Whilst many people decide which slot to play based on the theme, special features or promotional offers, the savvy gamblers steer towards slots with the highest RTP. The house edge of online slot machines can vary widely, and it stands to reason that the lower the house edge, the better your chances of winning.

Thunderstrike slot games are developed with an RTP rate of 96.6% and a hit frequency of 24.7%. The high volatility slot offers an impressive window of chance to land winnings, which makes it all the more popular among players. Solstice Celebration slot review While many slot machine games incorporate neat artwork or flashy settings, the Solstice Celebration slot offers a refreshingly cute environment with light, sunny gameplay to warm players’ hearts.

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.

#10 Jack Hammer 2 (NetEnt) – 97.1% RTP

Jack Hammer 2 is the first of many NetEnt slots to make this top 10 list. This entertaining slot has a crime and adventure theme, captured in a comic book style. There are an impressive 99 bet lines in this game, providing plenty of opportunities to win. It also boasts a variety of interesting features that make the game exciting to play, whilst creating chances to win. The Sticky Win feature sees any winning symbol combinations held in place for a free re-spin, and they continue until no new wins are created. There is also a free spin feature, where you get up to 20 free plays, where all wins are doubled and extra wilds randomly land on the reels. Jack Hammer 2 has a player-friendly RTP of 97.1%

#9 Simsalabim (NetEnt) – 97.5% RTP

This magical themed slot recreates all the excitement of a magic show. The stage is set, with symbols such as a magician’s wand and top hat, a caged dove and a Houdini-style chained chest. The hypnotist is wild, helping to complete winning symbol combinations. When you play Simsalabim, keep your eyes peeled for 3 bunny rabbit symbols on the first 3 reels. These trigger the bonus game, where you pull rabbits from the hats to reveal cash prizes of up to 50500 coins. The slot also features a free spins round, which provides the potential for big wins thanks to the triple payouts. All these features combine to provide a great RTP of 97.5%.

#8 Retro Reels Extreme Heat (Microgaming) – 97.5% RTP

The RTP of 97.5% is one of the highest you will find in the Microgaming slots selection.Retro Reels Extreme Heat has an old-school feel, with symbols you’d expect to see on a classic fruit machine, including cherries, lemons, bells, bars and 7’s. At the same time as providing a retro feel, it includes many features which you’d expect from a modern video slot. There is a free spin bonus, where you can get up to 20 free plays with all wins doubled. There are also wild substitutions and scatter pays. A highlight is the innovative re-spin feature. After any spin, you can choose to spin just one reel, which allows increased chances of winning.

#7 Devil’s Delight (NetEnt) – 97.6% RTP

Unleash your inner devil in this NetEnt video slot. Set against a fiery backdrop and tombstones, the 5 reels are filled with symbols from the underworld.Devil’s Delight is packed full of exciting features that provide plenty of chances to stack up the wins. The devil wild expands to cover entire reels. Whilst the free spins bonus features win multipliers of up to x5. Yet the real highlight of the game is the unique Soul Reaper bonus game. Match the correct sin to each character their soul will be added to the Soul-O-Meter whilst you reap a coin prize. When the Soul-O-Meter is filled with 15 souls, the Sin Spins feature is activated. Here, you get 10 Sin Spins where you can pocket some juicy rewards. With so many cool features and a high RTP of 97.6%, this is one hell of a slot!

#6 Kings of Chicago (NetEnt) – 97.8% RTP

Kings of Chicago mixes the best elements of a video slot with classic poker. The game is played with a deck of cards, which is shuffled before each round. Unlike normal slot machines, where payouts are made for matching symbols across paylines, in this slot, you win if you have a poker hand on one of the five paylines. The game includes a joker, which substitutes for all cards. Plus, the scatter label can randomly appear on any card. Get 3 or more and free deals, the equivalent of free spins are triggered. You can bag up to 30 free deals in the special feature and all wins are doubled. This innovative slot machine provides a unique twist on what you expect from a video slot, and boasts an impressive RTP of 97.8%.

