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10 Best Online Slots Ever – The Real Money & Free Slot Games

Narrowing down the massive offer to only 10 titles is a challenge. But we rated the games based on their popularity, the payouts they can produce, and the bonus features they have on offer. So, here's our list of the 10 best online slots ever and what each has to offer. The Games are available in most countries including Canada, UK, Ireland, EU, New Zealand.

Best Online Slots
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Today there are tens of thousands of slots to choose from at online casinos. There are many software providers with rich game portfolios, and they keep them updated with new ones every month. So, the number of online slots keeps on rising. 

Narrowing down the massive offer to only 10 titles is a challenge. But we rated the games based on their popularity, the payouts they can produce, and the bonus features they have on offer. You can play the below online slots free at sites such as FreeSlots.me, which is always a good idea before playing slot machines for real money. So, here's our list of the 10 best online slots ever and what each has to offer. The Games are available in most countries including Canada, UK, Ireland, EU, New Zealand.

10 Top Slot Machines Ever

  1. Gates of Olympus – (Most Popular Slot at Online Casinos)

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Gates of Olympus

Gates of Olympus is a name that needs no introduction. This is one of the most popular slots from Pragmatic Play, with thousands of daily players. The game is incredibly popular because it can pay big in the bonus round and is incredibly fun to play. 

The game comes with 6 reels and 5 rows and uses an All Symbols Pay design. So this means you need to land at least 8 matching symbols anywhere on the screen to get a win — the bets in the game range from $0.20 to $125 per spin. 

The game also uses a Tumble Feature, which removes all winning symbols from the screen, and new one's land in the empty spaces. So this allows for more winning combinations to land, all in a single paid spin. You can also get multiplier symbols ranging from x2 to x500 on any spin. They will multiply the current win; if more multipliers are present, their values are added together. 

To trigger the bonus round in the Gates of Olympus slot, you need to land 4 or more scatters anywhere on the screen. In return, you get 15 free spins, with an additional 5 free spins for each trio of scatters that lands in the feature. 

During the bonus, all multiplier symbols contributing to a win are added to the multiplier meter on the left side of the reels. This way, the total multiplier grows and is applied to every win, with a multiplier present on the screen. 

If you want to trigger the bonus round instantly on Gates of Olympus, you can do so via the Buy Bonus button. The price to buy the feature is 100x the stake.   

  1. Nitropolis 3 – One of The Best Online Slots Ever Made

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Nitropolis 3

Nitropolis 3 is a very popular slot, part of the Nitropolis franchise of slots by Elk Studios. The original slot became an instant hit across online casinos, so the provider decided to keep producing new and improved game versions. 

This game has a total of 6 reels and 4 rows, which can expand up to a maximum of 8. The bets go from only $0.20 up to $50 per spin. One of the reasons why this game is so popular is the maximum payout, set at 50,000x the stake. 

The game comes with small and big Nitro Reels. The small ones can contain 4, 6, 8, 10, and 12 symbols of 1x1 blocks. The big ones can come with 2, 3, 4, 5, or 6 symbols of 2x2 blocks. The symbols themselves can also come in 4 different sizes. The standard ones come as 1x1 blocks, the Super in 2x2 blocks, the Mega in 3x3 blocks, and the Epic in 4x4 blocks. All winning symbols on the reels explode and are removed from the screen. Then an additional row is added, which can reach a maximum of 8 rows. 

The Nitro Reels can come with 3 additional features. The Nitro Match will match the symbols from the nitro reel to adjacent reels. The Nitro Wild will add Wild symbols to adjacent reels, while the Nitro Upgrade will upgrade the number of symbols on the reel. 

To trigger the bonus round in Nitropolis 3 you need to land 3, 4, 5, or 6 bonus symbols anywhere on the screen. In return, you get 8, 12, 16, and 20 free spins. If one of the triggering bonus symbols is a Super Bonus, you trigger the Super Bonus feature. 

The feature starts with 4 rows, upgrading the row after each win. All Nitro Reels are kept on the screen for the remainder of the bonus during the feature. During the feature, you can also activate the Both Ways Pay feature. In the Super Bonus, you start with 8 rows, and the Both Ways feature is activated on each spin. 

