Reels Feature. An extra row shows up on top of the reels, increasing the overall number of winning paylines.
Wild Toro2 is a fun game to play and a must try for slot fans.PLAY WILD TORO 2 FREE OR MONEY
The 3rd slot game on the top list is the all-time most popular online slot. The Starburst game is always busy at online casinos. Starburst by NetEnt is a fantastic 5-reel, 20-pay line video slot with an RTP of 96.09% and wins payout both ways. Most of its popularity is down to its easy play and low variance, which means regular payouts and plenty of entertaining action
Starburst has been designed with a classic feel but with stunning graphics, and its popular bonus feature is that of the expanding wilds. These can land on any of the 5 reels, and when they do, they will expand to fill the entire reel. Not only that, when these expanding wilds land, they will lock the reels they landed on. You will then win free re-spins on the remaining reels, where any new winning combos will pay out accordingly. Furthermore, the expanding wilds can be retriggered up to three times in a row, giving you chances of massive payouts.PLAY FREE OR MONEY READ REVIEW
4. The Dog House Megaways
Pragmatic has released several great online slots lately, bringing many loyal players. One of the best ones, undoubtedly, is The Dog House Megaways Slot.
With 6 reels, 7 rows and 117,649 ways to win, this slot can produce payouts of over 12,000 times the total stake. So there is enormous payout potential, especially in the free spins, where wilds become sticky wilds.
So the exciting free spins game is why many players love playing The Dog House Megaways.
To trigger the free spin feature, you need to land 3-6 Scatters on the reels, or you can use the Buy Bonus button for a price of 100 times the total stake. Depending on the number of Scatters you get, you are rewarded 7 to 20 free spins with up to 7 Sticky Wilds on each reel.
If you choose the Raining Wilds feature, you can win up to 30 free spins with up to 6 Wilds on each spin, but wilds are not sticky. The best part of the free spin feature is that the Wilds can come with an attached x2 or x3 Win Multiplier.
When we play The Dog House Megaways, we always choose the free spins with sticky wilds, and if it pays a big win, we choose the 30 free next time.
The Dog House Megaways is real fun and exciting online slot with many fans, and it deserves a 4th spot on the 30 best online slots list.PLAY FREE OR MONEY READ REVIEW
5. Age of Asgard
This slot machine from Yggdrasil Age of Asgard deserves a prime spot on our ranking list.
The slot game is a 5-reel with up to 50 paylines. The Age of Asgard online slot offers wilds, different types of free spins, and fun clash features. If you play max bet, the slot machine can pay up to a whopping $488860. You can bet from $0.20 to $200 per spin.
Age of Asgard is an exciting and fun 2-in-1 slot machine concept!
The free spins are where most of the big wins come in, and you can win 10 free spin bonuses on each of the two slot wheels. In addition, if you get 3 free spins symbols on both reels, you win 20 Special Free spins called Ragnarok. The Ragnarok spins are where we have won the most significant amounts.
Age of Asgard is the best online slot made in 2019, and it’s getting spot five on the best online slots ever.
Keep up the excellent work, Yggdrasil!PLAY FREE OR MONEY READ REVIEW
6. Money Train 3 (New on Lists)
Money Train 3 is currently one of the most popular games in the Relax Gaming portfolio. The reason for this is simple. The game comes with a great design, amazing bonus features, and a maximum payout potential of 100,000 times the stake. This is the reason why many players flock to its reels, hoping to hit that mega payout.
As for the design, the slot comes with 5 reels and 4 rows, and 40 active paylines. The bets go from $0.10 to $10 per spin, so it’s an accessible slot for all types of players.
During any non-winning spin in base play, you can trigger the Re-Spin feature. One symbol is chosen to be sticky on the reels and you get an extra re-spin every time an additional symbol hits the reels. You can also land multipliers that are added together at the end of the spin.
But the main excitement comes when the bonus round is triggered. To do so you need to land 3 bonus symbols or two bonus symbols and a persistent symbol anywhere on the reels. You can also buy the bonus feature at any time for a price from 20 to 500 times the stake, based on the features you want.
The goal in the bonus round is to keep the spins going. You get 3 free spins and they are reset to 3 each time a symbol sticks to the reels. The values are collected and you can land special symbols for even bigger payouts. Some of them are Collector, Payer, Tommy Gun Sniper, Sniper, Necromancer, Absorber, and their persistent versions. With these symbols, the bonus round can produce mega payouts making it well worth playing.PLAY FREE OR MONEY
7. Legacy of Egypt
Created by Play’n GO, Legacy of Egypt is another game revolving around the hugely popular theme of ancient Egypt. Reels come with symbols such as scarabs (wilds), pyramids (scatters), queens, and pharaohs. In addition, there is exciting music that rounds up the atmosphere.
