Best Paying Slots

You are on the hunt for the best-paying slots available at real-money online casinos? If so, look no further than this page where you will find the slot releases with the highest Return to Player (RTP) percentages on the internet. We spent hours of painstaking research to crunch all the numbers and single out the online slots that offer the lowest house edges and give you the best chances of winning. Also included are short overviews where we cover other vital aspects of the featured games, including their volatility, betting range, paylines, and jackpots.

Top 30 Best Paying Slots for the UK Market

Goblin’s Cave has attained a status of an absolute classic among online slot players and deservedly so, as it offers an exceptionally high RTP of 99.32%. Released in 2007, this classic slot ensures a straightforward gaming experience as it gives you only three reels with three rows and three paylines to win on.

Novice spinners accustomed to high-definition graphics may frown at the outdated design and visuals. Regardless, this legendary goblin-themed Playtech release deserves to be given a try as it comes with several curious twists. The symbols with the rubies are wild and award the maximum payout in the game (150x the bet).

Additionally, there is a hold feature that allows players to hold their preferred symbols in position for the next spin. The grumpy goblin with the turtle neck sitting on the left side of the reels further adds to the undying charm of this iconic Playtech release.

Designed by WGS Technology, Beat the Bank is a 25-line video slot with 5 reels that explores the popular “cops and robbers” theme. The game has little to offer in terms of visual appeal as it was released back in 2014 and its age unfortunately shows. However, it compensates for its outdated graphics and animations with a high theoretical return that surpasses 99%, which is a rarity these days.

In line with the heist theme, players can form high-value combinations with symbols containing bank vaults, surveillance cameras, diamonds, and officers of the law. There is also a special robber symbol that turns wild when appearing on the second, third, and fourth reels. Apart from substituting, the wild robber triggers 15 free spins with triple multipliers on the wins when his symbol hits the three middle reels simultaneously.

When three or more scattered vaults appear on the same spin, players enter the Beat the Bank bonus game. The goal is to find the cash hidden in either of the two vaults that appear on the screen. Your prize doubles each time you make the right pick. The selection process continues until you cannot open a vault anymore. Triggering the feature is possible both in the base game and during free spins.

Fruit-themed slots have been a major point of attraction for decades thanks to their simple, yet potentially rewarding gameplay. This is precisely what you can expect from this Spinmatic release that comes with deliciously rendered fruit symbols that dance on the five reels to the beats of groovy disco music. The retro slot has 25 fixed paylines to offer and they pay whenever matching icons align in succession from left to right.

It appears randomly anywhere, stretches to cover the reels in full, and substitutes for the other symbols. These include the familiar bars, bells, lucky sevens, cherries, plums, lemons, grapes, watermelons, and oranges. Out of those, the lucky seven provides the most value as it awards the top payout of 200 times the bet for five of a kind.

The game is mostly suitable for slot purists shaken by nostalgia for the past when fruit machines ruled the landbased casino floor. The theoretical return percentage is appetising enough at 99.08% but the gameplay tends to become repetitive and boring after a while since there are no bonus features to look forward to.

Launched by Playtech in 2013, Ugga Bugga is a classic slot with a tribal theme and a unique twist. It plays on three reels and ten rows divided into two separate blocks. Matching symbols align on ten fixed paylines, with the top win reaching 1,000 times the line bet. Another aspect that differentiates Ugga Bugga from other classic slots is the multi-spin feature, which is always active.

The multi-spin and hold features add an element of interactivity and decision-making to Ugga Bugga, which explains why this 2013 release has managed to retain its popularity to this day. There are no free spins or a bonus game to look forward to but the high theoretical return more than compensates for this omission.

Other than that, the symbols are related to the tribal theme of the game and include huts, traditional tribal masks, coconut bowls, savages, and drums. There is a wild symbol that substitutes and awards the maximum payout of 1,000 times the line bet.

Spinmatic advertises Fairy Dust Extreme as “the highest paying slot ever” and while this is a slight overstatement, the game still offers a rather decent 99.04% Return to Player. In this fantasy-themed 5×3 slot with 20 fixed win lines, players will encounter three cartoonishly rendered pixies that will help them on their way toward amassing tasty prizes. Winning combinations created with the pixies award one to three free spins, depending on the number of matches.