  1. Sweet Bonanza - (A Players Favorite)

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Sweet Bonanza

Sweet Bonanza is the perfect slot for all players with a sweet tooth. The game has a candy theme, the occasional fruit, and very fun gameplay. Even though Sweet Bonanza appears to be a sweet game at first, you should be aware that it's a high variance slot with a top payout of 21,500x the stake. 

The game has 6 reels and 5 rows, featuring an All Symbols Pay design. To get a win, you need to have 8 or more matching symbols anywhere on the screen. Once a win is formed, the symbols involved are removed from the screen, and new one's land on top to fill in the empty spaces. The tumbles can continue for as long as new wins are formed on the screen. 

To trigger the bonus round you need to land 4 or more scatters anywhere on the reels. You get 10 free spins and another 5 each time 3 or more scatters hit the screen. So this is where things get interesting. On each spin during the feature, you can land Bomb symbols with a multiplier attached. The multipliers can go from x2 to x100. If you get more than one bomb on the screen, the multiplier values are added together. The total multiplier is applied at the end of the spin when no more winning tumbles appear. So this is why Sweet Bonanza can produce massive payouts and why it's such a popular slot among online players today. 

  1. The Dog House (One of The Best High Roller Slots Ever)

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The Dog House

The Dog House is one of the most popular, and many players would say the most popular slot coming from Pragmatic Play. Once the original was released and got a massive number of daily players, Pragmatic decided to release a few more sequels to the game. Today we can enjoy several versions. The Dog House slots and reap the rewards they have to offer. 

This slot comes with 5 reels, 3 rows, and a total of 20 paylines. The bets can range from $0.20 to $100 per spin. 

You can land a Wild symbol on reels 2, 3, and 4 on any spin. All of the Wilds can come as a classic Wild or with an x2 or x3 win multiplier attached. When more than one wilds contribute to a win on a paylines, their values are added together. 

To trigger the feature in the game, you need to land a scatter on reels 1, 3, and 5. After that, you are taken to a separate screen with 9 wheels, and each one award from 1 to 3 free spins. So, the minimum number of spins you can get is 9, while the maximum is 27. 

Once the feature starts, all Wilds that land on the reels become Sticky Wilds and will remain in position for the entire feature. The premium symbols in the slot can land stacked on the reels, so with some luck, you can land the top Dog symbol on the first and last reels, with a bunch of Wilds in the middle. So this is how The Dog House can produce payouts of up to 6,750x the stake. 

  1. Viking Fury Spinfinity - (Best New Slot Game in 2023)

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Viking Fury Spinfinity

Viking Fury Spinfinity is a popular new slot from the Blueprint Gaming factory. As you can already guess from the name, the slot machine has a Viking theme. The visuals are on the top level, and the slot is very colorful, making it soothing to the eye. 

This game comes with 6 reels, and 5 rows and uses an All Symbols Pay design. You need to land 8 or more matching symbols anywhere in view to get a win. The bets in Viking Fury Spinfinity range from $0.20 to $20 per spin. 

The Wild symbol in the game is the Ship, replacing all other symbols on the reels. At the same time, it also acts as a Scatter symbol. Any win on the screen will cause the symbols to move right, left, up, or down. This will continue until there are no more new wins on the screen. You can trigger the Viking Fury during base play and in the free spins bonus. A random number of multipliers is added to the screen, each one ranging from x2 to x50. Once no more wins come in, the multipliers are added to the overall win. 

Once you collect 4 or more Wilds, you enter the free spins bonus. During the feature, all of the win multipliers are always active. Once the free spins are over, you get a Multiplier Guaranteed feature. You get additional free spins if you collect 4 or more Wilds during the feature. You can also buy the bonus for a price of 100x the stake. You can also buy the Ultimate Fury free spins for 350x the stake. In this feature, you get Mystery Symbols, where each new step reveals a new Mystery symbol. 

  1. Big Bass – Keeping it Reel - (Best Mobile Slot Machine )

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Big Bass

The Big Bass series is one of the most popular and most successful slot games from any software provider. Pragmatic Play did a great job with the original and kept releasing new Big Bass game versions. 

Of all the Big Bass series Big Bass – Keeping it Reel is the most popular. It comes with a great set of features and a top payout of 10,000x the stake. The game comes with 5 reels, 3 rows, and 10 active paylines. The bets can go from $0.10 to $100 per spin. 