Legacy of Egypt features 5 reels and 30 paylines with symbols stacked on the reels, creating possibilities for some big wins. However, in the bonus feature, this slot game shows its full potential and where you have a chance to win big money.
The bonus gets triggered by landing three pyramid scatters anywhere on the reels, and players can win up to 20 free spins at the start of the feature. In the free spins game, you get a random multiplier between 2x and 10x wins on every spin.
In the free spins, you can retrigger the bonus feature in Legacy of Egypt, which often happens by landing two or more pyramids on any bonus spin. When this happens, you’ll get more free spins (Pyramid Spins) and keep the multiplier active from the triggering spin. We love to play this game and have often won over 50 free spins, and sometimes even with a 10x multiplier – definitely one of the best online slots out there.PLAY FREE OR MONEY
8. Book of Dead
Book of Dead is one of the most legendary slot games releases by Play’n GO. The game is a 5-reel, 3-row slot machine that allows you to explore the deepest secrets of Egypt’s pyramids. It features HD graphics, and thanks to the fact that it utilizes the latest HTML5 technology, the Book of Dead slot is fully optimized for use on all Android and iOS devices.
There are 10 adjustable paylines in Book of Dead, and they reward players from the leftmost to the rightmost reel. Additionally, the Book of Dead has 10 regular symbols, and players must land at least 3 to trigger a win. The low-end symbols are 10, J, Q, K, and A, known as Royals.
The bluebird, Anubis, the pharaoh, and the explorer represent high-end symbols. A Wild symbol, which substitutes regular symbols, is also featured. There is one bonus feature in the Book of Dead, which is Free Spins.
To trigger free spins, players must land three or more Scattered Books. In this case, they will receive 10 Free Spins, where you hope to get all the 5 reels filled with Expanding symbols. The free spins can be retriggered multiple times under the free spin round.
Bets in Book of Dead vary between a minimum of $/£0.01 and $/£100, the volatility rate of this slot is high, and the maximum jackpot payout is set at 5,000x the stake. The RTP rate is 96.2%.PLAY FREE OR MONEY
9. Guns N’ Roses
As the winner of the best slot machine in 2017, Guns N’ Roses certainly has to be on this list, and once you have played this NetEnt masterpiece while rocking to the sound of the world-famous tunes written and produced by the iconic rock band, you will see why this slot is an award-winner.
Popular due to great graphics, lucrative features, and a rocking soundtrack, Guns N’ Roses is one of those online slots that you must try at online casinos.
The reel format has 5 reels and 20 paylines, and an RTP of 96.98%. It also comes with fun features such as expanding wilds, free spins, multipliers, wild symbols, scatter symbols, a bonus wheel, and a hugely entertaining bonus game. Whether you love the rock band or not, there is no doubt in our minds that you will enjoy the highly addictive action that it provides.PLAY FREE OR MONEY READ REVIEW
10. Masks of Fire(New on List)
9 Masks of Fire is a Microgaming slot growing in popularity across online casinos. The game is basically a clone of the fire jackpot slot machine you find across land-based casinos in Canada and the US.
It comes with 5 reels and 3 rows, totalling 20 active paylines. The bets can go from $0.20 to $240 per spin.
Land 3 or more masks anywhere on the reels to get a cash prize. Land 3 to get a 1x stake prize, and land 9 for a whopping 2,000 x the stake payout.
Land 3 scatters on reels 2, 3, and 4 to trigger the free spins bonus. You win the wheel of fortune, where you can win up to 30 free spins and an ax3 win multiplier. The free spins can be re-triggered at any time. With its red-hot sevens and diamonds across the reels, 9 Masks of Fire brings you to another time in gambling.
The slot is exciting to play and will become one of your favourites across Microgaming casinos.PLAY FREE OR MONEY
11. Book of 99
Why not play the best-paying online slot machine with an impressive 99% RTP.
Book of 99 is a new excellent slot release by Relax Gaming, and this Greek-themed slot game will allow you to explore the deepest mysteries of the tombs as you go on a quest for treasures.
Once you access the game, you will spot a grid that contains 5 reels and 3 rows. Book of 99 is fully optimized for mobile and desktop use, which means you can also enjoy it on any Android and iOS device.
The most prominent feature that Book of 99 has is its Return To Player. The RTP rate of this slot is 99%, which is quite astonishing. Not only that, but it does have a few fun bonus features.
The first feature is the Free Spins feature, in which you will win 10 Free Spins if you land at least 3 Scatter symbols. The free spins can retrigger. Before the free spins start, you get a random symbol that expands during the free spins.
There is one more way you can win the free spins, the Wild symbol in the Book of 99 has two purposes. First, it can replace regular symbols but also fills up the Collection meter. Each time a Wild is landed, the Collection meter increases by 1 step. The Free Spins feature is also triggered when the meter hits 99.