The sapphire fairy is capable of transforming low-value icons into wilds, and the ruby pixie turns low-paying symbols into medium-paying icons. Players can retrigger additional free spins by landing three of a kind with the respective pixie they initially unlocked the special feature with.

Apart from that, Fairy Dust Extreme is an attractive-looking, albeit cartoonish slot with low-to-medium volatility. Players can anticipate fairly frequent but smaller wins, which renders this high-paying slot a great option for spinners on a tight budget. The game is playable in any mobile or desktop browser, so do not hesitate to give it a try for free or for real money.

Relax Gaming takes players on an epic odyssey to Ancient Greece with Book of 99, a 5-reel video slot with 10 non-adjustable win lines, a lucrative free spins feature, and a symbol collection metre. The game boasts a superb design and crisply rendered characters you may remember from Greek mythology. The haunting soundtrack playing in the background gives the game an air of mystery.

Apollo, the cyclops, the oracle, and the daemon comprise the high-value symbols, while the low payers are represented by the playing card initials experienced spinners are well-familiar with. The book icon is wild. There are two ways to trigger the free spins round. You can either do it by landing three or more wilds or by collecting 99 book symbols. Players can keep track of the books they have collected via the symbol collection metre on the right side of the reels.

NetEnt launched this classic fruit-themed slot in 2011 to great acclaim, which is unsurprising considering the game offers a tasty progressive jackpot and one of the highest return percentages you can possibly hope to find in an online slot. While lacking special symbols, free spins, and pick-me bonus games, the release is not without its merits.

The joker the slot borrows its name from is extra special as it awards mystery wins between 20 and 400 coins for three-of-a-kind at the highest betting level (£10). Three matches with the chest icons reward lucky players with a fixed prize of 2,000 coins. There is also a randomly drawn progressive jackpot that drops every two days on average.

Upon loading the game, you will immediately notice there is a second 3×3 reel grid that mirrors the main one. Whenever you form a winning combination that pays less than 2,000 coins, you can either collect your prize or enter Supermetre mode for the chance to improve your payout. Winning combinations created in this special mode pay according to a separate paytable.

Ed Jones joins the ranks of Rich Wilde and John Hunter in the long series of ‘book of’ video slots with this adventure-filled release from Spinmatic. This time around, the explorer sets off for Ancient Egypt in search of the hidden treasures buried in the tomb of Bastet, a feline deity associated with pleasure and protection. Bastet statues guard the five reels where winning combinations align from left to right on the 10 fixed paylines.

Players will encounter various theme-related symbols while spinning the reels, including the eponymous explorer, ancient books, and statues of the deities Seth, Bastet, and Horus. All of these, bar the books, form winning combinations for as few as two matches. Said books are wild scatters that trigger 10 free spins whenever three or more of them hit the reels at the same time.

Risk-seeking players can make use of the gamble feature that allows them to double their wins on matching combinations by correctly guessing the colour of a playing card’s suit. It is worth mentioning there are two versions of this game – the original release has a lower RTP of 96.60%.

Based on the world’s most popular board game, Barcrest’s Monopoly Big Event plays on 20 non-adjustable paylines and is bursting at the seams with special features, including wilds, scatters, epic free spins, and progressive multipliers. The high-value symbols are represented by Pennybags and the playing tokens used in the original board game, including the cat, the Scottish terrier, the battleship, and the race car.

Additionally, there is a wild that substitutes for all symbols except those containing the slot’s logo and the prisoner. You need three logos on the first, third, and fifth reels to trigger the Big Event feature. Landing four logos triggers the feature with the House Sneak Preview, while five logos activate the Hotel Sneak Preview.

The Big Event comes with sticky wilds and randomly chosen wild reels. The prisoner symbols eliminate the current lowest-value icons from the award card. Rather than triggering the feature manually, players have the option to activate it immediately by placing larger bets of £20 or £30 that unlock progressive win multipliers, 5x ‘epic’ multipliers, or persisting wilds during their free spins.

This NetEnt release plays similarly to another suggestion on our list, Mega Joker, as it offers 3 reels with 5 fixed paylines, random mystery wins, and a supermetre. The only difference is the jackpot is fixed rather than progressive.

Winning combinations form with familiar fruit symbols like grapes, cherries, lemons, bells, wild jokers, and stars. Three of a kind give you a win and you have the option to either collect the payout or gamble it by playing a simple heads or tails game. Your wins are doubled if you pick correctly.