The Wild symbol in the game is the Fisherman. It can land on all the reels during the feature and replace all other symbols. The Fish symbols are also Money symbols, and they come with a random value that can range anywhere from 1 to 1,000x the stake.

To trigger the free spin feature, you must land 3, 4, or 5 scatters anywhere on the screen. In return, you get 10, 15, and 20 free spins. During the feature, every Wild that lands on the screen will collect the money values from all the fish symbols. The money symbols that land during the rest of the spins are collected in the net on top of the reels. They are collected only when the Golden Wilds land on the screen, along with all other fish symbols on the reels.

In the feature, once you collect 4 wilds, you open the next set of free spins where all payouts are doubled in size. Collect another 4 for another 10 free spins with tripled payouts. Collecting the last 4 wilds unlocks the last set of 10 free spins, where all payouts come with a high x10 win multiplier. You can also buy the feature at any time for a price of 100x the stake. 

  1. The Hand of Midas (Best Buy Now Bonus Feature)

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The Hand of Midas

The Hand of Midas can be considered to be an improved version of The Dog House. Both games have similar features and are very fun to play. It's just a shame that the maximum payout on The Hand of Midas is 5,000x the stake. 

The game has 5 reels, 3 rows, and 20 active paylines. With bets from $0.20 to $100 per spin, the slot caters to the needs of all types of players. 

The wild symbol in The Hand of Midas can land on reels 2, 3, and 4, and can come with a random multiplier attached of x1, x2, and x3. It will replace all other symbols except the scatter. To trigger the feature, you need to land 3, 4, or 5 scatters anywhere on the reels. You are then taken to a separate screen where you get 3 mini reels for each triggering scatter. Each of them can award from 1 to 3 free spins. Once you get the number of free spins, the feature is underway. 

In the bonus, each wild that lands on the screen will remain in position for the duration of the feature. The Wilds can land as a single, double, and triple Wild, in correlation with the win multiplier. Its multiplier value is added to the meter on the right side of the reels. The maximum win multiplier you can get here is x27. So this is why The Hand of Midas can produce massive payouts in the feature. 

You can also buy the feature anytime by clicking on the Buy Bonus button. To buy the feature with 3 scatters you need to invest 100x the stake, for 4 scatters 200x the stake, and for 5 scatters 300x the stake. 

  1. Book of Dead (Top Slot Machine for Most Years)

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Book of Dead

Play'n Go has a lot of great games on offer, and the most popular for many years is undoubtedly Book of Dead. Inspired by the Novomatic classics Book of Ra and Lord of the Ocean, Book of Dead brings excellent bonus features to the modern age. 

The slot has 5 reels 3 rows and only 10 active paylines. You can also adjust the number of paylines from 1 to 10. The bets in Book of Dead range from $0.10 to $100 per spin. 

The main symbol in the game is the Book. It acts as both the Wild and the Scatter symbol. It will replace all other symbols on the screen and comes with a top payout of 200x the stake for landing 5 of them on the screen. The top-paying symbol in the game is Rich Wilde, with a top payout of 500x the stake for landing 5 of them on a payline. 

You must land 3 or more Books anywhere on the screen to trigger the feature. You are awarded 10 free spins and you can re-trigger them at any time for another 10 extra free spins. Before the feature starts, one symbol from the paytable becomes a chosen random expanding symbol. It will expand to cover the entire reel when it lands on the reels. It awards scattered payouts, meaning it doesn't have to land on adjacent reels or left to right to award a payout. The feature in the Book of Dead is known to go berserk, granting many re-triggers. 

  1. The Wish Master (Legend in Big Wins)

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The Wish Master

No list of the 10 best online slots ever would be complete without a title from NetEnt, and what better slot to choose than The Wish Master? This game is an absolute classic, with a great bonus round and the potential for massive payouts.

The slot has a total of 20 paylines, stretching over 5 reels and 3 rows. And the bets in this slot range from $0.20 to $200 per spin. 

What's unique about the game is the bonus feature. You need to land only 1 Magic Lamp on the screen to trigger it. When this happens, the genie emerges and awards one random feature. A maximum of 3 features can be active at any time, and if you get another lamp, the first awarded feature is bumped out of the way to make room for the next feature. 