When playing the game, it is nice to know you will win free spins when it hits 99 because most of us have tried waiting too long for 3 Scatter symbol to appear on a slot game.
Book of 99 has 9 fixed paylines, and you can bet between a minimum of $/£0.10 and a maximum of $/£100. Once you’ve set the bet, all left is to spin the wheel. I have played this online slot machine a lot, and it pays back a lot more than other online slots. Book of 99 will become a player’s favourite.PLAY FREE OR MONEY
12. 4 Secret Pyramids (New)
4 Secret Pyramids is a popular Relax Gaming online slot which takes you back to Ancient Egypt. As you probably already know, ancient Egypt is a popular theme among slot providers, and Egyptian slots are also popular among players. 4 Secret pyramid has a lot to offer in every way, starting from the design.
It comes with a 5×4 grid and 1,024 ways to win. The bets in the slot can range from $0.20 up to $100 per spin, depending on the online casino. You can also activate the Xtra bonus and the x2 bonus features buttons for added value to your bet. These buttons increase your chances of landing the bonus and double the rewards in the free spins bonus.
To trigger the feature, you need to land 3 scatters on reels 1, 3, and 5. If they only land on reels 1 and 3 you can get a cash prize of up to 50x stake or progress to the next location on the desert map. There are 4 locations in total, each one with unique rewards.
You can also buy the bonus round anytime using the Buy button. Here you can choose among 4 free spins modes, with the most expensive ones offering the highest number of free spins and multipliers and the potential for the biggest payouts.
Once you choose your free spins, you arrive at the pyramid. Here you need to select blocks from each level. Each block can award extra free spins, win multipliers, and a symbol to come as a Super Stacked symbol across the reels. Reach the top of the pyramid for the top price of 55 Free Spins with 15x multipliers and watch as mega wins unfold in the feature.
We have often played this fun game and unlocked the 55 free spins several times. 4 Secret Pyramids definitely deserves a top ranking.PLAY FREE OR MONEY
13. Planet of the Apes
Planet of the Apes is another excellent slot from the NetEnt. Having been given the license to release a slot machine based on the popular movie franchise, NetEnt has again churned out something of fantastic quality.
Featuring dual-reels of 5-reels and 20 paylines apiece, one for each of the first two movies, Rise of the Planet of the Apes and Dawn of the Planet of the Apes, this unique feature-packed slot is already proving popular among online casino players.
Planet of the Apes has an RTP of 96.33% and contains some of the best graphics and animations on an online video slot. In addition, it offers medium to high volatility, which means you can expect some very handsome payouts. Furthermore, complete with bonus features such as free spins, stacked wilds, scatter symbols and a bonus game for each of the two movies, there are plenty of different ways to bring in the wins.PLAY FREE OR MONEY READ REVIEW
14. Jack and the Beanstalk
A firm favourite among high-rollers, Jack and the Beanstalk, is an older online slot still going strong at online casinos. Popular due to a very high variance, which means a longer time between payouts, which is usually huge when they arrive. You can see why big-budget players love taking their chances on this NetEnt classic.
With 5 reels, 20 paylines, an RTP of 96.30% and features such as free spins, scatter symbols, expanding wilds, walking wilds, and a bonus game, this beautifully animated 3D video slot has more than enough to keep most players interested. Despite being around for some time now, you will still find hordes of players enjoying this game at online casinos.
Themed around that fantasy-based fairy-tale that we all remember as children, Jack and the Beanstalk, this slot has the complete package when it comes to video slots. Who knows, perhaps the magic beans could lead you to some ‘giants’ in terms of payouts.PLAY FREE OR MONEY READ REVIEW
15. Wild Toro
Having been released by ELK Studios at the end of 2016, Wild Toro has been earning rave reviews from many players at online casinos. As a medium to high variance slot, Wild Toro is known for the big payouts that it can dish out.
The jackpot on this online slot is a staggering 2,250x the total bet placed, and when you consider that you can bet as much as $100.00 per spin, you are talking about a potential payout of $225,000!
Even if you don’t manage to take down that whopping jackpot, you still have the potential to get some other great payouts via a bunch of game features like walking wilds, wild symbols, and re-spins.
As Wild Toro is a modern slot, you can also be sure that the graphics are all HD and the animations are sublime. Furthermore, this slot has a design with mobile technology in mind, playable on almost any device capable of connecting to the internet and streaming games.PLAY FREE OR MONEY READ REVIEW
16. Gonzo’s Quest
If you were to ask any players that have been playing online slots frequently for years to name 10 of the best slots of all time, we would bet that most would name Gonzo’s Quest by NetEnt among them.