Another option is to enter the supermetre mode after a win, which gives you the opportunity to pocket payouts for as few as two visible wild jokers on a payline. This comes at the expense of a bet increase from ten to twenty coins per spin. Each two-of-a-kind with the wild jokers awards random mystery payouts ranging from 10 to 6,000 coins. Another thing to bear in mind is that winning combinations with the jokers do not qualify for entering the supermetre mode.

Courtesy of game publisher SmartSoft Gaming, Magic Garden 10 is a fruit-themed video slot with a modern and well-polished design. It has 5 reels with 3 rows and 10 fixed paylines where winning combinations are created with lucky sevens, bells, and various lusciously rendered fruits, including lemons, oranges, cherries, and watermelons. The game opens to a stunning blue background that reveals an enchanted garden at dusk, with a wily fox sitting to the side of the reels.

There is a scroll in front of the fox that contains different missions players must accomplish to earn win multipliers. Said missions must be completed within a preset number of spins. A risk game triggers after each win, allowing you to double the profits from your last successful spin. The four-leaf clover is a lucky symbol indeed as it turns wild and substitutes all regular icons. It sometimes also stacks on the reels.

The symbol containing the SmartSoft Gaming logo is special in that it can appear randomly on the fifth reel to transform itself and some of the other icons into wilds.

Brought to you by iSoftBet, Gold Digger Mines is among the most unconventional releases on our shortlist. This mining-themed slot plays on a 5×5 grid with 25 squares but lacks traditional spinning reels and paylines. Each square can contain either a chunk of gold or a TNT mine.

Finding a chunk of gold increases the value of the next possible payout. Clicking on a square with a TNT mine ends the round and causes players to lose their accumulated prizes. However, there is the option to cash out your profits after each successful pick. The game plays similarly to a scratchcard in a way and lacks any special symbols or bonus features.

The maximum win of 288 times the bet is underwhelming but the high theoretical return compensates for this. If you like this slot, we suggest you try the other two versions released by iSoftBet but keep in mind they yield lower return percentages. The original Gold Digger from 2020 plays on 20 paylines and features link respins, reel boosters, and wilds. There is also a Megaways rendition from 2022, which gives you 117,649 winning ways on each spin.

The renowned software studio iSoftBet delivers yet another unorthodox slot that brings together a high theoretical return percentage, unconventional gameplay, and superb graphics design. Released in early June 2022, Aztec Gold Mines is a spin-off of the hugely popular Megaways version that launched three years earlier.

This new rendition plays on a 5×5 grid, similarly to iSoftBet’s Gold Digger Mines, and incorporates the pick-and-click payout mechanic. It takes players deep into the heart of the Amazonian jungle where they must hunt for win multipliers by selecting random grids rather than by creating winning combinations the old-fashioned way.

The gaming round starts with selecting your bet amount and the number of Montezuma symbols to appear on the 25-square grid. Then you click random squares to uncover the cash prizes or Montezuma symbols hidden below.

Clicking a Montezuma icon ends the gaming round and causes you to lose the accumulated prizes. The positive is you can choose to cash out your profits after each successful pick. Your remaining picks and the maximum possible wins you can pocket during the round are displayed next to the grid. The maximum prizes per round depend on the size of your initial wager and the number of Montezuma symbols you start with.

With Thunderkick’s 1429 Uncharted Seas, players set sail toward unknown lands to discover hidden treasures. The five reels are made to resemble an intricately designed map, much like those used by mariners in the Middle Ages. We found the sound effects particularly impressive. You get to hear the creaking of the ship’s wooden floors and the splashing seawater.

The symbols are related to the nautical theme of the game and include a moon, stars, suns, mermaids, lobsters, sea turtles, and a giant squid. Out of these, the mermaid offers the most value, awarding the highest payout of 50 times the bet.

There is also a bonus symbol represented by what looks like an elaborate vintage compass. Three compasses award 10 free spins but this number jumps to 20 and 50 rounds at no cost when you land four or five bonus symbols. Additional free spins are awarded whenever the scattered compass reappears during the special feature. The expanding wild ship will assist you in scoring more wins during free spins.