Initially, you are awarded 10 free spins, and each following lamp awards another 5 free spins. The features start with a win multiplier of x2 or x3. You can get them both for a total win multiplier of x6. You can also get the Extra or Random Wilds, adding a random number of wilds on each spin. The Wild Reel feature will turn the reel it lands on into a Wild Reel for the remainder of the feature. My favorite is the Expanding Wild, which will expand all wilds to cover the reel for the entire feature. 

The trick to winning on The Wish Master is to get the correct features. The best combo would be to land the Expanding Wild, Random Wild, and an Extra Wild or Win Multiplier. This will give you the best chance to get a full screen of Wilds and massive payouts. 

  1. RIP City (Most Underrated Slot Game Online)

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RIP City

Hacksaw Gaming has been making a big splash across the gambling industry today. They have a lot of incredible slots, and RIP City is undoubtedly one of them. The game has a very powerful bonus round and the potential for payouts of 12,500 your stake. With this, it rightfully earned its place in our list of the 10 best online slots ever. 

When you first open the game, you see a 5x5 grid. There are 19 active paylines in RIP City, with bets ranging from $0.10 to $100 per spin. 

The game comes with two Wild symbols. The regular Wild can land on every reel and replace all symbols except the Cat Wild and the Scatter. The Cat Wild will expand downwards to cover the entire reel if it's part of a winning combination. If the regular wild appears under the Cat Wild, it will turn into a random multiplier, ranging from x2 to x200. If more than one multipliers are in the winning combination, their values are first added together and then added to the overall payout. 

So to trigger the feature, you need to land 4 FS scatters anywhere on the screen. Here you get 10 free spins and another 4 extra free spins for each trio of additional scatters. During the feature, you have a better chance to land the Cat Wilds and the Wilds. 

If you land 4 scatters during base play or in the free spins bonus, you instantly trigger the Super Bonus. Here you also get another 4 extra free spins each time 3 or more scatters land on the screen. In the Super Bonus, once a Cat Wild lands on a reel the reel is marked, and on each following spin, a Cat Wild is guaranteed to land on that reel. The trick here is to land Cat Wilds on as many reels as possible, preferably all 5, early on. This will give you the best chance for a massive payout, including the max one. 

You can also use the Bonus Buy feature on RIP City. For 3x the stake, you have a 5 times better chance to trigger the feature. For 20x the stake on each spin you get 2 guaranteed Cat Wilds. For 50x the stake per spin, you get guaranteed 3 Cat Wilds on each spin. To buy the regular bonus, you must invest 110x the stake; for the Super Bonus, you must invest 200x the stake.

Most of top Games Can be Played at:

VegasParadise.com, or the popular Stake Here

How we Made This Ranking & Article

All slot machines above have been played and tested by our slot experts.

The gambling specialists sites we used for making this article:

Responsiblegambling.org - Take a Safer Approach to Gambling

Responsible Online Gambling

As avid gamers, we have realized that responsible gambling isn't just a recommendation. It's a necessity.

We often underestimate the allure of online casinos - their convenience, array of games, and the thrill of possible wins. However, it's vital to remember that these platforms are designed for entertainment, not for creating a secondary income stream. Losing sight of this can lead to addiction, financial strain, and emotional distress. Sticking to your budget, not chasing losses, and taking regular breaks can make the experience enjoyable without leading to negative repercussions.

Responsible gambling ensures we maintain control over our activities, preserving the fun and excitement without letting it overshadow our lives.

Legal Gambling Age to Play Online Slots:

  • In the United States, the legal gambling age vary between 18 to 21 years, depending on the state.

  • In Canada, it depends on the province, with the legal age being either 18 or 19.

  • In New Zealand, the legal age to gamble is 20 years old for casinos and 18 for sports betting and scratch cards.

  • In the United Kingdom and Ireland, the legal gambling age is 18 years old.

  • In Norway, the legal age for gambling is 18 years.

  • In the European Union, the gambling age varies significantly from one country to another, generally ranging between 18 to 21 years old. Please note that you should always check local laws and regulations, as these can change.

Disclaimer:

The above is a sponsored post, the views expressed are those of the sponsor/author and do not represent the stand and views of Outlook Editorial.