#5 Starmania (NextGen) – 97.87% RTP

With colourful star symbols set against a pretty outer space background and a spacey, ethereal soundtrack, this NextGen slot is a real treat for the senses. Wilds are stacked onto the reels boosting your shot at winning combinations. There is also a free games feature, where extra stacked wilds can help create some big wins. The game features 10 paylines and wins are paid in both directions. With every line win, you also have the option to gamble your prize, for a chance to double or even quadruple your win multiple times. The great graphics, exciting features and favourable RTP of 97.87% make Starmania a real hit with players.

#4 Blood Suckers (NetEnt) – 98% RTP

The vampire genre has never been more popular, and it is the inspiration for this spooky NetEnt slot. You’ll see various Blood Suckers adorning the reels, along with the weapons to fight them off. It is not merely the impressive 98% RTP that draws players to this slot, but also the rich selection of special features. There are wild substitutions, scatter pays, free spins with triple payouts and a vampire slaying bonus game. Trigger the bonus and you will find yourself in an ancient burial chamber, filled with coffins. Open the coffins to slay vampires, earning coin wins with each creature you defeat.

#3 1429 Uncharted Seas (Thunderkick) – 98.6% RTP

This video slot from Thunderkick is visually stunning. The reels are replaced with a medieval style hand-drawn map and the symbols include a variety of sea creatures and beasts as well as sun, moon and star symbols. The slot includes a wild symbol which expands to cover entire reels, helping to create bigger wins. There is also a free spins bonus where you can earn up to 50 free goes. 1429 Unchartered Seas has a rewarding RTP of 98.6%, one of the highest you will find in a video slot, making it a popular choice with players.

#2 Jackpot 6000 (NetEnt) – Up to 98.8% RTP

Jackpot 6000 is a thrilling classic slot machine from NetEnt with a real old-school vibe. You can play with up to 5 paylines active, betting between 1 and 10 coins per spin. It is highly recommended to play with the maximum bet of 10 coins however, as this creates the possibility of triggering Supermeter mode. In this game mode, you can win a mystery prize of between 10 – 6000 coins when just 2 joker symbols land anywhere on the reels. Also, getting 3 jokers on a payline in Supermeter mode guarantees a jackpot payout of 6000 coins. When you play Jackpot 6000 with 1 – 8 coins, the RTP is a paltry 74.9% – 79.2%. Yet with 10 coins in play, the RTP ranges from 95.1% – 98.8%. The variance is because Supermeter mode is skill based, so you can directly impact the outcome.

#1 Mega Joker (NetEnt) – Up to 99% RTP

Whilst Jackpot 6000 boasts an extremely high RTP, it is just beaten to the top spot by another NetEnt classic slot; Mega Joker. Bet with just 1 coin and the RTP is an underwhelming 76.9%. Yet on the other hand, a max bet of 10 coins elevates the RTP to between 89.1% – 99%. Furthermore, it provides bigger payouts and the Supermeter mode. In Supermeter mode, you need to choose the bet level and the optimum level at which to collect your winnings. It is this element of skill which can increase the RTP. The skill component, retro style and engaging gameplay make Mega Joker a firm favourite with players.

Frequently Asked Questions

Because our goal is to keep you well informed we have put together a list of the most frequently asked questions and our team of experts has provided the answers below.

🏆 What are the best paying slots?

The best paying slots are the ones that feature a high RTP because that translates to a small house edge such as NetEnt’s Jack Hammer 2 slot or Simsalabim, with a return to player percentage of over 97%.

✍ How do I choose a good slot machine?

In choosing a good slot machine a player should look for high payouts, volatility and the features of the game itself. For example, you are bound to have a higher return on your investment while playing a slot with free spins and multipliers.

💱 What is the average payout on slot machines?