SmartSoft Gaming takes players on a pursuit for some handsome rewards with its eerie release Moonstone, a 5-reel slot that gives them as many as 243 winning ways per single spin. The game is set in what appears to be a spooky graveyard, with the five reels rotating against a massive tombstone interspersed with runes and drawings of snakes. A shadowy figure with a horned skull mask and a burning staff is sitting on the right side of the grid.

The symbols are in perfect keeping with the eerie theme and so are the creepy sound effects you can hear in the background. Winning combinations form with horned skull masks, white flowers, owls, poisonous mushrooms, mandrill monkeys, venomous spiders and snakes, bottles of potion, and enchanted crystals. The bonus symbol is the top payer here and returns 250 times the winning bet for five of a kind. There is also a poisonous green wild that serves its usual purpose and stacks on the three middle reels.

Moonstone lacks conventional paylines and incorporates the rolling reels mechanic instead, allowing for multiple consecutive wins. The symbols that form winning combinations disappear from the reels and make way for new icons to roll into their places.

Pragmatic Play’s The Catfather stands out from the crowd with an original and quirky theme that sees players joining a feline gang of mobsters in their criminal ventures. Each mischievous kitty has its own distinctive character and style of apparel. The decadent backdrop is perfectly complemented by the upbeat music playing in the background.

The feisty cat bosses pay in both directions as long as three matching symbols appear anywhere on a payline. The developers have included a Wild Night feature whereby fully expanded wilds appear randomly on the three middle reels. The wild symbol with the two black cats peeking out of a cardboard box also pays the maximum individual prize in The Catfather, amounting to £25,000 at the highest betting level. It substitutes for all symbols except the scatter with the tied-up mouse, which pays in any position and kicks off the round of free spins.

Delivered by Stakelogic, Hero Clash spreads across 5 reels, each with 3 symbols. This superhero-themed game uses the ways-to-win payout mechanic and is capable of producing up to 243 winning combinations per single spin. Identical symbols in any position on three or more neighbouring reels award payouts from left to right without having to align on specific paylines.

Each of the four heroes you will encounter on the reels has a distinctive superpower to assist players in collecting larger payouts during free spins. Slade awards random cluster 2×2 wilds on the free spins. Charger gives you sticky wilds with 1x to 5x multipliers in the middle of the reels, while Hot Shots adds one to eight sticky wilds on each free spin. Finally, there is Sonic Boom who can fill up to three entire reels with wilds.

Three or more bonus scatters complete the current stage in the metre and unlock 12 free spins with the respective hero’s superpower. The Super Stake mode doubles your bets and improves your odds of landing valuable winning combinations and triggering the bonus features.

Fa Cai Shen Deluxe is the upgraded spin-off of Habanero’s original release of the same name that gives you 6 reels with 5 rows to play on. The revamped version does away with the traditional paylines and instead, awards wins whenever three or more matching symbols align vertically or horizontally on the same spin. Winning combinations can intersect and overlap on the same rows and columns, allowing for multiple payouts within a single round.

The game vibrates with colour and is bursting with beautifully rendered symbols containing dragons, koi fish, rings, and Feng Shui coins. A cartoonish Chinese man dressed in a hanfu is bowing to players on the right side of the six reels. The Chinese man is wild and can expand to cover three positions on the grid.

At the start of the bonus round, between 3 and 24 high-value symbols transform into the same random icon to boost players’ chances of pocketing bigger payouts. This partially compensates for the fact that retriggering more bonus rounds is impossible. The wild Chinese man will appear in two positions on each free spin but never on adjacent reels.

There is no shortage of excitement in this high-paying Relax Gaming release that boasts an asymmetrical variable reel grid and a Wild West theme. Players embark on various adventures like prison breaks and train robberies, accompanied by several outlaws that help them amass huge winnings along the way.

Players collect four different bonus symbols on the three middle reels to earn various game improvements and unlock additional positions on the top and bottom of the variable grid. The free spins feature kicks off after players have collected all bonus symbols and plays on an enhanced reel set with extra wilds.

Speaking of wilds, the red-haired girl acts as a substitution symbol when appearing on the second, third, and fourth reels. The bonus symbols also turn wild during the free spins round, doubling all wins they help create with a 2x multiplier.

The Gunslinger bonus feature activates at the completion of each of the four bonus collection cycles and awards an instant cash prize of 5x the total bet. Impatient players are granted the option to buy their way into the free spins round at the expense of 50 times their base-game bet.

