HIGH RTP SLOTS – SLOTS WITH HIGH RTP RATES
Experienced slot players should know that one of the most important aspects of an online slot game is its RTP. Scroll down to discover the top 10 highest RTP slots in 2023. All of the slots on this page have been independently tested and vetted by the helpful team here at SlotsHawk.
What makes a high RTP online slot? As the SlotsHawk expert slots analyst, I have decided that the following point must be met in order for a slot game to be deemed a slot with high RTP:
- RTP must be over 97%.
In the table below, you can find all of the online slot machines we feel are the best and most exciting to play as well as where you can play them and specifically, their RTP. Following the table, we have written mini reviews of each of the high RTP slots where we reveal the advantages and disadvantages as well as all of the features of the highest RTP slot games.
TABLE OF THE TOP 10 HIGHEST RTP ONLINE SLOTS
SLOT GAME | RTP | WHERE TO PLAY |
Book of 99 | 99% | Casumo Casino |
Ooh Aah Dracula | 99% | Hyper Casino |
Monopoly Big Event | 99% | Monopoly Casino |
Mega Joker | 99% | Playzee Casino |
Jackpot 6000 | 98.86% | Casumo Casino |
1429 Uncharted Seas | 98.60% | Skol Casino |
The Catfather | 98.10% | Hyper Casino |
Blood Suckers | 98.00% | Luckster Casino |
Rainbow Riches Pick N Mix | 98.00% | Mr Rex Casino |
White Rabbit Megaways | 97.77% | Megaways Casino |
The average RTP of slot games is 96%. Any slot which falls between 95% and 97.99%. I would classify as having a medium range RTP. An RTP which falls below 94.99% should be classified as a low RTP slot. Whereas anything above are regarded as high RTP slots and it is these online slot machines which offer the best value.
HIGHEST RTP SLOTS IN 2023
The online slots with the highest RTP are unsurprisingly very attractive to slots players as they give a greater value for money and are less likely to wipe out a players bankroll. Read on so that we can help you to discover which are the highest return to player slots and where you can find and play the best RTP slot games for 2023.
Here is our showcase of high RTP slots:
1. BOOK OF 99 BY RELAX GAMING (RTP: 99.00%)

With a fun and inviting theme, respins, retriggers and, of course, an immensely high return to player percentage, Book of 99 takes its place as our number one slot game. Newly released in 2023, this is one of our favourite online slots of all time.
Book of 99 also comes with a max payout potential of 5,000x your stake as well as expanding wild symbols and respins. Just be aware that Book of 99 is a high variance slot, so winning spins on the reels may sometimes be few and far between.
Features:
- Free spins
- Bonus game
- Stacked wild symbols
- Scatter symbols
- Respins
- Retriggers
- Multipliers
- Mobile friendly
Play at: Casumo Casino
100% Deposit Bonus up to £100 + 20 Bonus Spins on Sahara Riches Cash Collect
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
2. OOH AAH DRACULA BY BARCREST (RTP: 99.00%)

A fun design mixed with a dramatic soundtrack with the added addition of plenty of features, its RTP ensures that Ooh Aah Dracula remains one of my favourite slots to have ever been released!
This slot is played on a 5×3 reel set and offers 10 paylines and free spins. Players also have access to WIlds and a pick and click type bonus game. High rollers get to play the high-roller option which triggers 5 spins at the given stake.
Features:
- Free spins
- Bonus game
- Stacked wild symbols
- Scatter symbols
- Autoplay
- Mobile friendly
Play at: Hyper Casino
100% Deposit Bonus up to £100
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
3. MONOPOLY BIG EVENT BY BARCREST (RTP: 99.00%)

