Slots With 99% RTP

RTP: 95.01 to 99%
Volatility: Medium
Max Win: 1500x
Released: 2015
Provider: WMS Gaming
RTP: 99.07%
Volatility: Low
Max Win: 1000x
Released: 2016
Provider: Playtech
RTP: 94.5% to 99.32%
Volatility: Medium
Max Win: 150x
Released: 2012
Provider: Playtech
RTP: 99%
Volatility: High
Max Win: 5000x
Released: 2021
Provider: Relax Gaming
RTP: 99%
Volatility: High
Max Win: 2000x
Released: 2013
Provider: NetEnt
RTP: 96% - 99%
Volatility: Medium
Max Win: 2000x
Released: 2015
Provider: Barcrest
RTP: 96% - 99%
Volatility: Low to medium
Max Win: 5,000x
Released: 2015
Provider: Barcrest
RTP: 99.07%
Volatility: Low
Max Win: 1000x
Released: 2013
Provider: Playtech

Find the best 99% RTP slots listed and reviewed on this page! These slots are super hard to come by; only a few exist. So when you see one, spin it right away!

In theory, slots that offer 99% RTP and up are programmed to give back to players 99% or more of their total wagers calculated over a period of time. In this article, we will discuss the top slots with 99% RTP and why they are so popular among players.

What is 99% RTP in Slots?

A 99% RTP in slots means the game has been programmed to pay back 99% of the total wagered amount over a period of time. Therefore, in theory, every $100 you bet will fetch you $99.

It is important to remember that RTP is an average, calculated over a long period of time and across many players. It should not be considered a guarantee of what each individual player might experience.

Top 8 Slots with 99% RTP

Goblin’s Cave (Playtech): Up to 99.32% RTP

Goblin’s Cave slot

Get deep into the lair of a ghoulish cave, crazy riches await: that’s the spooky theme of Playtech’s Golbin’s Cave – a classic 3 reel, 3 payline game, which is considered the highest RTP slot ever!

It offers an impressive 99.32% RTP, which means players will theoretically get back $99.32 for every $100 they bet in the long run. However, the game isn’t unique only because of its super low house edge, but also because of its multi-spin mechanics and skill-based gameplay.

Its Hold symbol is a novel addition. With each bet, you get 2 spins of the reels and you can pick which symbols to hold for a chance to win more of the goblin’s gold. Goblin’s Cave also offers a simple pick-and-win bonus game for instant cash prizes.

The game does not have an autoplay option, as each spin requires player decisions. The symbols and payouts follow the goblin theme and include treasures from the cave such as ruby red wilds, gem-encrusted golden crowns, and rings

A wide betting range makes Goblin’s Cave an ideal game for high as well as low rollers. Playtech. Its volatility is low to medium, so you can look forward to small and mid-sized winnings every now and then.

On the flip side, the RTP of this slot increases to up to 99.32% only when you bet the maximum coins. With the betting range being wide, this is an inconvenience. Also, the slot lacks Free Spins, which might not go down well with a lot of players.

Another downside is the max win potential of 150x the stake, which is extremely low. And then, the slot isn’t even mobile-friendly!

The graphics don’t do justice to the theme and seem like the results of a fund-hungry project handed down to newbies. The soundtrack is terrible, to say the least, and eerie in a bad way.

Long story short, Goblin’s Cave by Playtech might seem like the crowd-puller because of its high RTP. But it’s more of an outdated slot that needs to be significantly improved to be counted in the league of modern-day slots.

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Ugga Bugga (Playtech): 99.07% RTP

ugga bugga slot

Another high RTP slot by Playtech, Ugga Bugga carries 3 reels and 10 paylines and offers an RTP of 99.07%. It means, for every $100 you bet, you will theoretically receive $99.07 in the long run when you play this slot.

In its backdrop is a dense African jungle and on its reels are all the symbols typical of African tribes – the warriors, masks, bongo drums, djembe, huts, coconut drinks, and of course, food! The low volatility ensures there’s a small win every now and then.

The game stands out from other slots due to its unique gameplay mechanism, with held reels that give players the chance to choose a symbol that might increase their chances of winning.

Just like Goblin’s Cave, Playtech’s Ugga Bugga, too, stands out from other slots due to its unique gameplay mechanism. This game, too, comes with the Hold feature that gives players the chance to choose a symbol that might increase their chances of winning.

However, the max win potential in this slot game is 1000x your stake, which is better than that of Goblin’s Cave. The Ugga Bugga slot doesn’t offer bonus features or Free Spins, but its expandable Wilds help score big wins

The slot is mobile-friendly. Its graphics and sound effects are perfectly suited to the jungle theme, although nothing out of the world. Overall, Ugga Bugga is worth a spin for its high RTP and gameplay.

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Ocean Princess (Playtech): 99.07% RTP

Ocean Princess slot

Playtech’s Ocean Princess does not disappoint when you’re looking for slots with more than 99% RTP. Theoretically, this 3 reel, 5 payline underwater adventure of a game has the potential to return $99.07 for every $100 you bet in the long run.