Designed by Yggdrasil, Jokerizer is an exciting high-volatility slot spread across 5 reels with 3 symbols each and 10 non-adjustable win lines. Half of those pay from left to right, while the other half pay from right to left. This 2016 release ensures a world-class spinning experience thanks to its expertly rendered graphics, fluid animations, and intuitive gameplay. The fruit-themed game lacks in the special-features department as it offers neither free spins, nor bonus games.

Another peculiarity here is that any payline win unlocks the special Jokerizer mode where you need only two scattered jokers to pocket mystery wins. Spinners have the option to either collect their respective payouts or play the special mode at the cost of 20 coins per round. The Jokerizer mode gets deactivated after any mystery win that equals or exceeds 1,000 coins. Keep in mind the theoretical return of the game reaches 98% only on condition you always take advantage of the Jokerizer mode.

Money Cart is yet another expertly designed frontier-theme video slot created by Relax Gaming. The gameplay commences on a 5×4 grid but opening one new column on each side of the reels is possible. This means you are playing with 7 columns and 4 rows when the game unleashes its full potential.

Three masked outlaws appear on the reels during the respins to enhance players’ winning potential. The Widener outlaw adds an extra reel, the Collector racks up all visible win values and adds them to its own value, and the Payer adds its own win value to all other visible win values. There are also Persistent Collector and Persistent Payer symbols during the feature, which serve the same purpose as the regular Payers and Collectors at the end of every respin.

Relax Gaming followed up the immense success of the original Money Cart by releasing a sequel in the summer of 2021. The theme, payout mechanic, and gameplay in this spin-off largely coincide with those in the original. However, the sequel has a slightly lower hit frequency of 10% and a smaller betting range, with maximum wagers reaching £200 rather than £500.

The setting is similar as well, only this time you have a Payer, Sniper, Collector, and Necromancer to help you during the respin feature. You again need three bonus symbols to unlock three respins, with the option to retrigger more respins by landing more bonus icons during the feature.

Two different bonus symbols can appear on the reels, the first one being the Silver Bonus which reveals win values ranging from 1 to 10 coins. The Gold Bonus serves the same function but its win values are enhanced to 20 to 200 coins. The newly included Sniper symbol doubles the values of 3 to 8 bonus symbols, while the Necromancer brings 2 to 7 already used non-persistent bonus icons to life. The Reset Plus icon is another novelty unique to the sequel – it contains coin values and boosts the initial number of respins left by one.

NetEnt’s Blood Suckers is a must-try for all reel spinners keen on the popular vampire genre. The game is set on a standard 5×3 reel grid with 25 fixed paylines and transports players to the creepy tomb of the eponymous blood suckers. You better prep up your vampire slaying kit if you want to prevail against these supernatural creatures.

The regular symbols are all in keeping with the vampiric theme and include garlic cloves, bibles, crossbows, bottles of holy water, succubuses, and an aristocratic vampire, among others. The icon with the vampire preparing to bite a beautiful damsel is wild and substitutes for all symbols bar the scattered vampire bride and the bonus symbol with the stake and hammer.

NetEnt released the game over a decade ago, so the graphics look a little outdated. Nonetheless, Blood Suckers has retained its broad market appeal thanks to the proliferation of special features it offers. Of course, the game’s above-average return percentage also contributes to its undying popularity.

The innovators from Big Time Gaming bring Lewis Carroll’s classic fantasy novel to life with White Rabbit, a Megaways slot inspired by Alice’s adventures down the rabbit hole. The slot is expertly crafted with great attention to detail and resonates with a wide adult audience of reel spinners. The base game gives you 16,807 winning ways but this number increases to 248,832 ways during free spins when the reels expand to their maximum capacity.

Another merit of trying this release is the plethora of special features White Rabbit is packed with. Apart from the free spins, players will benefit from up to 4 bonus wilds added randomly to the reels by the hookah-smoking caterpillar.

As is typical for high-volatility slots, the free spins trigger infrequently which may annoy impatient players. Taking advantage of the Feature Drop is an option in this case as it automatically unlocks the free spins at the cost of 100 times your base stake.