The Gonzo’s Quest slot machine launched in 2010, the 20-pay line slot carries an RTP of 96.00%, and it has cascading reels, which means the symbols all fall into place from above. So on every win, those winning symbols will disappear, and more symbols from above will fall into the vacated spaces.
That cascading feature can bring in multiple payouts after each spin as the new symbols drop into place, but some multipliers are attached to the rewards above the reels. After each consecutive win due to the cascading tiles, this multiplier increases by one, which means there is some good potential for big wins. Other bonus features on Gonzo’s Quest include free spins, wild symbols, and scatter symbols.PLAY FREE OR MONEY READ REVIEW
Ted is another popular online slot that has hit online casinos in the last few years, and there is an apparent reason why it is so popular. It’s Bonus rounds – probably the most we have ever seen in an online slot.
Developed by Blueprint Gaming, Ted is the online slot adaption of the hilarious movie of the same name about a talking teddy bear called Ted. With an RTP of 95.81% and a low to medium variance, you can expect fast-paced action on this 5-reel, 20-pay line online slot, and you will soon see that there is never a dull moment when playing.
You will see five unlockable bonus rounds when you land three scatter symbols on your reels. Every time you unlock one of the bonus round, you automatically move up to the next one.
However, it doesn’t end there, as six other bonus rounds can occur randomly during any spin when the ‘Ted’ character wakes up from his sleep to give you the potential for some handsome payouts.
Check it out if you have not already, as Ted has all of the attributes needed to be a top-notch online slot machine.PLAY FREE OR MONEY READ REVIEW
18. Divine Fortune
Another slot that has become a favourite for many players out there is Divine Fortune by NetEnt. Having played it many times ourselves, the main reason for its popularity is the three different progressive jackpots players can win. The lucrative jackpot bonus game could award you as much as $/£100,000.
On top of that, this 5-reel, 20-pay line slot comes with an excellent RTP of 96.59%. In addition, the game has great features such as free spins, expanding wilds, scatters, and wilds.
A popular slot machine
This online slot will continue to be popular for many more years, containing excellent graphics and smooth animations. If you have not tried it out yet, you should add it to your list for the next time you take a trip to your favourite online casinos.PLAY FREE OR MONEY READ REVIEW
19. Poltava – Flames of War
Poltava Flames of War is another exciting online slot by Elk Studios that does not get the credit it deserves. Released in 2016, Poltava Flames of War continues Elk Studio’s tradition of creating online slots unique to anything else.
What is particularly good about this high variance online slot is the unique bonus features, such as its lucrative Marching Reels Respin Bonus and Flames of War Free spins bonus. Each of these innovative bonus rounds is not only fun but also has the potential to pay out some fabulous wins.
Graphically, this slot machine also has top-notch HD graphics, and the soundtrack is infectious. With an RTP of 96.4%, this 5-reel, 40-payline online slot is one of our favourite casino games, and we are sure that many players will agree with us.PLAY FREE OR MONEY READ REVIEW
20. 1429 Uncharted
Thunderkick Games have been making a big name for themselves over recent years. So this is due to the quality online slots they have been developing, and once you see 1429 Uncharted, one of their finest, you will quickly see why.
1429 Uncharted comes with quality features and good visuals designed creatively. The Slot machine also comes with fast-paced action, and 1429 Uncharted certainly deserves its place on this top list.
However, the biggest reason for this online slot’s popularity at online casinos is the superb return-to-player percentage of 98.6%. When you consider the game’s low edge and add that this online slot has a medium variance level, players get some solid bang for the buck with their wagers.
Throw in the possibility of being rewarded with up to 50 free spins and other excellent features, such as stacked wilds and some gorgeous graphics and animations, and you have a great slot game to play.PLAY FREE OR MONEY READ REVIEW
Following on from the hugely popular heavy metal Guns N Roses slot game comes Motorhead, also on this best slots online list.
NetEnt released Motorhead in 2016. One of the most anticipated online slot releases that year, this 5-reel, 76-payline slot, has lived up to the hype.
Fantastic graphics and a banging soundtrack are just the icings on the cake with Motorhead. But, moreover, what is underneath is what impresses the most. With outstanding features and enjoyable gameplay, the Motorhead slot machine will continue to be popular for many years.
With a low-medium variance and a high RTP of 96.98%, you can be sure that there is plenty of entertainment and some good regular payouts for you to win.
Even if you are not a fan of heavy metal, you can turn down the volume and still enjoy the fantastic gameplay that this online slot has to offer. This is a list of the 30 best and most popular online slots, but this slot would be on the list even if we shortened it down to 20; it is that good!
