The Best Online Slots with Highest RTP

Before deciding to play a slot game online, most players will want to know which online slots payout the most? There are thousands of titles available online, all with varying RTP, but which pays out the best?

Let us ask you a question – what’s the most exciting game in a casino? Sure, roulette, poker, blackjack, and lightning roulette all sound great. However, there’s another type of game that offers unmatched thrills – online slots. The best casino slots offer a variety of ways to win and feature prizes beyond your imagination.

Since their move to the online space, slots have become even more popular. That’s all because of the gamification and diversity of themes that have made them even better than before. Additionally, the slot RTP has gone up in modern slot games, meaning they’ve been made even more thrilling and rewarding than before.

The best RTP slots in 2022 pay well over the industry-standard 96%. If you know nothing about RTP play and how to choose the highest-paying slots, this guide can help. We have also hunted down 12 of the best RTP slots which you can play online, or on your mobile.

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Top 12 Slot Machines with Highest RTP

Without further ado, we’ll present the highest payout online slot machines you can find in the top online casinos in 2022.

Ugga Bugga – Playtech – RTP: 99.07%

Ugga Bugga is not your typical online slot. It’s more like a video poker game, but regardless of its form, it’s known as the highest payout online slot in the industry. Released by industry giant Playtech in 2006, it’s obviously a low variance affair with 10 reels. It has a hold reel option like video poker games do and a respin feature borrowed from top online slots.

The RTP of this slot is a massive 99.07%, putting it at the throne of the highest payout slots machines.

Ugga Bugga Slot game

Book of 99 – Relax Gaming – RTP: 99%

Book of 99 by Relax Gaming is the latest slot with a sky-high RTP to hit the market. Released in early 2021, it’s a cartoon-themed slot game that pays homage to ancient Greece. A bit surprisingly, it’s a volatile title unlike the others on this list. However, the fact that the stakes are higher also means that you have a shot at higher cash rewards.

The 10-payline slot can deliver wins over 12,000x your bet if you hit the right symbols. With bets ranging from $0.1 to $100 per spin, that means sky-high rewards in the bonus round.

Mega Joker – NetEnt – RTP: 99%

With an RTP of a clean 99%, Mega Joker is one of the best casino slots ever developed by NetEnt. Unlike Ugga Bugga, this is as vintage a slot as they come. It’s a classic that’s the favorite of many players and pays up to 2,000x your stake if you’re lucky.

There’s a catch, though. The 99% RTP is for the Supermeter bonus game. Getting to it isn’t easy, but once you do, you’ll get a better chance to win than on any other slot.

Zeus Lightning Power Reels – Red Tiger Gaming – RTP: 97.73%

Zeus Lightning Power Reels may not be the slot with the highest RTP on this list, but it surely is among the most exciting ones. Apart from the 97.73% return to player percentage and the high volatility, it also features 30 bothway paylines and Red Tiger’s own Power Reels mechanic.

This special engine pays massive wins if you manage to fill the screen with wilds. The maximum you can hit is just over 5,000x your bet, which is more than enough to appeal to players from all walks of life.

Ooh Aah Dracula – Barcrest – RTP: 99%

Barcrest is a top slot machine makes – it has been so for quite some time. The legendary studio is behind some of the biggest industry classics and top slot machine games. One of them is undoubtedly Ooh Aah Dracula, a slot with an RTP of 99%.

That’s only when you activate the High Roller mode, so make sure not to miss it. In the base game, the RTP goes up to 96% which is still decent for a 10 paylines slot with medium volatility. The tongue-in-cheek vampire design and funny horror elements make Ooh Aah Dracula a truly unique slot.

Ooh Aah Dracula slot machine game

Jackpot 6000 – NetEnt – RTP: 98.9%

Yet another jokerized slot game by NetEnt, Jackpot 6000 is another vintage slot machine with a sky-high RTP. It stands at 98.9% which is agonizingly close to Ugga Bugga. Play at the max coins to get to the Supermeter bonus and you’ll get fantastic payouts which is why Jackpot 6000 is one of the top 10 slot machines on this list and many others.

The Catfather – Pragmatic Play – RTP: 98.1%

A unique blend of cats and the legendary movie The Godfather, the Catfather is one of the highest payout slot machines in Pragmatic Play’s portfolio. Its RTP varies between 94.96% and 98.10% in this bothway pays slot that can pay great sums of cash.

