Top 25 best slot machines to play

Oliver Keegan

Casino expert

Best slot machines to play

If you want to find out what slot machines win the most, you’ve reached the right page! We will look at popular slot machines with high RTPs, multiple bonus features and other unique elements.

The return to player percentage is one of the key aspects you should consider when choosing the best slots machine to play at the casino. This refers to the funds returned to players in the long run. This article will explore the best slot machines to play for every British player.

Let’s dive in!

1. Ugga Bugga – 99.07% – Playtech

Ugga Bugga – 99.07% – Playtech

If you’re wondering what slot machines win the most, then you should check out this game. Ugga Bugga is a cartoon-like slot machine developed by Playtech, one of the leading software providers in the industry. The slot was released in 2013 and featured ten rows with three symbols on each row. You can improve your winning odds by selecting your own symbols when playing the game in Playtech online casinos UK.

The game doesn’t have a bonus feature, but its high RTP rate is enough to draw many players. Moreover, it lacks a jackpot. Still, you will have the opportunity to win up to 1000 times your wager.

2. Mega Joker – 99% – NetEnt

Mega Joker has a simple retro outlook, but this shouldn’t fool you into overlooking the game. This title has a whopping 99% RTP, and it incorporates multiple bonus features.

Mega Joker has a progressive jackpot, which typically rises to very high amounts. You can choose to play this title in demo mode as you learn its rules.

3. Ooh Aah Dracula – 99% – Scientific Games

Ooh Aah Dracula – 99% – Scientific Games

Ooh Aah Dracula was released in 2015 and featured five reels and ten winning lines. This online slot has a Dracula theme, featuring cartoon-like elements.

This product has a bonus feature that consists of 15 extra spins. These are triggered when you get three hearts symbols anywhere on the reels. There is also a pick-me bonus in the game, which allows you to claim a cash prize.

4. Jackpot 6000 – 98.8% – NetEnt

This is another great game for punters who wonder what slot machines win the most. It has a traditional design and will give you a somewhat nostalgic feeling. Moreover, it has low betting limits, meaning that it would be suitable for cautious gamblers.

To receive substantial winnings, you will have to land three identical winning lines on a payline. You can visit the paytable to see the six symbols that make a winning combination.

5. ChessMate – 98.72% – MultiSlot

ChessMate – 98.72% – MultiSlot

This is one of the best slot machines to play if you’re a chess enthusiast. As the name suggests, its theme focuses on the popular mind game. Yet, it involves a lot less strategy. After all, it is a regular slot with five reels.

The title was developed by MultiSlot and featured straightforward rules. Therefore, it would be suitable for people who don’t like the stuffy rules of chess. The only major issue is that it doesn’t have an Autoplay function.

6. 1429 Uncharted Seas – 98.6% – Thunderkick

This game offers a high RTP and several bonus features. It is based on a maritime mythological theme. Thus, you will spot many symbols representing mythological creatures, such as Krakens and mermaids.

You can try it out on all devices, starting from as low as 10p per spin. The product has 25 winning lines. Moreover, it has two main bonus features. The first one is the Expanding Wilds feature, which will give you up to three wild reels per base game spin. The other bonus feature will give you 10, 20, or 50 extra spins, triggered by the ‘compass scatter’ symbol.

7. Classic Cinema – 98.47% – MultiSlot

Classic Cinema is highly underrated, but it is currently one of the best slots machines to play at the casino. It offers three rows, and it has 25 ways of winning.

The slot has two bonus features, and these come in the form of extra spins and wild symbols. An interesting aspect of these bonus spins is that they can be re-triggered unlimited times. The bonus rounds inside a game are similar to the no deposit spins you receive upon registration. They work in the same way and don’t require any funds to be redeemed.

8. Marching Legions – 98.12% – Relax Gaming

Marching Legions – 98.12% – Relax Gaming

This game has an ancient Roman theme, and its layout is similar to a board game. It provides five reels and 243 ways of winning. Whenever you hit a winning combination, an army of soldiers will invade the board. 

Although the game has a return to player percentage of 98.12%, this can go down to 97.13% when the ‘feature buys’ option is activated. Still, it is a great alternative for those wondering what slots machines win the most.

9. Farm Adventures – 98.11% – World Match

This game has a farmland theme, and it ranks among the best slots machine to play at the casino. A key aspect of this slot machine is the autoplay feature, which can play up to 1000 spins at once. If you lose a specific amount during the autoplay session, it will be paused or terminated.

10. Santa 3X3 – 98.10% – 1X2 Gaming

This popular online slot features three reels, three rows, and nine winning lines. The game has medium volatility. Its most useful feature is the Increasing Multipliers. On this slot, you can win up to 500 times your wager.

11. The Catfather – 98.10% – Pragmatic Play

The Catfather – 98.10% – Pragmatic Play

As its title suggests, this slot machine has a mobster and cat theme. It features five reels and nine winning lines. Moreover, slots from Pragmatic Play work great at mobile casinos due to their high-resolution graphics and impressive illustrations.

A key feature is the bonus spins option, which allows you to claim up to 50 extra spins with an impressive 4x multiplier. The maximum win in this slot machine is 2251 times your wager, which is fairly high.