Its volatility is low, so you can expect small wins to drop every now and then. The paytable is packed with colorful symbols, including sea creatures, anchors, and traditional playing card symbols.

The ‘Crown’ symbol is the wild symbol, substituting for all other symbols to create winning combinations. The layout is set against a beautiful ocean background, complete with bubbling water and a serene soundtrack.

The soundtrack itself is worth a mention, with its calming and soothing melody that really sets the mood for an underwater adventure. But don’t let the peaceful tunes fool you – this slot is full of action, with the paylines giving you plenty of chances to win.

So, what makes this slot worth a spin? For starters, that high RTP is a huge draw – who wouldn’t want a game with a 99.07% chance of winning? However, Playtech’s Ocean Princess lacks bonus games and the Scatter feature, which can be a major letdown. Moreover, the 99.07% RTP is only for max bets.

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Mega Joker (NetEnt): 99% RTP

mega joker slot

NetEnt’s Mega Joker is a 5 reel, 5 payline video slot with a classic fruit machine theme. Everything about it screams ‘old-school’ and yet, it continues to be a fan-favorite among slot players.

The game has high volatility which means players have the opportunity to win big even though infrequently. It also has a high payout rate with a maximum win potential of 2000x and a generous RTP of 99%, which is its primary attraction.

Mega Joker offers an actual strategy to increase the odds of winning, making it more than just a fruit slot. Its symbols include cherries, lemons, watermelons, treasure chests, jesters, bells, and Lucky 7s. The soundtrack of the game is playful and adds to the overall traditional feel of the slot.

The slot offers a base game below the reels and The Supermeter Mode as the bonus feature, which also activates a progressive jackpot randomly. This gives players the option to choose their desired betting level and increases the excitement of the game.

NetEnt has earned a name for creating slots with clean graphics. However, Mega Joker slot is an exception. Perhaps the graphics have been intentionally made to resemble classic fruit arcades of yore.

The background score, too, is worth mentioning as the expected peppy jingle is missing. The only sounds that add to the vibe are those of the spinning reels and landing wins. It looks like NetEnt tried every possible trick in the book to revive the old-world charm of classic fruit machines online.

Overall, NetEnt’s Mega Joker is worth a spin for its high RTP and is an excellent choice for players who want to strike a balance between risk and reward.

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Book of 99 (Relax Gaming): 99% RTP

Book of 99 slots

Book of 99 by Relax Gaming is a Greek-themed slot game with a 5 reel, 10 payline setup. The RTP is a sky-high 99%, which means players are meant to get back $99 for every $100 they bet over a period of time.

The paytable of Book of 99 is a classic Greek odyssey filled with symbols like the child-eating monster – Lamia, a cyclops, female and male leads, and classic 10-A symbols, all offering the chance for big wins. Its high volatility might make your heart skip a beat, but would lead you to big wins, although not very frequently.

The graphics and soundtrack are straight out of an Indiana Jones movie, with an immersive atmosphere that will have you feeling like you’re exploring ancient Greece for real. As the reels witness some high-octane Greco action, the symbols are beautifully rendered, making Book of 99 a visual treat.

In the base game, collecting 99 books triggers 10 free spins, offering players an added route to the typical 3-symbol trigger. The cherry on top is the bonus round, where players are randomly chosen to be mythical Greek warriors, with the chosen character gaining expanding abilities during the Free Spins round.

This increases win potential up to a whopping 5000x your bet! And if that wasn’t enough, if three or more book symbols land in the Bonus Round, players can re-trigger 10 free spins, sending win potential soaring once again.

So, spin your way to riches and see if the Midas touch is within reach! Escape to the land of ancient Greece with Relax’s Book of 99! Whether you’re a seasoned player or a newbie, this game is definitely worth a shot.

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Ooh Aah Dracula (Barcrest): Up to 99% RTP


Barcrest’s Ooh Aah Dracula is one of those high RTP slots that will leave you howling with delight. With a whopping 99% RTP, you can theoretically get back 99% of your total wagers.

This 5 reel 10 payline slot further comes with medium volatility, which means you have the chance to land decent, mid-sized wins every now and then.

This game brings silly, zany vampires to the reels to deliver some blood-sucking fun. The RTP in the base game is 96%, which reaches the 99% mark with the high roller mode.

Additionally, players have the chance to trigger a fantastic free spins feature by landing 3 Scatter symbols represented by a dagger through the heart. This bloody symbol awards as many as 15 Free Spins in the base bonus game.

Once you’ve activated the free spins, you’ll also unlock the Heart Attack Bonus Feature, which gives you even more opportunities to win Free Spins. After each win, you’ll be presented with the “Stake it or Leave it” option, where you can choose to take your winnings or continue playing for even bigger prizes.

The high roller option in the game has been termed the Big Bet game selector. This offers you 5 special spins for either $20 or $30. Both of these Big Bet games have an impressive RTP of 99% and an added bonus after your Free Spins that gives you the chance to win instant cash prizes.