Motorhead has been a favourite for Nick and Michael from OnlineCasinos.net for years.PLAY FREE OR MONEY READ REVIEW
Elk Studios feature quite prominently on this list, showing how impressive they have been with the online slots they have developed. They have a creative flair, again demonstrated in Bloopers, another highly enjoyable and feature-rich online slot.
With a healthy RTP of 96.1% and volatility between medium and high, this 243-ways-to-win slot has become a firm favourite with players at online casinos. The Bloopers theme is a movie studio and all the goings-on which occur when a new movie is in production.
The free spins round is where the best action occurs. During the free spin round, you have sticky wilds that will no doubt help you pick up multiple wins and the chance of one of the main characters randomly activating one of four different additional bonuses. The random bonuses can be extra free spins, falling symbols, and expanding wilds.
We highly recommend trying Bloopers out, as it is one of the best slot releases. Bloopers have become a favourite game for many players all around the worldPLAY FREE OR MONEY READ REVIEW
23. Sam on the Beach
Elk Studios have built a solid reputation for themselves over the years for not just churning online slots out for the sake of it. Instead, they spend a lot of time on each slot machine. They do this to ensure that they are not only entertaining and lucrative but are also very different from what is already out there. Sam on the Beach is no exception to this rule and is easily worth a spot on this list.
An RTP of 96.30% is standard for a medium variance 243-ways-to-win slot. But as with most slots from Elk Studios, the real magic is in the fantastic game features. You have the Beach memories respin feature that contains sticky wilds, a free spins round. In addition, a special bonus for each game’s character’s sticky wilds, sticky multipliers, bonus multipliers, or imploding symbols.
Graphics are superb, and this Sam on the Beach works on all computers and mobile devices, no matter the operating system. Sam on the Beach is a must-try slot machine for any player looking for a top-quality experience at online casinos.PLAY FREE OR MONEY READ REVIEW
24. Hot as Hades
Microgaming has developed a fair amount of popular online slots down the years, and another title of theirs that deserves a place on this best list is Hot as Hades. This low to medium variance slot contains 5 reels and 20 paylines, which is mainly popular due to some great bonus features.
The Quest for the Crystal Helm is a five-tiered bonus round and is the pick of the features on Hot as Hades. Throughout the five levels, you will get the chance to win random payouts by choosing items to reveal what is beneath them. In addition, a free spins mode is also available to give you the further potential for wins.
You will also be impressed with the graphics that Hot as Hades has to offer, and while the Greek mythology theme has been done to death by online slots, this is one of the best.PLAY FREE OR MONEY READ REVIEW
Having been developing online casino games since the start of the internet, you can be sure that Microgaming knows what they are doing. Tarzan is another of their better online slots, with plenty of players lining up to play at the online casinos.
5-reels and 40-paylines are where the action takes place in this slot themed around the famous Tarzan movie. Wild symbols, scatter symbols, a bonus wheel, free spins, random cash prizes, growing wilds, stacked wilds, rolling reels, and multipliers are among the extensive list of features that this 96.48% slot game has to offer players.
Moreover, it comes with a significant local jackpot of up to $/£/€40,000 if you bet a max of $40.00 per spin. To be able to win that massive jackpot of 1,000x, your total bet will require you to land five scatters on the reels at the same time. Tarzan is a great slot machine and worth a try.PLAY FREE OR MONEY READ REVIEW
26. Jack Hammer 2
NetEnt is the second oldest online slot developer behind Microgaming. Over the years, they have developed some absolute classics. You can add Jack Hammer 2 as one of them.
We added Jack Hammer 2 to the best list because it has a good selection of features, good HD graphics animations, and a high RTP of 97.10%.
As another of their Marvel-themed slots, this slot game theme is the famous Jack Hammer comic book hero. Despite being nearly ten years old, the Jack Hammer 2 slot machine is still going strong at online casinos. So therefore, more than deserving of a spot on our top list.
Anyone who wants the best value for their money will love Jack Hammer 2. So this is because online casinos will only have an edge of 2.90% on this game. Not only that, but with so many excellent features such as sticky wings, free spins, wild symbols, and scatter symbols, you know that you will have a shot at claiming some big wins on this 5-reel 99-pay line slot.PLAY FREE OR MONEY READ REVIEW
27. Pink Elephants
Pink Elephants appears on this list as one of Tunderkick’s best releases. It has become surprisingly popular, and that popularity is probably down to several reasons. One of those reasons is that this is a 5-reel slot with 4,096 ways to win.
Furthermore, Pink Elephants has a medium to high variance and a jackpot of 820,000 on offer. We all like the idea of having the potential to win amounts that have to be considered life-changing, and that’s what the Pink Elephants slot machine has the potential to do.
A good number of game features is also a factor in the popularity of this 96.1% RTP slot, as there are lucrative free spins rounds and wild symbols and scatter symbols for players to take advantage of.