12. Blood Suckers – 98% – NetEnt

This online slot has a vampire theme and features five reels and 25 winning lines. You can get 10 to 20 extra spins with a 3x multiplier. The site also has a Vampire Slaying bonus that will grant you cash bonuses.

You can trigger the cash bonus feature by landing three or more ‘stake and hammer’ symbols on the reels. The maximum win is 1014.6 times your initial bet.

13. Rainbow Riches Pick’n’Mix – 98% – Scientific Games

Rainbow Riches Pick’n’Mix – 98% – Scientific Games

Depending on your playing strategy, this slot machine can have a return to player rate of between 94% and 98%. It has a Lucky Irish Leprechaun theme, and it allows you to find hidden riches at the end of the rainbow.

Gamblers can pick the features they want to play within this game. You can also trigger these features more frequently with the Big Bet option.

14. Blood Suckers II – 97% – NetEnt

This too has 25 pay lines, like Blood Suckers I, and the minimum stake starts at £0.25 up to a maximum of £250.  

The family crest symbol can trigger the game jackpot of 10000 coins – keep in mind that you need to have a full payline. The scatter symbol will trigger the spins round. Landing three bonus symbols will take you to an extra feature where you have to choose a coffin to reveal an incentive.

15. Jokerizer – 98% – Yggdrasil

Jokerizer – 98% – Yggdrasil

If you enjoy classic fruit machines, this is one of the best slot machines to play. While Jokerizer has a classic theme, it has been modernised with HD graphics and impressive animations.

After each winning spin, you will activate the Jokerizer mode, which will allow you to continue using your winnings within this option. Two Joker symbols can grant you a Mystery Prize of between 20 and 6000 coins in this feature.

16. Nuwa – 98% – Habanero

This is a very impressive Chinese-themed slot. It is centred on a legendary Chinese story, where Nuwa is the mother goddess. This online slot has several smaller progressive jackpots, and you can also win 2000 times your stake.

17. Cash Garden – 98% – MultiSlot

Cash Garden has five reels and 25 winning lines. You will be allowed to wager up to five coins on each of these winning lines. This slot has a bonus spins feature, which allows you to claim between 5 and 25 spins. The exact number of complimentary spins will depend on the number of scatter symbols you get.

18. Starmania – 97.87% – Nextgen

Starmania – 97.87% – Nextgen

This is another great product for people wondering what slot machines win the most. It returns 97.7% of all bets placed in the long-term, which is quite advantageous to players.

This gaming product has been designed with five reels, three rows and ten winning lines. Since this slow allows players to win both ways, the winning combinations can be left or right.

19. Kitty Cash – 97.86% – 1X2 Gaming

This is an animal-themed slot machine that was released in 2017. It has a standard grid with five reels and three rows, and its top prize is 27000 credits. Suppose three or more scatter symbols appear on the grid. In this case, you will receive a specific number of extra spins.

20. Merry Christmas – 97.8% – MultiSlot

This game ranks among the most popular slot machines from MultiSlot. It has 25 winning lines, and you can play as many or as few as you like. The theme focuses on Christmas, and all the symbols on the reels are related to this festive period.

21. White Rabbit Megaways – 97.77% – Big Time Gaming

White Rabbit Megaways – 97.77% – Big Time Gaming

This is among the best slot machines to play for punters who enjoy medium volatility and high RTP games. The story of Alice in Wonderland inspired the theme of the game. As a Megaways slot machine, it has 16807 ways of winning. It features a five-reel arrangement and has two to three symbols on each reel.

22. Lucky Dragon Boat – 97.56% – Genesis Gaming

This online slot offers five reels, three rows, and 50 winning lines. It has an ancient Asian theme, but its layout and design are quite basic. However, its high RTP and low volatility make it one of the best slot machines to play. Some notable features of this game are the Autoplay and bonus spins options.

23. Gold Rush – 97.5% – Rival Gaming

Gold Rush – 97.5% – Rival Gaming

If you enjoy classic slots with high RTPs, then this is the game for you! Gold Rush features only three reels and has a simple yet high-resolution design. It will take you back to the 19th-century craze over California gold. The title also has a wide betting range, with limits starting from  £0.10 and increasing to £100.

24. Cowboy Gold – 96.5% – Pragmatic Play

This is among the best slot machines to play at the casino if you enjoy Wild West themes. It displays five reels and ten fixed winning lines.

The game has medium to high variance, and it has a special feature known as ‘Money Collects’. With this feature, multiplier coins will be added randomly to symbols. This product also offers extra spins and multipliers.

25. Fruity Slot 81 – 96.01% – Synot Games

Fruity Slot 81 – 96.01% – Synot Games

This is a fruit slot machine that has four reels. It was developed with a Mystery symbol, a Wild symbol, and a Double Wild symbol. The game has 81 standard winning lines, and its gameplay is quite simple. Last but not least, it comes with low to medium volatility.

What slot machines win the most?

Game Provider RTP

Ugga Bugga



Mega Joker



Ooh Aah Dracula

Scientific Games


Jackpots 6000






The RTP rate is one of the essential aspects you should consider when selecting online slots. These games will give you the best payout percentages. Aside from the RTP, you should check the game’s volatility, as well as its available bonus features.