The Graveyard bonus activates when players land Free Spins during those 5 spins. On the other hand, the Super Graveyard bonus activates when Free Spins are activated in the second round of spins. The $30 game has a higher payline bet and bigger prizes during the secondary bonus feature. The max win potential in Ooh Aah Dracula is 5,000x your bet.

Talking by the theme, Count Dracula is given a comical twist in the game, which takes its cues from Trad Goth. Players will adventure through a hauntingly dark castle with the Count, his consort, burning candles, and bats flying around the moonlight

Although the sound effects are realistic, some may find them a bit strange and repetitive. The musical score and cartoonish symbols, along with the fast-paced nature of the game, give a unique spin to the classic Dracula story.

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Monopoly Big Event (Barcrest): Up to 99% RTP

monopoly big event slot

Barcrest’s Monopoly Big Event is a 5-reel, 20 payline slot based on the iconic and world-famous Monopoly board game. The game comes with three exciting bonus features, starting with the Big Event feature, which is triggered when the Big Event symbol appears on reels 1, 3 and 5.

If you get 2 stacked symbols on reel 5, you will enter the Big Event game with House Sneak Preview, while 3 stacked symbols on reel 5 will get you to the Big Event game with Hotel Sneak Preview.

In the House sneak preview, you can choose Community Chest and Chance Cards, with the Chance Cards revealing bonus icons. Land 3 of the same icon and the corresponding bonus will be activated.

The Locking Wilds free spins feature sees any wilds that land on the reels locked in place for the duration of the feature, while the ‘In Jail’ symbol eliminates the lowest paying symbol from all future free spins.

Meanwhile, in the Dancing Wild Free Spins feature, a random reel is selected for each Free Spin to become fully Wild. The Big Bet Game feature offers special spins for $20 or $30, which have the potential to trigger other features, namely, the Win Multiplier feature, All Wins x5 feature, or Locking & Wild Big Event feature.

The Win Multiplier feature applies a multiplier to wins on each spin, while the All Wins 5x feature awards a 5x multiplier to each of the 5 Big Bet spins. In the Locking & Wild Big Event feature, the Big Event symbol becomes wild and remains sticky for the spins.

The RTP in the base game is 96%, which can shoot up to 99% with the Big Bet Game feature, which is Barcrest’s term for the high roller mode. The game’s medium-volatility ensures mid-sized wins not too often, but neither too sparsely.

Monopoly Big Event offers a max win potential of 2000x your bet. The slot’s graphics are colorful and well-designed, with a fun soundtrack that sets the mood for the game. Packed with features such as Persisting Wilds and Progressive Multipliers, and Mega Spins All Wins, this one is a must-play.

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Nemo’s Voyage (WMS): Up to 99% RTP

Nemos Voyage slot

WMS’s Nemo’s Voyage offers a high RTP of 99%, which means you’ll get back $99 for every $100 you bet in theory. The theme of this 5 reel, 40 payline game is an underwater adventure of discovering lost civilizations and their untold treasures. It gives off “20,000 Leagues Under the Sea” vibes.

This is WMS’s first attempt at infusing its Phantom EFX engine into online real money slots, which can be found exclusively in the provider’s line of social games. Every time you take a plunge and reach a certain depth, you unlock a different wild feature.

The more you spin, the more prizes you win. This is due to the game’s depth meter throwing out various wilds, including wild reels that are known as Wild Ocean features. Nemo’s Voyage also offers a Free Spins round where Krakens convert symbols into Pressurized wilds that stick throughout.

It further features 2x wilds, 3x wilds, and stacked wilds. The graphics are majestic. The reels are set in a beautiful underwater world, and the symbols are all related to the ocean, including a shipwreck, maps, sea creatures, and divers. The sound effects and soundtrack are also on point, and add to the overall experience of the game.

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Why 99% RTP Slots are So Popular?

An RTP of 99% is considered the highest in the world of online slot games. Theoretically, a slot game can have an RTP of 100% and up, but practically, you’ll never find one that explicitly claims so.

For players, the next best bet is to play slot games with 99% RTP as they can expect to receive nearly all of their bet back on average. This makes such games appealing and potentially profitable, which explains their popularity.

There aren’t too many slots with 99% RTP, which is why the ones that exist continue to be the fan favorites among online gamblers.

How to Choose Slots With 99% RTP?

When choosing a slot with 99% RTP, it is important to consider the following factors:

Furthermore, reading online slot reviews is a great way to get an idea of what other players think about the game and whether or not it’s profitable.

Last but not least, to guarantee that any winnings will be paid out, it is best to play 99% RTP games at casinos that are licensed and regulated by a credible authority.

Advantages of Playing 99% RTP Slots

Playing online slots with an RTP of 99% or higher can bring two great advantages to players:

  • Better odds of winning
  • Better payback on wagers
  • More exciting slot gaming sessions

However, before you play 99% RTP slots for real money, always try them in the demo mode to get a feel of the gameplay. This way, they can get familiar with the game without spending any money. The best slots with 99% RTP have been listed on this page so don’t go elsewhere looking for them.