Pragmatic Play gives you a taste of the classic slot machine experience with 888 Gold, a 3-reel game with 5 adjustable paylines, and a top win of 6,000 coins. The game is simplistic in nature but comes with a stylish design dominated by brilliant red and gold colours in keeping with its Chinese theme. In Chinese culture, the colour red is associated with prosperity, while 8 is considered the luckiest of all numbers.

This lucky number will bring you some good fortune as you spin away since 8 is wild here and substitutes for all other symbols. It is also the highest-value symbol in the game and awards five different prizes, depending on which payline it hits. A three-of-a-kind with the 8s on the first, second, third, or fourth payline awards prizes of 1,000, 2,000, 3,000, and 4,000 coins, respectively.

The other symbols include lucky feng shui coins, Chinese lanterns, and triple, double, and single bars. The coins offer the most value, awarding payouts of 200 credits. All winning combinations consist of three matching symbols on an active payline. There is the option to activate the turbo spin mode by holding the space button on your keyboard to play at a faster pace.

Microgaming’s Retro Reels Extreme Heat is a blend of classic and modern slots that spreads across 5 reels, 3 rows, and 30 fixed win lines. It borrows its symbols from classic fruit machines as winning combinations form with flaming hot bars, lucky sevens, lemons, and cherries. However, the developers have given the game a few tweaks to render it more appealing for fans of modern video slots.

Retro Reels Extreme Heat is equipped with wilds for substitution and scatters that trigger a flaming free spins feature with a fixed jackpot of 440,000 coins. Landing three, four, or five scatters results in 10, 15, and 20 free spins, respectively. All wins generated during the free rounds are doubled with 2x multipliers, which further adds to the game’s appeal.

The respin feature is central to the gameplay since it increases one’s chances of winning. Players have the option to respin individual reels at the end of each round after placing additional wagers.

It is worth mentioning the theoretical return reaches its maximum of 97.50% only on condition you play the respin optimally on every round in the base game (the feature gets deactivated during free spins). Otherwise, the payback rate drops to an average of 96.66%.

Released over a decade ago, Reel Gems has stood the test of time thanks to its higher-than-average return percentage, proliferation of special features, and mouth-watering jackpot amounting to 120,000 credits. The game gives you as many as 243 ways to win on each spin and pays whenever three or more alike symbols appear from left to right on adjacent reels.

As you can tell from the title, the slot is built around a gem theme and sparkling precious stones of different colours are precisely what you will find here. Playing cards 9 through ace award the low-value winning combinations. The five rotating reels are set against a blue velvet background that complements the luxurious feel of the game.

Similarly to Retro Reels Extreme Heat, Reel Gems is equipped with a respin feature that enables you to respin individual reels as many times as you wish for the chance of completing more wins. This comes at the expense of placing an additional bet whose size depends on the odds of completing a winning combination with the respin.

Purist spinners can relive the glory days of the buzzing fruit machines with Microgaming’s Couch Potato. The developers have gone full retro with this release, delivering a classic game with 3 reels and a single payline stretching across their centre. Fans of old-school slots can spin away from as little as £0.25 per round. There is little in the way of sounds, animations, and visuals but the developers have compensated by boosting the payback rate to 97.43%.

The slot differs from other classic releases in terms of theme as it is built around a lazy potato. You can see it slouching lazily next to the reel on an old couch with a remote control in hand. The couch potato also acts as a substitution symbol and quintuples the payouts from all winning combinations it helps create. Two wild potatoes in a winning combo will boost your profits with a 25x multiplier.

The couch potato offers yet another merit as it is the highest payer in the game, awarding 15,000 coins for three-of-a-kind at the highest betting level with the maximum of three coins in action. The other payers in this classic slot include orange, blue, and white lucky sevens, cherries, and several types of bar symbols.

Big Bad Wolf Christmas Special is a spin-off of Quickspin’s original release of the same name. Both the original slot and its sequel borrow their themes from the popular fable that relates the story of three little piggies who built their houses of three different materials. The 2013 original garnered widespread acclaim, so much so that Quickspin decided to revamp it and released a Christmas edition in 2020 just in time for the festive season.

The upgraded version plays similarly to the original in terms of payout mechanics but the setting is different. Set against a snow-covered field, the reels are framed by mistletoe and festively sparkling Christmas lights that are guaranteed to cheer you up.

