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UK10 Best RTP Slots to Play Online
The best RTP slots give you a higher chance of winning in the long run when compared to others.
Although there are a number of factors to take into consideration when choosing a slot machine, the “return-to-player” rating is arguably the most important.
Below are five of the best slots with high RTP ratings and can be played at the best online casinos.
| Rank | Slot | RTP | Where to Play |
|---|---|---|---|
| 1 | Ugga Bugga | 99.07% | Hell Spin Casino |
| 2 | Book of 99 | 99% | Slots Palace |
| 3 | Blood Suckers | 98% | TrustDice |
| 4 | Mermaid’s Pearls | 97.80% | Las Vegas USA |
| 5 | Good Girl Bad Girl | 97.79% | DuckyLuck Casino |
| 6 | Gypsy Rose | 97.63% | SlotsandCasino |
| 7 | Megasaur | 97.5% | Uptown Aces |
| 8 | Lucky Lady’s Clover | 97.31% | Super Slots |
| 9 | Greedy Goblins | 97.2% | Wild Casino |
| 10 | Mega Moolah | 96% | TonyBet |
1. Ugga Bugga
Ugga Bugga by Playtech boasts 99.07% RTP, which is the highest among all the slots I’ve ever reviewed. This means the house edge is just 0.93%, making it one of the most player-friendly games online.
The top prize pays 1,000x your bet line, so with the $50 max bet, you could pocket $50,000 on a single spin. And even if you don’t, you won’t feel bad as you’ve had a great time playing this slot. The Hawaiian tiki theme, expandable wilds, and warrior scatter keep things fun.
Keep in mind that being a Playtech-powered slot, Ugga Bugga is only available in countries like Australia and Canada. If you’re from those places, you can play this game at Hell Spin Casino.
If you’re from America, don’t worry, we have another 99% RTP slot for you – Book of 99%
2. Book of 99%
As its name suggests, Book of 99 by Relax Gaming comes with a 99% RTP, making it one of the most rewarding slots around. On top of that, it has a top prize of 12,075x your stake.
Given that the maximum bet at best online casinos like Slots Palace is set to $100, you could land over $1.2 million in a single spin. But it’s not just about big wins – this slot is super fun to play.
The comic book-style graphics give Greek mythology a fresh twist, and the smooth gameplay keeps things engaging. So, if you’re ready to give it a spin, head over to Slots Palace and try Book of 99.
3. Blood Suckers
Last, but certainly not least, we have the Blood Suckers slot machine. Not only is this one of the best RTP slots, but it also has a rather terrifying theme. If you’re into Halloween slots, I’d recommend giving this one a try. The most appealing part of this slot machine is its incredibly high 98% RTP rating. You’ll have a very hard time finding a slot machine that comes close to this one. It’s another older slot (2013 release), but it’s still one of the top games to play online.
In addition to an astonishingly high RTP rating, Blood Suckers also has a maximum win worth over 1,000x, wilds, free spins, and more. You can play on desktop, or your Android or iOS devices. Although it has the highest RTP out of any slot machine on this list, there is a downside.
The downside is that it’s not available in the United States, China, France, and other countries. If you are lucky enough to access TrustDice from your location, this is certainly one of the best online slots with the highest RTP ratings.
4. Mermaid’s Pearls
Realtime Gaming (RTG) has been a trusted name in online casinos since the 1990s, with games regularly tested for fairness by independent auditors. Plus, Realtime Gaming-powered games are famous for eye-catching visuals and exciting features.
They aren’t, however, known for high return to player (RTP) percentages, but there are a couple of exceptions. Mermaid’s Pearls is definitely one of those. This slot stands out with a top RTP setting of 97.80%, which is the highest of all RTG titles.
Like all Realtime Gaming games, it comes with three RTP settings, and whether the highest one is active depends on the casino. That’s why we recommend playing Mermaid’s Pearls at trusted casinos like Las Vegas USA.
5. Good Girl Bad Girl
Good Girl Bad Girl is one of the top options if you’re looking for the best RTP slot games. This game has a great design and the 97.79% rating is one of the highest on my list. It also has five reels, 15 paylines, and I’d also consider it to be one of the best adult slot machines.
You can choose to play in three different ways. “Good Mode” offers a low-risk gambling experience with smaller, but more frequent wins. “Bad Mode” is the opposite, with higher payouts and less frequent wins, and the reels also pay from right-to-left. The other option is to play with both modes, which is the best choice of the three. You get twice the amount of coins per payline and the paylines go both ways. Good Girl Bad Girl also has a double up feature, wilds, and great bonuses. The design is a little older, which isn’t a surprise since it came out in 2013.
Nonetheless, it’s still one of the top options when it comes to the best online slots with a high RTP. Not only does DuckyLuck Casino have one of the best RTP slot machines, but they are also one of the top casinos online. Read more about their 500% welcome bonus with our DuckyLuck review, or head straight there to play Good Girl Bad Girl now!