There are many Monopoly slots but Monopoly Big Event is the one with the highest RTP. However, the catch here is that you have to play the game on Big Bet mode to qualify for this RTP.
My recommendation is to play on the normal mode first so you can get used to how the game is played. The Big Bet mode has a house edge of only 1% though, so once you get the hang of playing, you should take advantage of the low house edge high RTP feature.
Features:
- Free spins
- Bonus game
- Progressive multipliers
- Wild symbols
- Autoplay
- Mobile friendly
Play at: Monopoly Casino
Stake £10 Get 30 Free Spins on Monopoly Paradise Mansion (No Wagering Requirements)
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
4. MEGA JOKER BY NETENT (RTP: 99.00%)

In part due to its easy to use classic fruit machine style and progressive jackpot, the Mega Joker slot from NetEnt has been popular since its release in 2013. Played on 3 reels and 3 rows with 5 paylines, Mega Joker takes its inspiration from classic slot machines.
Mega Joker also attracts players thanks to its progressive jackpot.
Features:
- Bonus game
- Progressive jackpot
- Autoplay
- Mobile friendly
Play at: Playzee Casino
100% Deposit Bonus up to £300 + 100 Bonus Spins on Starburst
18+. Min deposit £20. New players only. T&C's Apply and BeGambleaware #ad
5. JACKPOT 6000 BY NETENT (RTP: 98.86%)

Another RTP slot based on a traditional slot machine, Jackpot 6000 features both the bottom and top parts of a classic fruit machine. You will find traditional slot symbols such as the lemon, a cheery and of course the joker.
This is a high volatility slot, so be careful and don’t get carried away. However, thanks to its RTP, when you do hit a win, you should expect it to be a big one!
Features:
- Bonus game
- Wild symbols
- Autoplay
- Mobile friendly
Play at: Casumo Casino
100% Deposit Bonus up to £100 + 20 Bonus Spins on Sahara Riches Cash Collect
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
6. 1429 UNCHARTED SEAS BY THUNDERKICK (RTP: 98.60%)

A slot game which showcases some of the best and most unique graphics I have ever seen, 1429 Uncharted Seas is a must play for lovers of slots and adventure themed games. Played on five reels and 25 paylines, Thunderkick put a lot of time and effort into creating this game.
Expanding wilds and a fun bonus game accompany the RTP level of this online slot. This slot is low volatility too, so it is safe for a smaller bank roll.
Features:
- Free spins
- Bonus game
- Scatter symbols
- Expanding wild symbols
- Autoplay
- Mobile friendly
Play at: Skol Casino
100% Deposit Bonus up to £100 + 100 Bonus Spins
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
7. THE CATFATHER BY PRAGMATIC PLAY (RTP: 98.10%)

If you are a cat love then this is the slot for you! This highly original slot from Pragmatic Play features a variety of cats which act as the slot symbols.
Along with the great RTP percentage this slot also features a free spins round, win multipliers and stacked wild symbols. This is a cracking game to play.
Features:
- Free spins
- Bonus game
- Multipliers
- Scatter symbols
- Wild symbols
- Autoplay
- Mobile friendly
Play at: Hyper Casino
100% Deposit Bonus up to £100
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
8. BLOOD SUCKERS BY NETENT (RTP: 98.00%)

Blood Suckers is the second vampire themed slot to make our list of the top RTP slots. This NetEnt slot features Scatters, Wilds and Bonus symbols.
Blood Suckers is a low volatility slot but comes highly recommended due to its RTP and the fun it offers players.
Features:
- Free spins
- Bonus game
- Scatter symbols
- Wild symbols
- Autoplay
- Mobile friendly
Play at: Luckster Casino
100% Deposit Bonus up to £200 + 100 Free Spins
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
9. RAINBOW RICHES PICK N MIX BY BARCREST (RTP: 98.00%)

Easily one of the most popular slots from the Rainbow Riches collection, Rainbow Riches Pick N Mix comes with an RTP of 98%. A great feature of this game is that it allows you to choose between one of three bonus features before each spin. The one you pick will featuring during your rounds.
However, to play this slot with the RTP of 98%, you must use the games Big Bet feature. Again, I recommend you to play the game and get used to the setup before you decide to utilise its Big Bet feature and take advantage of the RTP percentage.
Features:
- Free spins
- Bonus game
- Multipliers
- Scatter symbols
- Autoplay
- Mobile friendly
Play at: Mr Rex Casino
100% Deposit Bonus up to £200 + 100 Spins on Legacy of Dead
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
10. WHITE RABBIT MEGAWAYS BY BIG TIME GAMING (RTP: 97.77%)