The three little pigs have also been given a makeover. One piggie is sucking on a candy cane, while the other two are holding a spoon and a gingerbread cookie. Every second consecutive win transforms one of the three piggies into a wild symbol. The game uses the Swooping Reels mechanic that activates after a winning combination. The matching symbols disappear and new icons drop into their places.

Gold Train is a classic slot by Pragmatic Play that plays on a 3×3 reel grid and offers above-average theoretical return. Players who hop on board this choo-choo train can anticipate maximum payouts equal to 166 times the bet. The game pays homage to the past with various old-school symbols like bells, lucky sevens, and single, double, and triple bars.

Also included are several train-related icons like a conductor hat, signalling flags, and tickets. Apart from the wild steam train, there is a scattered silver ticket that activates a progressive bonus feature with random cash prizes contained in train carriages.

The progressive bonus feature gives players something to look forward to and can generously reward those who manage to collect more golden tickets. Gold Train is hardly the best Pragmatic Play release out there but it still deserves to be given a spin or two due to its above-average payback percentage.

Best Paying Online Slots FAQs

Why does the theoretical return of online slots matter?

The theoretical return is worth considering since it reflects how much money a specific online slot will pay back to players in the long run. The higher the percentage is, the more money a game will return in the form of payouts over time. To give you an example, a slot with a 98.50% RTP will pay back £98.50 for every £100 players wager in the long term, while the remaining £1.50 (1.50%) will end up in the online casino’s coffers.

Where can I check the return percentages of online slots?

Some slot designers include the return percentages in the paytables or help sections of their games but this is not necessarily always the case. If the RTP is unavailable there, you can consult the website of the software company or browse our slot reviews as we always publish this information. Another option is to check the site of your chosen UK-friendly online casino. The UK Gambling Commission requires all licensed operators to disclose this information and consistently monitor the RTP performance of their games.

Is there a relation between the payback percentages and the house edge?

The payback percentage and the house edge are basically the two sides of one and the same coin. You can easily calculate the casino advantage a given slot yields by subtracting the advertised return percentage from 100. For instance, Playtech’s Ugga Bugga has an RTP of 99.07% and yields a house edge of 0.93% (100 – 99.07%).

Do high payback percentages guarantee huge wins?

Not necessarily. The published payback percentages are measured over a significant number of spins. Hundreds of thousands of spins are required for the games to draw close to their advertised return. A high RTP does not guarantee you will land enormous payouts within a gaming session or two. You can win far more or far less than the advertised percentage in the short term.

Which slot suppliers offer the highest return percentages on average?

We have played and reviewed hundreds of online slots in our lifetime and have noticed that software companies like Microgaming, Spinmatic, NetEnt, and Pragmatic Play offer some of the highest return percentages on average. In theory, this means players will win back more money per wager in the games crafted by these suppliers due to the lower house edges.

Can the same slot offer different payback percentages?

Yes, the slots designed by certain software companies come with variable theoretical return, allowing licensed casino operators to pick from different payback rates. One example is Hero Clash by Stakelogic. It offers six different return settings, with the percentages ranging from 87.99% to 98.10%.

Is there a difference between volatility and theoretical return?

Yes, there is. Volatility is separate from theoretical return and reflects how frequently a given online slot is likely to award payouts. Low-volatility games produce frequent but lower payouts. The opposite is true for high-volatility slots where players can anticipate tastier but infrequent prizes. Two slots can share the same return percentage while having different volatility levels.

What other factors can influence the theoretical return of online slots?

Sometimes buying your way into the bonus features can impact a game’s return percentage in the long term, and not necessarily in your favour. Such is the case in White Rabbit by Big Time Gaming where consistently taking advantage of the Feature Drop takes away approximately half a percent from the game’s RTP.

Are the best-paying slots on your list random?

The best-paying slots the members of our team have handpicked are designed by reputable software companies that either carry licences from the UKGC or have picked up RNG certificates issued by accredited testing agencies approved by the regulator. All their games are provably fair and produce fully random outcomes in line with the watchdog’s requirements.

What is the average theoretical return of most online slots?

While the exact percentages will vary depending on which game you play, most online slots return roughly between 94% and 96% of all money wagered in the long run. By rule of thumb, games with progressive jackpots yield lower theoretical return to account for the jackpot contribution of players’ bets and the jackpot seeds. Our slot reviewers went above and beyond to compile the list published at the beginning of this page where all included games have higher-than-average RTP that exceeds 97%.