6. Gypsy Rose
Gypsy Rose has been one of the best RTP slots for nearly a decade. This game was released in January of 2015 with an RTP rating of 97.63%. Lots of other slot machines have come out since then, but the vast majority of them have lower RTP ratings. This Betsoft product has five reels and 30 paylines, as well as a medium volatility score. Wild symbols only appear on the first and fifth reels, which substitute for all other symbols except the Crytal Ball.
The Crystal Ball only appears on the third reel and triggers a special feature when one of the Magic Symbols is adjacent to it. These Magic Symbols include the Love Potion, Magic Book, Gypsy, and Crow, each of which has a unique feature. You can win free spins, instant wins, extra wilds, re-spins, and bonus rounds depending on which symbol you get.
If you’re looking to play the best RTP online slots, you’ll be able to find this one at SlotsandCasino. They have a generous welcome bonus at 500%, which you can read more about with our SlotsandCasino review. Head over to their site to play tons of incredible slot machines, including Gypsy Rose!
7. Megasaur
You’re going to love this Realtime Gaming slot if you’re into big dinosaurs and even bigger wins. Its visuals are top-notch, and the game comes with plenty of exciting features, but what really sets it apart is its money-making potential.
The RTP of this game is 97.5%, which is pretty high. What makes it even more exciting is the progressive jackpot, which is something most other Realtime Gaming slots don’t have.
At the time of writing, the jackpot was somewhere in the ballpark of $1 million at Uptown Aces. That casino is where you should go if you wish to give this slot a try.
8. Lucky Lady’s Clover
Looking for the best RTP online slots with a more modern design? If so, Lucky Lady’s Clover is certainly one to consider. It came out a little more recently than the previous three slot machines, as it was released in April of 2016. Updated graphics are just one of the many reasons to play Lucky Lady’s Clover.
For starters, it’s one of the best RTP slot machines with a 97.31% rating. It also has five reels and nine adjustable paylines. This BGaming product also features a scatter symbol, wild symbol, and gamble round. Three or more scatter symbols trigger 15 free spins with tripled winnings. The wild symbol substitutes for any other except scatters, and doubles the amount you win. You have the chance to gamble your winnings as well. The gamble round has you choose either a card color or suite and pays depending on what you choose.
In addition to being one of the best return-to-player slots, Lucky Lady’s Clover also has a maximum multiplier worth up to 10,000x. That’s especially interesting because the odds of finding a four-leaf clover are one in 10,000. If you are ready to play Lucky Lady’s Clover, head over to Super Slots!
9. Greedy Goblins
My list of the best RTP slot games continues with Greedy Goblins. Greedy Goblins is a slot machine with five reels and 30 paylines. It has an RTP rating of 97.2%, which makes it one of the highest ranking slots online. This slot also has high volatility, satisfying sound effects, well-drawn symbols, and more.
The coin drop feature collects coins when two or more appear anywhere on the reels. The coin symbols are replaced by new ones, giving you extra chances to win. You also earn additional wins by collecting the coins.
Greedy Goblins also has sticky wild reels, which can trigger up to three re-spins. There are also free spins, which are triggered when you land three or more of the Elfania symbols. Earn up to 25 free spins, and certain symbols into 10x multipliers during them. The double up feature gives you the opportunity to risk your winnings for twice the amount.
Wild Casino is home to many of the best slots with good RTP ratings, including Greedy Goblins. Our Wild Casino review can tell you more about their 250% welcome bonus (up to $5,000) and other features, or you can head straight there to play Greedy Goblins now!
10. Mega Moolah
Mega Moolah is a game that made Microgaming one of the most famous casino software developers ever. This slot’s RTP of 96% isn’t the highest among the slots we reviewed, but its jackpot potential more than makes up for it. While many slots offer similar or better RTP, few can compete with this game’s record-breaking jackpots.
Mega Moolah holds the Guinness record for the biggest online slot payout ever – in 2015, a lucky British soldier won £13.2M (over $20M) on a 25-penny bet.
This slot’s progressive jackpot often sits well above the $1 million mark. That alone earns it a spot on our list. If you’re playing from Canada, you can take a shot at this legendary jackpot at TonyBet.
If you’re from the US, you might wanna look for other progressive jackpot slots, such as RTG’s Megasaur, which I reviewed earlier in this post.
Best Return-to-Player Slots to Play Online
The RTP rating is arguably the most important for any slot machine. It’s no wonder that you came looking for the best RTP slots. You are expected to win more in the long run playing these slots than any other, and they still offer bonuses, free spins, and other great features. Blood Suckers has the highest rating at 98%, but it’s not available in the US.
If you’re located in the US, my top recommendation is Lucky Lady’s Clover and you can play it at Super Slots. It has a 97.31% RTP and a maximum multiplier of 10,000x. Truth be told, any of these slot machines are worthy of your time. If one of the others stood out more to you, by all means, play that one instead.
You can even give them all a try since the sites they are at all have generous welcome bonuses. Winning more in the long run is one thing, while winning big is another. If you want harder-hitting slot machines, check out the top 10 big win slots.
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