The average payout on slot machine varies among slots but you are going to find a higher return-to-player percentage in the recommended online casinos as compared to the traditional slot machines. Blood Suckers slot and 1429 Uncharted Seas slot have a very high RTP of over 98%.

🎰 What is a high variance slot machine?

High variance slots are destined for gamblers who are willing to play for huge wins.Kings of Chicago is a great example in that direction because it features not only a high RTP but also a high variance, which makes it ideal for our example. Flexible betting limits, free spins and a unique twist on slots as we know them are just a few perks of enjoying this title.

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Triple Diamond slot machine represents a creation of the famous IGT software developing company, which was released back in 2014. This title comes in the form of a retro-style game, specially dedicated to the players who are into classic online slots. Both Triple Double Double diamond slot machine free play will make you feel like you are sitting behind an actual land-based slot device, although you will still be at the comfort of your home, sitting on your chair!

Triple Double Diamond Slot Review

IGT’s Triple Diamond slot is played across a reel set that comes in the form of a standard 5×3 grid, constructed out of three reels collocated into the same number of horizontal rows. This retro-designed reel grid contains an overall number of nine potentially active betting lines. And 'potentially active' means that you can determine by will how many lines do you want to mark as active at the beginning of each and every new round. The number of active paylines per spin can go anywhere between the minimum of one and a maximum of nine. The free Triple Diamond slot introduces a beautiful theme, with detailed, high-definition graphics, and life-like design, which provides an excellent first impression. It belongs to the category of classic video slots and, with its symbol designs (bars and 7’s), preserves the memory of early slot machines. The reels are placed in such a way to occupy the central position of the screen, as well as most of the screen itself, which provides great visibility.

The only two control buttons are placed at each side of the reel grid, blending just perfectly into the design. You can monitor parameters such as your balance, total bet amount and the amount of the won payout through the box below the reels. Everything is neat, manageable with ease. The game comes with the theoretical long-term return to player percentage of slightly over 95%. It belongs to the category of slots with medium to lower volatility, which implies that payouts are smaller in quantity but tend to occur more often.

International Gaming Technology

When it comes to the IGT provider, it represents one of the leading companies specialized in the development and production of multiple kinds of casino software, including a palette of games (slots, table games, video poker, card games, etc.), gaming platforms, land-based slot machines, lottery and sports betting software, etc.

Besides Triple and Double Diamonds free play slot machines, the company stands behind popular online video slots, such as the Cleopatra series of slots, Da Vinci Diamonds, Wheel of Fortune, Coyote Moon, or the Siberian Storm, which comes with the progressive jackpot! In the following parts of this Triple Diamond slots review, all features, options, rules, as well as the symbols and their payouts will be concisely overviewed.

How to Play Triple Diamond?

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Playing Triple Diamond slot machine is not a big deal, while the rules don’t differ from the standard ones. The main goal of the game is to land a combination of more than two identical symbols, and they need to be placed on the same exact paying line, starting from the leftmost reel, to the right. Since this is a game with three reels, this would mean that you must cover the entire line with symbols to score a payout, unlike in 5-reeled ones. The exception is a symbol illustrated as the logo of the game, which awards payouts even when you manage to land a single one!

The controls of the game are pretty simple and very manageable. The green button on the left opens a menu, through which you get to adjust several parameters, such as the number of active paying lines per round, then the amount of your stake per one such line, and you can monitor the amount of your total wager as you adjust the bet per line. The yellow button located to the left of the grid starts the reels in motion. In the top right corner of the screen, you can see a small button with two white arrows. Clicking on it, a falling menu will present you three options: 'Home', 'Game Rule' and 'Paytable'. And that’s about all you need to know when it comes to Triple Diamond slots controls!

