Explore 27 Highest RTP Video Slots in The Industry

Best slot machines to play

You have arrived at the correct place if you aim to learn what slot machines offer the highest payouts. Popular slot machines with various bonus features, high RTPs, and other distinctive aspects will be examined by KingCasinoBonus—UK’s professionals to save you some time. 

1. Ugga Bugga – 99.07% – Playtech

Ugga Bugga – 99.07% – Playtech Source: youtube.com

If you’re wondering what slot machines win the most, 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 symbols when playing the Playtech Online Casinos UK game.

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

You shouldn’t let Mega Joker’s simplistic vintage aesthetic put you off. A staggering 99% RTP and many additional features are all part of this game.

The progressive jackpot in Mega Joker may grow to enormous sums over time. Try playing the demo version to get a feel for the controls and the game.

See our special list if you are looking for casinos with some of the best NetEnt products. Some of the best casino offers will be available on one of the most played NetEnt games, Starburst

3. Ooh Aah Dracula – 99% – Scientific Games

Ooh Aah Dracula – 99% – Scientific Games Source: youtube.com

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 to entice vampire movie enthusiasts.

This product has a bonus feature that consists of 15 extra spins. These are triggered when you get three heart symbols anywhere on the reels. The game also has a pick-me bonus, allowing you to claim a cash prize.

4. Jackpot 6000 – 98.8% – NetEnt

This is another fantastic choice 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.

You must land three identical winning lines on a pay line to receive substantial winnings. You can visit the paytable to see the six symbols that make a winning combination.

5. ChessMate – 98.72% – MultiSlot

ChessMate – 98.72% – MultiSlot Source: youtube.com

Chess fans, rejoice. This slot machine was designed with you in mind. As the name implies, its subject is based on the popular mind game. However, it requires a lot less planning. After all, it’s just a conventional slot machine with five reels.

MultiSlot created the title and has simple regulations. As a result, it would be ideal for folks who dislike the stuffy rules of chess. The only big drawback is that it lacks an Autoplay capability.

6. 1429 Uncharted Seas – 98.6% – Thunderkick

It’s time to escape to a fantastical, enchanted world with the help of innovative Thunderkick. This game is a real winner with a high RTP and several bonus bonuses. A subject from marine mythology serves as its foundation. Many emblems depicting legendary creatures, such as mermaids and Krakens, may be found.

You can give it a go on any device, and the minimum bet is only 10p every spin. There are 25 winning lines in the offering. In addition, it comes with two primary extra features. You may get up to three wild reels in a single basic game spin with the Expanding Wilds feature’s first one. When the “compass scatter” symbol appears, you’ll unlock an additional bonus round that awards 10, 20, or 50 spins.

7. Classic Cinema – 98.47% – MultiSlot

Popularity ain’t everything where quality is guaranteed. Classic Cinema is highly underrated, but it is currently one of the best slot 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 exciting 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 similarly and don’t require any funds to be redeemed.

8. Marching Legions – 98.12% – Relax Gaming

Marching Legions – 98.12% – Relax Gaming Source: youtube.com

The Roman Empire is back! The layout is reminiscent of a board game themed around the Roman Empire. It offers 243 different chances to win across five reels. Whenever a winning combination is hit, the board will be invaded by an army of soldiers.

With the ‘feature buys’ option enabled, the game’s return to player percentage drops to 97.13% from 98.12%. If you’re still curious about the most lucrative slot machines, it’s a great substitute.

9. Farm Adventures – 98.11% – World Match

Ready to embark on a countryside adventure? This game has a farmland theme and ranks among the best slot machines to play at the casino. A vital aspect of this slot machine is the autoplay feature, which can play up to 1000 spins at once. It will be paused or terminated if you lose a specific amount during the autoplay session.

10. Santa 3X3 – 98.10% – 1X2 Gaming

Christmas has arrived in this holiday-inspired theme, meant to appeal to fans of the season. This popular online slot features three reels, three rows, and nine winning lines. The game has medium volatility. Its most valuable 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 Source: youtube.com

For all the cat people out there – this slot machine was made to celebrate our lovely fur companions. 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

With its wonderful dark gothic atmosphere, this slot machine shows vampires are always in vogue. With five reels and twenty-five pay lines, this vampire-themed online slot will keep players entertained. A 3x multiplier can award 10–20 more spins. Bonus cash might be yours using the Vampire Slaying feature on the site.