This slot machine has been popular for over five years and deserves a place on this list.
28. Secrets of Atlantis
Stunning visuals, smooth animations, a calming soundtrack, and an eclectic mix of bonus features are undoubtedly why so many VIP players love Secrets of Atlantis by NetEnt. In addition, you can also throw in a very impressive RTP of 97.10% and medium volatility as big positives for this online slot.
All of the action takes place across 5-reels and 40-paylines. But most big wins will likely come from innovative features such as wild nudge symbols and colossal symbols respins.
Upon first look, you will love the high-quality graphics that Secrets of Atlantis have. And the best part is that this online slot is designed with mobile players firmly in mind. So we suggest checking this slot game out if you have yet to do so. We all like playing this game here at OnlineCasinos.net.
We are confident Secrets of Atlantis will become a big favourite for many of you.PLAY FREE OR MONEY READ REVIEW
29. The Invisible Man
NetEnt has another online slot that undoubtedly earns its place on this list. This time it is The Invisible Man, a 5-reel, 20-payline slot. The game contains fantastic features such as roaming wilds, free spins, respins, a click-me feature, and two unique bonus games.
On this pay-both-ways slot with an RTP of 96.40%, you can expect some regular payouts due to a medium variance level. Furthermore, you can add to that potential via the many features.
The fun bonus games are the Police spins bonus game and a Griffins Rage bonus game, two unique bonus games. The Police spin, in particular, could see you net as much as 270,000 coins due to five flaming wilds appearing on the reels during the round.
When you consider all of the above and then throw in some impressive graphics, you have an online slot that is a must-try for all types of players.PLAY FREE OR MONEY READ REVIEW
30. Thunderstruck 2
Thunderstrike 2 has been a favourite online slot machine for many players for many years. Furthermore, it still holds up well despite the recent release of many other excellent slots. Microgaming is no stranger to producing top-quality online slots. Thunderstruck 2 is an oldie but still getting played a lot. It is a 243-ways-to-win online slot that could land mobile players as much as $2.5 million.
With a healthy RTP of 96.65% and medium volatility, Thunderstruck 2 gives players plenty of potential for wins. The game has a local jackpot of 121,500 coins. In addition, players who play on the mobile version of this online slot stand a chance to win $2.5 million via several different bonus events.
Three different bonus rounds are available for players: the Valkyrie bonus, Loki Bonus, and Oden bonus, with free spins and multipliers awarded in emphatic style.
We love this online slot even though it is an oldie. The game has excellent features, big potential payouts, and high-quality graphics that Microgaming is renowned for making. Even though the game is from 2010, it is still on many players’ favourite lists.
We still think this is one of the best online slots. So if you have yet to try it, it is worth a try.PLAY FREE OR MONEY READ REVIEW
31. Immortal Romance
Immortal Romance has long been a favourite for many players that love to spend time at online casinos, and it is easy to see why. This Microgaming title features fantastic graphics and animations. It has an RTP of 96.01%, which can rise to 96.86%. In addition, it has four bonus features that keep players more than interested.
Immortal Romance is a 243-ways-to-win slot with a high variance. The game theme is around the trend of vampire/human love stories found in movies and TV series such as twilight.
The game has four bonus games, and the four bonus features are where the best fun is. There are different bonus rounds for each of the four main characters featured in the online slot machine. Each bonus round is a different variation of free spins and multipliers.
As well as fantastic features, Immortal Romance also provides players with a slot that has some excellent graphics and gameplay that is difficult to match. Check it out, and we are sure you will agree with our opinion to have it on this list. If this top list were only about all-time popularity, we would have it among the top 20 games because of its popularity.PLAY FREE OR MONEY READ REVIEW
32. Theme Park Tickets of Fortune
Theme Park Tickets of Fortune by NetEnt is an underrated online slot that deserves more credit. Released in 2016, this 5-reel, 25-payline slot has a lot going for it and is a slot machine game that we find highly enjoyable.
Why is it so enjoyable? Due to many bonus features that can be found present in the slot. For example, there are six mini-games, stacked wilds, and a fun Claw feature.
Couple those excellent features with HD graphics and animations that work seamlessly regardless of your device. Then you have an online slot that looks great and provides endless hours of fun.
Theme Park is a low variance slot. That means regular payouts, and it has an RTP of 96.52%. So this makes it an excellent choice for those with limited budgets who want to enjoy some long-paced action at online casinos.PLAY FREE OR MONEY READ REVIEW
33. Hong Kong Tower
Hong Kong Tower is an online slot released in 2017. Some players have claimed that it was one of the best releases of 2017. Created by ELK Studios, this aesthetically beautiful 99-payline slot is designed mobile-first, and it looks fantastic no matter what device you use to play it.
