Top Online Slot Games UK

Below you will find Spin Bonus’s list of the best online slot games for UK players in December 2023. Each slot games is fully tested, regulated and fair, for a safe gaming experience!

What Slot Games Can I Play Online?

If you are looking for the best new online slot games with the best RTP (Return to Player) & bonuses or the latest slots releases, you’ll find it all here at along with the best online slots sites where you can play them. Casino Slot games are a firm favourite in the UK gambling industry and a staple game here at the best online slot site.

Behind sports betting, casino slots are, in fact, the most popular online gaming activity in the UK and we have listed hundreds of top casino slots UK players love to spin. The best online casino slot games in the UK can be found right here and we offer some of the best-rated titles. 

We are one of the leading reviewers of UK slots sites, we have reviewed 900+ online slot games and there are titles amongst our collection that will suit every kind of player, if you are seeking classic slot machine games or modern video slots with huge jackpots we have it covered. If you prefer playing small stakes or ready for high roller action, our featured slot games have all the best free spins and bonus rounds.

Some Of The Best Slot Games we have listed Include:

Who Makes the Best Online Slot Games?

The best Slot Games Are Made By

You can spin the reels on slots made by the greatest iGaming developers in the online casino and slots industry. Our providers are gambling industry-pioneers for a reason; tirelessly investing time, energy, and money into creating and testing the most innovative online gambling games to grace our screens.

How Our Casino Slots & Games Work

Slots Online are programmed with a random number generator (RNG) which creates sequences entirely at random every time a customer presses spin. The game has no memory, therefore the outcome is simply determined by the mathematical algorithm that takes place within that moment. To learn more about slots machines read our post about how online slots work.

What New Slots Can I Play?

Here at Spin Bonus, you can expect the best new online slots from the hottest gambling and game developers in our slot machine lobby. We’ve even devoted a whole section of our site to our exciting new slots so that you can effortlessly find them listed all in one place for your convenience.

Some of our latest online slot machines include Treasure Heroes from Rabcat gambling, a 5×5 reel slots game with wild clusters and bonus rounds free spins. Book of Dead is another popular new addition to our slot site, this play n go online slots game with an RTP (return to player) rate of 96.21% and has Bonus Games, Wild Symbols, Scatter Symbols, Multiplier & a gamble feature. You never know, you might just discover your new favourite UK online slot game amongst our newest offerings.

Some of the best New Online Slot Games Include:

  • Slingo Rainbow Riches: a Rainbow Riches hybrid bingo/slot game from the Barcrest & Gaming Realms gaming companies. With many bonus features, 12 pay lines and a return to player rate of 95%. Mega jackpots up to £250,000 on this unique game.
  • Game of Thrones: a Microgaming 5 reel slot with a 96.07% return to player based on the popular TV show.
  • Ted Megaways: a Megaways video slot machine with a 96.03% RTP & high volatility. This game has lots of features including autoplay, scatters, wilds & bonus amount.
  • King Kong Cash: this 5 reel slots game developed by blueprint gaming has a medium volatility with a 95.79 % payout rate, the slot machine also features sticky wilds, a free spin feature & bonus rounds.
  • Jingle Bells Power Reels: The volatility of this slot machine is very high and the payout rate/RTP is around 95.78%. the game features wild and scatter symbols and an auto spin button.
  • Piggy Riches Mega Ways: One of the best new Megaways slots with an RTP of 95.71%. is a 6 reel slots game developed by Netent with scatters, free spins and random features.
  • Sausage Party: another blueprint slot machine with medium volatility and a Payout/RTP of 95,95 %. Released in 2020 the Min bet 0.10 and Max bet 200,00 and the Maximum win 2500 X bet.

Can I Play Mobile Slot Games on Mobile?

Yes, you can play slot games on mobile and many mobile casino sites have a pay by phone casino option which means you can both play and deposit using your phone bill! You can play slot games directly from the browser on any mobile smartphone or tablet device. All the slot games we list are entirely mobile responsive and optimised with the latest gaming technology for an immersive mobile gaming experience.

Can I Win Real Money?

Yes, We are a UK based real money casino slots site, there are many ways our members can win real money by gambling on our online casino games, live casino games and slots. The opportunities for winning real cash are quite simply limitless! Our Players turn can deposit bonuses from our ongoing promotions into real money and have the opportunity to win sky-high progressive jackpot games, a huge Megaways payout, or a prize boosted by free spins & increasing multipliers on their favourite real money slots.

How Much Can I Win Playing Online Slot Games?

You can win a great deal playing a UK slot game! The desired outcome when spinning those reels is, naturally, to claim the grand jackpot. Jackpots vary from game to game. As we discussed earlier, some slot titles offer progressive jackpots, of which the value climbs higher as players place each bet. Other online slots have fixed jackpots, such as Jack in the Box’s grand cash prizes which is a whopping 600x your stake.