The Megaways feature ensures that you will get 248,832 ways to win in this fantastic Megaways high RTP slot game. This slot has been inspired by Alice in Wonderland and offers truly unique and fantastic graphics.
This high RTP slot is one of our favourites and has a whole lot to offer casino players. With a whole host of special slot features, we are sure you will love this game.
Features:
- Free spins
- Bonus game
- Wild Symbols
- Cascading Reels
- Multipliers
- Scatter symbols
- Autoplay
- Mobile friendly
Play at: Megaways Casino
Stake £10 Get 30 Free Spins on Secrets of the Phoenix Megaways (No Wagering Requirements)
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
HIGH RTP SLOT MACHINES EXPLAINED

The Return To Player value of a slot game determines, in theory, the amount you can expect to lose when playing a particular slot.
You should think of RTP is a House Edge but in reverse. Here’s an example: Ooh Aah Dracula by Barcrest has an incredibly large RTP of 99.00%. The ‘house edge’ will therefore be 1% and the player will get back 99% of their wager.
Still not clear enough? Let’s have a look at a second example: Book of Dead by Play N Go has an RTP of 96.21%. This will give the house an edge of 3.79% over the player. Theoretically, the player will be returned 96.21% of what they wager.
In reality, how much you win when playing online slot machines depends just as much on luck as it does which slot you play. Just because Book of Dead has an RTP of 96.21% does not mean that for every £100 you wager you will win back £96.21. This is just a theoretical assumption. If such certainty existed, slot machines gambling would not be much fun!
RTP is a long term calculation. Furthermore, slot games use Random Number Generator (RNG) technology which ensures they are completely random.
It is useful to remember that the RTP is the opposite of the house edge. If you see a house edge of 4%, it means that the RTP is 96%. This means that the casino is making £4.00 on every £100 wagered in the long run.
MORE ONLINE SLOTS WTH HIGH RTP
In the list below, we have listed all slots with an RTP of 97% or above. All of the slot games below can be played at online casinos in the UK.
- Goblins Cave by PlayTech – 99.32%
- Dr Jekyll Goes Wild by Scientific Games – 98.20%
- Jokerizer by Yggdrasil – 98%
- Ragnarok by Genesis Gaming – 98%
- Rainbow Riches Leprechauns Gold by Barcrest – 97.75%
- Rainbow Riches Home Sweet Home by Barcrest – 97.75%
- Medusa Megaways by NextGen Gaming – 97.63%
- Toki Time by Thunderkick – 97.11%
- Goblins & Gemstones by Kalamba – 97.10%
- Tut’s Twister by Yggdrasil – 97.10%
- Jack Hammer 2 by Netent – 97.10%
- Dead or Alive 2 by NetEnt – 96.80%
- Ninja Fruits by Play N’ Go – 96.65%
HELPING YOU TO DISCOVER WHERE TO PLAY HIGH RTP SLOTS AT UK CASINOS IN 2023!
We understand that slots players are always searching for where to find the best value slots. Finding the best RTP slot machines can be a challenge which is why we hope our guide to the best RTP slots UK has helped you.
Please do not forget, a game’s RTP does not mean you are guaranteed to win a larger amount on slots with a medium or low RTP. However, it can be a good indication.
In addition, a slots payout value is also a determining factor as to finding the best value for money slot. The best payout slots give you the opportunity to win large amounts of cash, whilst the casinos with the best payout rates will allow you to cash out with all your winnings.
You can find below the UK online slot sites where you can claim slots bonuses and play the best odds slots. Here are our top picks:
PLAY THE BEST RTP SLOTS AT SLOTNITE CASINO
If you are looking for a casino which has a library full of slot games with a high RTP, then SlotsHawk can recommend Slotnite Casino.
Slotnite is one of the best online slot sites for UK slots players and features more than 2,000 of the best slots from a variety of different slot providers. Many of the Slotnite slots are known for their high return to player percentage including the ones mentioned in our list above.
Simply click the link below to begin playing at Slotnite and start enjoying some of the games on our list!
100% Deposit Bonus up to £100 + 100 Bonus Spins on Aloha Cluster Pays