Triple Diamond Symbols & Payouts

The Triple Diamond online casino slot machine comes with an overall number of six symbols. Among them, five are ordinary, while the sixth comes with certain special functions, which makes it distinctive. Unfortunately, the game-play of the Triple Diamond slot includes no special symbols such as the scatter or the bonus icon. So, you can’t rely on a wild to substitute other symbols, or on the scatter to bring you payouts regarding the position on the grid or a certain number of free spins. This game is purely based on the random number generator, and that’s what makes it so thrilling!

When it comes to symbols, you can expect to come across five regular ones and one special icon in addition to them. Four of the regular icons are illustrated as various bars, while the fifth comes in the form of the lucky number seven. Bars come in following shapes and sizes: triple bar, double bar, and the regular bar. To score a payout with these symbols, you would have to land three of them in a combination, placed on a single active line. Triple bar combination pays 40x, double bar 20x, and the regular bar combination pays 10x. If you manage to land three bar symbols of any type, landed on the identical line, you will be awarded 5x the amount of your stake per line!

The only special symbol of the free slots Triple Diamond is illustrated to resemble the logo of the game and it, in fact, represents the wild. It has the ability to replace other symbols when forming a potentially awarding combination. It also carries the largest (jackpot) payout of the Triple Diamond casino slot online. If you manage to land a combination constructed out of three of these symbols on the same active line, you will be awarded a generous payoff amount that occupies the value of 1199 times your bet per line! Any two of these symbols will pay 10x, while any one of them pays 2x the value of your wager per one line. In the first case, the combination contains two special symbols and any other icon, while in the second case, two of them are of any type, and the third is the special one.

But that’s not all when it comes to the so called triple double diamond slots or just Triple Diamond special symbol! According to the rules of the game, any 3-symbol line win that contains one special symbol will pay 3x bet per line. If you manage to create a winning combination of three symbols, among which two are special ones, you will receive a payoff worth 9x your wager per line.
All wins displayed in the box below the reels are shown in the currency you are playing with.

Betting Options

By clicking the green button located to the right of the reel set, you will enter a menu dedicated to betting options. Once there, through buttons labelled with + and -, you get to adjust two parameters that will affect the amount of your overall wager per a single round. The first parameter concerns the number of active paying lines you wish to add to the next spin. This number can occupy the values between the minimum of 1 and a maximum of 9.

The second parameter is labelled as 'LINE BET'. This value can range between a minimum of 25 and a maximum of 500. There are several bet line values to choose from, including the minimum of 25, then there is 30, then 50, 100, 200, 300, and a maximum of 500 in credits. You get to play the Triple Diamond slot for as little as £0.1 per spin.

The total bet amount depends on these two parameters. It can easily be calculated by multiplying the number of active paying lines with the amount of your stake per a single active line. It occupies the values from the minimum of 25 (with a single active line and the minimum line bet) up to the maximum of 4500 (all nine lines active, line bet set to the maximum).

Additional Rules

The winning combination achieved in the Triple Diamond free slots must contain at least three symbols of the same type, and they must be located on the identical activated paying line. The combination counts starting from the leftmost, up to the rightmost position on the active line. If there is the appearance of more than one combination on the grid, only the one with the highest value will be converted into a payout. Combination values displayed in the paytable are being multiplied with the number of coins you have staked on a single active payline. All wins displayed at the end of a successful spin are shown in the currency you have chosen to play with.

How to Win in Triple Diamond?

There are several things you can follow in order to increase your chances to score any of the Triple Diamond slot machine wins. The first of all, which does not consider the game-play so much, regards to dividing your funds in a proper way. If you instantly go big, without spending a few rounds on getting familiar with the game itself, you risk going bankrupt very fast. So, spend your money wisely, and even better, play a couple of demo rounds of the free Triple Diamond slots before starting your real money game-play. The vast majority of online casino operators allows you to access this title through demo mode.

