Jackpot Slots UK

Winning a jackpot is the high point of casino gaming, and a plethora of slots ensures that you always have a good selection to choose from. Online jackpot slot machine games often have impressive intrinsic features and offer higher payouts than typical slots.

There are games with immersive and atmospheric themes, others that are exciting and story-driven, and the value of the pots vary from one game to another. A jackpot slot is typically won by landing specific jackpot symbols, or the highest paying symbols of a game on the reels. There are several different kinds of jackpot slots available out there –some have fixed payouts, while others have progressive and increasing pots.`

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What are jackpot slots?

As briefly touched on above, jackpot slots are those that include a jackpot element in their list of features, meaning that they are some of the most profitable and desirable around. Depending on the game, monstrously big paydays are possible if your luck is in. Even if the bigger wins are decidedly rare, smaller payouts are still possible giving players something to aim for with every spin.

Most online slots with jackpots will fall under one of the two following categories:

Fixed jackpots

Also known as non-progressive jackpots, as the name suggests fixed jackpots pay out at a set amount and no external factor will affect this. If, for example, landing three types of a specific symbol will boost your stake by 5,000x then that will be the case whether you win it on a single or consecutive spins.

The main benefit to this type of jackpot games is that you know how much you stand to win if you do manage to get one of the big prizes.

Progressive jackpots

Progressive jackpots are seen as the holy grail to casino players due to their incredible win potential. Here, the jackpot amount is determined by other players; each time a punter spins the reels and does not win the prize pot grows. This can often get to huge amounts, especially in the case of networked progressive jackpots, where multiple casinos contribute to the fund.

Listed on this page you will find some of the most enjoyable jackpot slots around and we have full, detailed reviews on each so you can know what to expect before you play with your own cash; this includes the jackpot type and the bet limits which can make a big difference to the prize on offer.

Given the appetite for big wins from players, most casino sites will have a whole section dedicated to jackpot games, with titles from each of the biggest providers.

These are three of the most popular jackpot games to look out for:

Mega Moolah Jackpot

Mega Moolah casino game

Progressive jackpots are the standout feature when it comes to online slots and Mega Moolah is a classic of the genre that holds the world record for a jackpot payout of over US$13 million! The game is incredibly popular, for the simple reason that the pot regularly inflates to such high amounts.

Even if your chances of landing such a life-changing win are small, the slot is packed with timeless features and an enticing free spins round.

Given the reputation of this Microgaming release, you will not have difficulty finding a suitable place to play. LeoVegas is one of the finest online casinos for UK players to enjoy Mega Moolah and if you are a new registration then you will also have access to a generous welcome bonus to get you started.

Divine Fortune

If you have done any amount of your own research into the subject of progressive jackpot slots then it is almost certain that you will have come across Divine Fortune. Released in 2017 by industry giants NetEnt, the game boasts three jackpots – including a progressive one – meaning that huge wins are possible.

On top of this, Divine Fortune features memorable graphics and symbols with a sequel, Divine Fortune Megaways, released in 2020. 888 Casino is one of the highest-rated online casinos at Slotsia, and has both of these titles available.

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Irish Luck Jackpot

There is something delightfully reassuring about seeing an Irish-themed slot at an online casino. Maybe it is the presence of the predictable but heartwarming attempts to reimagine the Emerald Isle through the medium of cartoon. Or, perhaps it is the fact that you know that you’ll have an easy-playing slot to fall back on should you run out of patience as you look through the extensive array of slots on display.

Either way, Irish Luck Jackpot, released in 2017 by Eyecon, ticks all the boxes with a leprechaun, rainbow and shamrock all on show across the reels. Pleasingly, the slot features a progressive element and is also available at Casushi as part of a networked prize fund.

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How to play progressive jackpot slots

High roller slots image

Fixed jackpots generally pay out more frequently and randomly with any bet amount, but Progressive jackpot slots work differently. You will need to wager on all the paylines to stand a chance of winning the jackpot. The higher the coin values wagered, the better the chances of winning the highest payout. Wagering low coin values will also stand a chance of winning a jackpot as long as you bet on all the paylines. Of course, the latter situation will earn a lower jackpot payout; nevertheless, it is always going to be a tidy sum! Playing with minimum coin values on a progressive jackpot slot is less favourable, and the probabilities of winning big go hand in hand with how much you are willing to stake.

The average payouts of progressives are lower than fixed jackpot slots, but the excitement levels increase, and the anticipation of winning a high payout is always there. With amazing features and multiple themes, Slotsia’s jackpot slots deliver on every front. If you want to experience an exciting roller coaster casino ride, all you need to do is sign up at a Slotsia top-rated casino and start playing your favourite progressive jackpot slot game right now. The thrills and excitement of playing one of our online jackpot slots are unique and incomparable to any other casino.

How do progressive slots work?

The system used with progressive jackpots is that each time a player places a wager the pot inflates. As players continually bet on the game the pot increases to incredibly high amounts, sometimes running into millions. Once the pot is claimed, it is reset to a base amount, and steadily starts to climb once again. The process keeps repeating itself. The longer the pot lies unclaimed, the higher it rises.

Most progressive slot games run across all mobile platforms, including iOS and Android. The mobile jackpot experience is every bit as good as on a PC. All the thrills and excitement are there, and the potential winnings can rival lottery payouts. Progressive jackpot games filter a tiny percentage of each bet which goes into the pot. These type of slot games serve up the best chance of winning a life-changing payout.

PlayOJO, a Slotsia recommended casino, has plenty of progressives for you to peruse with some tantalising jackpots.

Other things to consider

The headline jackpot amount, particularly when it is in the tens of thousands, is always going to be one of the things that piques your interest, but it is wise to consider other factors that may affect your likelihood of a big payday on any given slot.


Standing for ‘Return to Player’, RTP refers to the mathematical probability of a player winning back their stake over a period of playing. This is, of course, a percentage taken over many spins, so some players will win, others will lose and this is just an indicator.

The majority of slots have an RTP of between 94% and 97%.


Volatility refers to how often a slot game pays out. Low volatility points towards a title that pays regularly but with smaller amounts; higher means larger payouts less frequently, and medium is somewhere between the two. Depending on your play style and budget, it is important to take this into account when playing jackpot games.

Below are some of the finest jackpot slots around – take a look to see which is worth trying next!