With cash stakes high as £250 in some games, there are many incredible opportunities for a significant max win. Progressive jackpot slots such as Mega Moolah can reach jaw-dropping values – millions of pounds in some cases and for obvious reasons are hugely appealing for many gamblers. Jackpots are won by playing an online slot using the max bet and It is usually more difficult to win the super high-value jackpots, but somebody has to claim it eventually, right? 

What Traditional Slot Machines Can I Play Online?

Our Slots site has a catalogue of over 900+ gambling titles and there are over 50 traditional slot machines available to play at Spin Bonus. Our traditional online slot machines hold much appeal for many keen gamblers thanks to their offering of simple gameplay. Our classic slot machines are some of the most well-regarded titles in the casino industry and are provided by the leading developers of real pub slots like Barcrest and Big Time Gaming.

What Video Slots Can I Play On Spin Bonus

We have so many variations of video slots online that it can be a real challenge, especially for our new players, to settle on a type of game to play. From progressive jackpots to Megaways games; slot machines with ‘cascading reels’ to ‘cluster pay’ features.

How Do I Choose The Right Slot Game To Play?

To ensure you are well-informed when it comes to the different slot game options, here is a selection of the most popular types.

Megaways Slots

Megaways offers a thrilling new twist on the traditional slot game with 5 reels and a fixed quantity of paylines. Every time the players clicks spin, the potential ways to win changes. The Megaways slot list is extensive, Some of our best Megaways slots offer up to 117,649 varying ways to win, such as the well-loved Piggy Riches Megaways, Rainbow Riches Megaways, Fishin’ Frenzy MegaWays and Reel King Megaways. If you haven’t tried a Megaways slot game yet, make it your priority!

Classic Casino Slots

In our classic slot games, you won’t find hundreds of paylines, an abundance of bonus rounds and free spins. Stick with nostalgic fruits, bars and sevens, minimalist imagery, one simple bonus game (maximum – often there will be no bonus feature) and between 1 and 5 paylines. Burning Wins: Classic 5 Lines is just one of the top classic slots we have.

Cluster Pays Slots

A highly popular example of a cluster pays slot is Aloha! Cluster Pays by gaming giants NetEnt. Our slot games offering a cluster pays feature often share the same characteristics as many regular online slots, however ‘cluster pays’ results in an interesting variation on paylines This unique cluster formation element removes the traditional side to side payline feature, resulting in you aiming for clusters of like-symbols in order to win. The exact number of symbols may vary depending on the game, but generally, the symbols are required to land adjacent to one another, forming a group.

Cascading Reels

Cascading reels – or tumbling reels – are much-loved in the online slot industry thanks to their potential for truly spectacular payouts, an abundance of free spins and bonus games. Cascading reels replace traditional spinning reels, as any symbols forming a winning combination following your spin disappear from the reels, followed by replacement symbols tumbling into their place and hence, the possibility of further winning combinations. This can create an impressive win streak for lucky our players. Cascading reels can sometimes be found in conjunction with other online slots features such as Megaways.

Jackpot Slot Games

Jackpot slots games differ from our regular slots as their jackpots aren’t fixed. Instead, they are progressive; in other words, every time you and other players wager and spin, the overall jackpot value increases. Of course, the more players, the larger the jackpot, with some progressive jackpots reaching as much as millions of pounds.

When the jackpot is won, the value defaults back to its base value and begins to increase once again as you play. The possibility of winning a life-changing sum of cash – often of much higher value than top payouts in non-progressive jackpot slots – is the main appeal of jackpot slots for many of our players.

Jackpot King Slots

Jackpot King Slots are extremely popular and huge sums of cash can be won. There are three different jackpots in one game and each one could be won on any single spin.

Are the Slot Games we Feature Fair?

The online slot games we feature are completely fair to play. The games rely on a series of complex, computerised algorithms to determine when the reels of a slot are spinning, which ultimately determines the outcome. This process in itself could be at risk of manipulations, therefore software developers use a process called the Random Number Generator to ensure fair play. This ensures the outcome is an entirely random one; and one that cannot be predicted.

A slot game has no memory, so players are not “due” a win after a series of losses and every player has the same chance of a payout as everyone else. Our slot games also have a validated RTP (Return to Player) value which is the percentage of your bet that you should expect to win back. 

UK Online Slots Regulation Safe Gambling Online

We are a reliable, safe and secure online casino and slot game reviewer and all sites and games we feature are licenced and regulated in Great Britain. We make sure that your online casino experience is first class..

Play Online Slot Games Responsibly With Safer Gambling

Drinking alcohol while you play online slots or a casino game can cloud your judgment and lead to reckless decisions when gambling with real money. If you feel you need help with your online slot and gambling activity, there is plenty of advice and support available for you and all online casino players on our responsible gambling page.

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National Gambling Helpline: Freephone 0808 8020 133

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