You’ll activate the cash bonus feature when you get three or more of the “stake and hammer” symbols anywhere on the reels. The highest payout is 1014.6 times the original wager.

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

Rainbow Riches Pick’n’Mix – 98% – Scientific Games Source: youtube.com

Somewhere over the rainbow, this incredible slot has arrived. Depending on your playing strategy, this slot machine can have a return-to-player rate between 94% and 98%. It has a Lucky Irish Leprechaun theme, allowing you to find hidden riches at the rainbow’s end.

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

The vampire fun never ends in this sequel to the popular original title that enchanted players in the UK. 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 – remember that you need a full pay line. The scatter symbol will trigger the spins round. Landing three bonus symbols will take you to an extra feature where you must choose a coffin to reveal an incentive.

15. Jokerizer – 98% – Yggdrasil

Jokerizer – 98% – Yggdrasil Source: youtube.com

Classics have become legends for a reason. 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, allowing you to continue using your winnings within this option. In this feature, two Joker symbols can grant you a Mystery Prize of between 20 and 6000 coins.

16. Nuwa – 98% – Habanero

Step up in this immersive Asian tale in this 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

Cottagecore fans will probably find a new favourite in this creative MultiSlot title. Cash Garden has five reels and 25 winning lines. You can 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 Source: youtube.com

Get lost in this immersive star-space story meant to take you to a new world. This is another excellent product for people wondering what slot machines win the most. It returns 97.7% of all bets placed in the long term, which is 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 animal-themed slot machine was released in 2017 and has taken the world by storm with its eye-catching design and lucky symbols. 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

Time to get lost in a winter wonderland with this popular MultiSlot title. 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 Source: youtube.com

This is among the best Big Time Gaming slot machines 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 with 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. Some notable features of this game are the Autoplay and bonus spin options.

23. Gold Rush – 97.5% – Rival Gaming

Gold Rush – 97.5% – Rival Gaming Source: youtube.com

If you enjoy classic slots with high RTPs, this game suits 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 a unique feature called ‘Money Collects’. With this feature, multiplier coins will be added randomly to symbols. This product also offers extra spins and multipliers.

25. Dead or Alive – 96.82% – NetEnt

This Western-inspired slot machine can be an ideal choice for slot players. The game’s maximum payout is 12.000x your bet amount, which is a reasonably good value. The graphics are also highly professional, featuring famous outlaws like Jesse James and Billy the Kid. The sound effects are also creative and immersive, returning you to that gun-duel landscape.

26. Jimi Hendrix – 96.9% – NetEnt

This popular slot focused on the legendary musician is another worthy addition to our list with high RTP games. The title boasts high-quality graphics with a psychedelic design that resembles the flower-power era. The soundtrack is also reminiscent of that age, featuring Purple Haze Foxey Lady, among many other hits.

25. Fruity Slot 81 – 96.01% – Synot Games

Fruity Slot 81 – 96.01% – Synot Games Source-synotgames.com

Classic fruit slots never get out of style. And this title, with several interactive fruit symbols, is no exception. It has 4 reels and 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 Playtech 99.07%
Mega Joker NetEnt 99%
Ooh Aah Dracula Scientific Games 99%
Jackpots 6000 NetEnt 98.8%
ChessMate MultiSlot 98.72%

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

How We Chose the Best Slots to Play

  1. We went through the lists of popular and highly-rated slots from top providers we approve of based on our years of experience.
  2. We selected a list of 153 top slot games that we filtered for the highest RTP levels.
  3. In terms of selection criteria, their special features, unique themes, and payout rates were the main aspects we considered.
  4. We didn’t include titles that are hard to find in top online casinos. We went for more accessible titles.
  5. When creating the final list, the author of this page, Antonia Catana, made sure that each title we chose brought something unique to the table, whether it was about theme, popularity, sound effects, graphics, or special features applied.
  6. Vlad Nita reviewed the selection and approved the final index created.