When playing the game, you should get familiar with betting options first. It’s important to understand that increasing the number of paylines increases the chances of creating a winning combination as well, although the amount of your total wager per round also rises. With slots, you must stake a sum to win a sum. If you are chasing for that magnanimous 1199x-line-bet jackpot payoff, then it is recommended to keep all nine lines active and wait for the combination of three Triple Diamond wild tokens to appear.

While on the run for the generous jackpot prize, potentially worth 270000 credits, you should keep an eye on bar combinations as well, while they will be filling up your account balance with smaller, yet more frequent sums of money, which will keep you alive for a greater number of rounds.

And last, but not the least, especially if you are not an experienced slot player, it is recommended to play several demo rounds of the Triple Diamond free slot, in order to get familiar with the controls, rules, and payouts. Preparation is the key to success!

When it comes to the game’s payout range, the minimum amount you can be awarded occupies the value of 2x line bet (a single wild in a 3-symbol winning combination). Then the payouts grow from 5 and 10x, over 20, 40 and 100x, all up to the maximum worth of 1199x line bet, taken by the non-progressive Triple Diamond jackpot prize!

Demo & Real Money

The game comes both as the real money version and as the free Triple Diamonds slot. And both demo mode and real money mode are available at the majority of online casino operators that offer games developed by the IGT software provider.

Demo mode is purely played with fictional money, credits, while in the other mode, wins and bet amounts are only displayed in credits. Those credits are later converted into the currency you have selected to play with, and added to your account balance in case of a win, or deducted from it when you are placing your chosen bet.

Triple Diamond Mobile Slot

The free Triple Diamond slot comes as a mobile version as well. This version comes in two forms, as a downloadable one, and as the instant-play one. For the first, you would have to download and install a game or casino app, while the second can be reached directly through the web browsing app of your chosen device, with the help of the Adobe Flash player extension. The mobile version of the Triple Diamond slot machine is perfectly compatible with portable devices such as smartphones and tablets, that are powered by software system platforms developed by Apple (iOS, MacOS), Google (Android) or Windows (Mobile). Since the mobile version is HTML5-based, the above-mentioned possibility of instant-play is achievable. When it comes to the game-play of the Triple Diamond mobile slot, it does not differ from the one dedicated to PC gaming. The rules and controls are the same as well. The game is designed in such a manner to perfectly fit all screen sizes and resolutions, for the best possible gaming experience!

Conclusion

If you are a player in search of a true classic, retro-styled online slot machine, then look no more because both Triple and Double Diamond slots from IGT will provide you with exactly what you desire! A 3×3 reel grid with up to 9 paylines, an amazing design that resembles a genuine land-based slot, classic symbols, such as bars and the number 7 will turn you back to the ‘80s. And the absence of bonus features, leaving only the wild symbol to help you on your path towards the jackpot payout, only makes the game-play more exciting! So, wait no more, and if you want to make sure that this is the game for you, play a demo round or two before starting to experience the thrill of Triple Diamond slot in real money mode!

📌 Who produced the game and how many reels and paylines does it include?

The game was produced by the International Gaming Technology (better known as IGT), and it introduces a 3×3 reel grid.

📌 What is the minimum required bet for participating?

To play the Triple Diamond slot machine for real money, you must deposit at least £0.1 per spin. Playing the game in demo mode requires no charges.

📌 What is the maximum payout I can win by playing Triple Diamond slot?

The maximum (jackpot) payout occupies the value of 1199x line bet. If you are playing with all nine lines active and with the maximum bet per line of 225 credits, the jackpot would be around 270000 credits.

📌 Can I play the game on my mobile phone or tablet?

Yes, Triple Diamonds casino slot online is playable on all smartphones or tablets that are based on software systems such as the Android, iOS or Windows Mobile.

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📌 How to increase my chances of winning?

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Playing a couple of demo rounds to get to know the game-play, as well as choosing a casino with generous welcome offers that will increase your funds, could affect the chance of you winning. All you need to care about is dividing your money, so you can avoid losing it in just a couple of spins.