Another big reason for its popularity is, no doubt, the big jackpot of 300,000 dollars/euros that is on offer if you bet the maximum spin amount. That is huge for a local jackpot and is 3,106x the total spin bet. So it is not strange that so many players like this fun online slot.
Hong Kong Tower does not let you down with its features either. The game is a 96.30% medium variance slot with stacked symbols, wild symbols, scatter symbols, and its main bonus feature, the Wheels of the Sky. Admittedly, a lack of free spins is a little disappointing at first, but these features more than makeup for it.PLAY FREE OR MONEY READ REVIEW
34. Jurassic World
We all remember the blockbuster Jurassic Park movie franchise that made tons of money at cinemas worldwide. However, the online slot depiction of the latest movie is also massively popular due to paying out tons of cash for certain lucky players.
Playable across multiple devices and platforms, this 5-reel, 243-ways-to-win online slot by Microgaming. It comes with brilliant graphics, ultra-smooth animations and a plethora of lucrative bonus features.
With a medium variance level and an RTP of 96.38%, there is always a chance at some welcome payouts with features like wild symbols, scatter symbols, multipliers, a bonus game, and three different variations of a free spin round.
Microgaming, the oldest casino games developer, has been known over the years for delivering online slots of the highest quality. Jurassic World is undoubtedly one of their best and deserves a spot on this list.PLAY FREE OR MONEY READ REVIEW
35. Mega Moolah
Almost anyone who has played online slots for an extended period will have heard of Mega Moolah or played it. This legendary progressive slot by Microgaming is so well known for its ability to pay out massive sums of money that it is fittingly known as the ‘millionaire maker’ at online casinos.
Having been around since 2008, Mega Moolah actually holds the record for the single largest payout ever won on an online slot. That magic number was a staggering 17,879,645 euros. That would be $19,948,498.72 if you were playing in dollars. The jackpot was won by Englishman Jon Heywood back in 2015.
The slot game has 5 reels, 25-paylines, an RTP of 88.12%, bonus features like free spins, multipliers, wild symbols, scatter symbols, and an excellent wheel spin feature.
Playable via instant play through a browser or download, Mega Moolah is over ten years old and is still one of the most popular slots at online casinos. Would those huge progressive jackpots be the reason?PLAY FREE OR MONEY READ REVIEW
36. Mega Fortune Dreams Jackpot
It is easy to see why NetEnts Mega Fortune Dreams Jackpot is so popular. This progressive slot has an average jackpot payout of close to 4,000,000 dollars/euros/pounds. Furthermore, you can win three different progressive jackpots: the Rapid, Major, and Mega. Can you imagine what it would feel like to become an instant millionaire?
A sequel to the mega Fortune jackpot, this is another popular progressive slot by NetEnt full of potential. It comes with excellent gameplay and plenty of bonus features.
This slot has a 5-reel, 20-fixed payline reel format and perfectly sums up a NetEnt slot machine through great graphics and animations. Mega Dreams Fortune Slot is undeniably one of the most popular online progressive slots today. So this is because it has a 96.4% RTP, which is high for a progressive slot.
You can also expect a flurry of features. Wild symbols are the key to re-spins. Furthermore, the Diamond scatter unlocks a free spins round with up to 20 free spins plus multipliers. For the Mega Fortune Bonus, you need the bonus scatter to open up the Mega Fortune Bonus Wheel, where you could win one of the progressive jackpots. If you don’t hit the jackpot, at the very least, you will come out of the bonus round with something to show.
How can a slot with all of the above features, plus one that gives you the chance of winning life-changing money, not be on this top-ranking list?PLAY FREE OR MONEY READ REVIEW
There is nothing like an online slot that tries to be different from the norm, and that’s why players love what EggOmatic from NetEnt has to offer. This unique 5-reel, 20-payline slot machine carries an RTP of 96.50% and is a medium volatility slot. Slot players love the enjoyable gameplay with decent payouts and great features. So this is precisely the reason for EggOmatic stands out on the slots scene.
What is unique about this slot game is that to the reels’ right, you will see a dispenser that churns out eggs that then move across a conveyor belt at the top of the reels. Each of these eggs will represent a different feature you can unlock, including free spins. Once you land a Wild Rooster symbol on a reel, the egg and its feature above are triggered. Among the features in those eggs are free spins, random coin wins, wilds, and a random surprise.
Despite being around for a good few years now, EggOmatic is still a popular choice at online casinos thanks to a great and unique feature bonus providing an experience that no other slot can.PLAY FREE OR MONEY
38. Castle Builder II
Bringing a close to this list of high-quality online slots is Castle Builder II by Rabcat and Microgaming. The game is a sequel to the popular original first version nominated for the EGR Game of the Year Award in 2013. The Castle Builder II theme is like those kingdom-building games you can play on mobile, such as Clash of Clans.