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
PLAYZEE CASINO
Known for their large collection of high RTP games, Playzee casino is a great option for you.
With new slots added every week and an already large selection of slot games, their games very from RTP ranges of 90% all the way up to 99% and beyond. The best online slots can certainly be found here.
UK players enjoy Playzee casino thanks to its daily promotions and loyalty scheme.
100% Deposit Bonus up to £300 + 100 Bonus Spins on Starburst
18+. Min deposit £20. New players only. T&C's Apply and BeGambleaware #ad
HYPER CASINO
We love the online slots available at Hyper Casino and along with the fantastic welcome offer, we are sure you will too!
Along with a collection of some of the slots with highest RTP percentages, online slots players will be truly at home at Hyper.
Hyper Casino is a specialist online slot site and they are an authority when it comes to high RTP slot games. Don’t believe us? Just click on the link below to try them out for yourself!
100% Deposit Bonus up to £100
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
THE IMPORTANCE OF RTP
If you plan on playing slot for the long-run, it is advantageous to play slots that have a higher RTP. However, there are other factors that you should consider.
For example, many of the best progressive jackpot slots tend to have a lower RTP so that they are able to offer players such huge jackpots. It is also important to consider volatility/variance rates as well as hit rates as these are all likely to affect how much you win when playing a slot.
Volatility will effect how frequently you can expect to win as well as how much. Slots with low volatility are likely to payout frequently but the payouts are usually small. Whereas with high volatility, the results are the opposite – infrequent payouts but high payouts.
In addition, we always recommend to play high RTP casino games which feature bonus games and free spins rounds.
HIGH RTP ONLINE SLOTS FAQS
The slot with the highest RTP is ooh Aah Dracula by Barcrest with 99% RTP when played on Big Bet mode. However, Monopoly Big Event and Mega Joker are two other exciting slot games with RTP’s of 99%.
2. What is a good RTP percentage for slots?
A slot with an RTP above 97% we consider as a high RTP slot. If you are looking for the best value for money, you should always look to play slots which have RTP’s of above 97%.
3. Which online casino has the highest RTP slot games?
There are lots of online casinos in the UK that have a variety of different high RTP slot games. Our pick of the bunch is Hyper Casino which has a fantastic selection of high RTP casino slot machines you can play.
4. What does RTP mean?
RTP stands for return to player. This is the theoretical sum of money you will receive when you play an online slot. For example, The CatFather slot by Pragmatic Play has an RTP of 98.10%. So, for every £100 you put into the slot, you will get back £98.10. Of course this is just in theory, in reality, there is lot’s of luck involved.
5. Do high RTP slots guarantee a profit?
The short answer is no. High RTP slot do not guarantee a profit. In fact, there are no slots which guarantee profits as the RTP is always below 100%. However, the higher the RTP is, the greater the chance you have of making a profit in the long run.
6. Is it important to check a slots RTP?
This depends how important turning a profit is to you. If you are looking to win cash playing slots, then we recommend playing a slot with a high RTP.
7. How can I find a slots RTP?
All online casino’s are required to make certain information, including a slots RTP level, as accessible as possible to all players. The majority of online casinos in the UK will present this information visibly to you. However, if you cannot find a slots RTP level, you should contact the customer service team of the online casino you are playing with.
CONTRIBUTORS

Greetings, I’m Stephen Cummings
Stephen Cummings is often referred to as ‘The Oracle’. What he doesn’t know about slot games isn’t worth knowing. He’s our genius slot machine analyst who spends most of his time reviewing new games & sites.
Slots analyst since 2020