All of the action takes place across 5-reels and 15-paylines. The wins will continue flowing in at reasonable levels as soon as you start spinning away. So this is because the game is a low to medium-variance slot machine. Furthermore, Castle Builder II has an RTP of 96.75%, which is more than solid.
Castle Builder II features are wild symbols, scatter symbols, and a Royal Wedding feature. The free spins come with a twist that has made this a favoured slot. Slot players that tend to be video game enthusiasts have flocked to this enjoyable slot.PLAY FREE OR MONEY READ REVIEW
Which Slot Developer Has the Best Games?
The leader of the best online slots provider is still, for now, Netent. I would have hoped I could have added some more Microgaming slots to this ‘Top 30’ list. But unfortunately, it seems Microgaming has for some years forgotten how to make great, UNIQUE, exciting slot games. However, this has recently changed, and in 2022, Microgaming signed deals with 12 independent game developer studios. These studios are to create new exciting slot games for them. You can read more about this here.
Admittedly, Microgaming has introduced some excellent new concepts over the last few years, including the none-payline 243 Ways to Win slot. Microgaming even shared the 243-Ways concept, so developers like Net Entertainment could release their slots using the no-payline idea.
Coming in second, just being clipped by NetEntertainment, is Elk Studio. They now have the 2 top spots on our all-time top list with the Wild Toro 2 Slot and Nitropolis 3.
This up-and-coming developer has surprised us positively with the unique, exciting games they have made. I hope Elk Studio keeps up the great work. Having new slot developers like Elk Studios releasing new games with a different dimension to every one of their latest slots is a breath of fresh air.
It also shows that Elk Studios have taken the competition seriously. The company has realized that every new release needs to be as unique as the last slot for its games to stand out in a competitive online slot machine industry. Well done, Elk Studios!
These slots have always been one of my and many others’ favourite slot providers, and they make some of the best online slots out there. Moreover, they never seem to disappoint, releasing at least 1 to 3 of the best-released slot machines each year.
They are also keeping up, but this slot developer is still not entirely up to the mark of Microgaming. Thunderkick is one of the newer developers on the scene, only breaking into the online slots industry in 2012 with some remarkably different slots.
The diversity Thunderkick has added to the diverse array of online slots available is nothing short of brilliant. The company entered the slots industry with some daring slots that were relatively simple in design. However, Canadian and UK players loved the simplicity and took Thunderkick slots like a duck to water.
Their fast-paced, action-packed themes have turned heads of the company’s inauguration into the online slots world. So keep your eyes peeled for more online and mobile slots from this developer because things can only get better.
Relax Gaming really impressed us last year, coming up in 2022 with some unique designs and highly entertaining slots like the Snake Arena and 4 Secret Pyramids slot machine. We can’t wait to see what they launch in 2023.
Last but not least
Yggdrasil Gaming and Pragmatic are high-quality online slot makers. They create some of the best slot machines online. Furthermore, many of the games they make are highly volatile slots, which means less often wins, but chances of big payouts. For example, pragmatic’s The Dog House Megaways Slot is one of their top highly volatile slot games. And for Yggdrasil Gaming, the game Age of Asgard, both listed in the top 5 above and is definitely worth a try.
Key Features Real Money Slots Should Have
When choosing online slots to play for real money, looking for certain key features is vital to ensure a quality experience. So below are some of the key elements we look for when listing them as the best casino games.
✓ We ensure the software provider has a valid licensee to provide real money slots to the online casinos. In addition, each game must undergo independent tests on the random number generator and RTP.
✓ The game must be unique or a better version. In addition, it must be fun and exciting to play with excellent features, including free spins or bonus games.
✓ Online casino games must be playable on mobile devices so you can play where you want, on the device you want.
✓ The higher the return to player(RTP) is, the better it is for players, so for all none jackpot money games, the RTP must be at least 95%.
3 Best Slots Casino Sites
If you want to play the above slots online, these are the three slot sites with most of the above casino games.
- Leo Vegas Casino – See Bonus
- Casumo – See Bonus
- Vegas Paradise – $200 Welcome Bonus Here
Rounding It All Up
Thank you for reading, and I hope you enjoyed our ‘Top 30’ online slots list. We have been playing slots for over 20 years, and we combined all our experience to create this comprehensive list of the best online slots.
Please enjoy, and send in any comments if we missed anything! We would love to hear your opinion because there are so many online slot players, and our list may not mention all your favourite games.
So if your favourite game is missing from our list, please let us know the game and why we should include it on OnlineCasinos.net’s Top 30 Online Slots list.
We will be updating the top list several times each year.
Remember to play responsible.
The OnlineCasinos.net team
Commonly Asked Questions About The Best Online Slots
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