Get to the free spins round and that’s where things turn cute and meowy. It’s a purrfect slot that you don’t want to miss if you’re a fan of cats.

Blood Suckers – NetEnt – RTP: 98%

One of the premier vampire-themed slots of all time, NetEnt’s Blood Suckers slot is also known for its sky-high RTP. It stands at 98% and is expectedly low variance with 25 paylines into play. The maximum you can win is up to 900x your stake, which isn’t exactly the biggest winning potential we’ve seen, but it’s more than enough to put it among the best RTP slots 2022.

Jokerizer – Yggdrasil Gaming – RTP: 98%

Is there a link between joker-themed slot games and highest payout slot machines? If you take Jokerizer into question, there surely is. Yggdrasil’s premier slot has an RTP of 98%, but this time, it’s a high instead of low variance slot game.

The thing that sets it apart is the fun gameplay which blends old-school action with modern features such as 10 bothway paylines. Mystery Wins are a welcome mystery addition that can spice up your wins even further.

Jokerizer slot game

1429 Uncharted Seas – Thunderkick – RTP: 98.60%

Thunderkick may not be known as the king of online slots with high RTP, but 1429 Uncharted Seas definitely falls into that category. It’s a slot with an RTP of 98.60% that puts you on a voyage through uncharted seas in the Age of Discovery. It’s quite an artistic slot too with great graphics and animations that stand out from the crowd.

In terms of gameplay, it’s a low-volatility slot game with 25 fixed paylines. The maximum possible win is 670 times your stake which is more than solid for a slot with such high RTP. Considering the maximum bet is $100 per spin, you can win a substantial amount of cash with a bit of luck.

Rainbow Riches – Barcrest – RTP: 98%

Yet another vintage Barcrest slot, Rainbow Riches remains one of the best RTP slots of all time. It may be over a decade old, but its 98% RTP, medium variance, and 500x wins have stood the test of time.

You can try it for free to learn the ropes or play it with real money or a no deposit bonus. Whatever you choose, one thing’s for sure – it’s one of the top highest payout online slot ever.

Starmania – NextGen – RTP: 97.87%

NextGen’s sole position on this list is taken by Starmania. The star-studded slot game has an RTP of 97.87% and low-medium variance. With 10 paylines into the mix and fun gameplay, Starmania is a top slot machine that you don’t want to miss.

The base game may not be particularly exciting, but wait until you get to the bonus round.

Starmania slot game - High RTP

White Rabbit Megaways – Big Time Gaming – RTP: 97.72%

Big Time Gaming is a master when it comes to the highest payout slot machines, and White Rabbit Megaways is proof of it. With its RTP of 97.72%, high variance, and the Megaways engine into play, this is one of those highest payout online slot machines that you simply must try.

Need more reasons for it? How about the maximum winning potential of 10,000x your stake? Released in 2017, White Rabbit is a slot game that’s well worth your time and money.

5 highest RTP slot titles in 2022

Title Developer RTP
Ugga Bugga Playtech 99.07%
Book of 99 Relax Gaming 99%
Mega Joker NetEnt 99%
Zeus Lightning Power Reels Red Tiger Gaming 97.73%
Ooh Aah Dracula Barcrest 99%

Now you know what the best online slots games with the highest RTP are, you want to know where to play them right? Well, our pick of online casinos to play at are:

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We have also checked out each individual online casino and pulled the best slots from each operator, so you don’t have to! If you want to play online, you can see our pick of recommended slots for each operator below:

What is RTP?

RTP stands short for return to player. It’s a term displayed in percentages that shows the likelihood of a slot pay rate in the long run. For example, a top slot machine with an RTP of 97% means that it pays back 97% of bets to players, but over a higher number of wagers.

To put things into perspective, such a slot will pay you back $97 on 100 bets each worth $1. Many players confuse the high slot RTP with a winning guarantee, but they’re not the same. A high-RTP slot may pay more, but winning in online slots is never guaranteed.

With that being said, all experts recommend playing the highest payout slot machines. They give you a much better chance to win at least some of your bets, which is precisely what all players are hoping for.

Of course, other factors play a role too, but for what it’s worth, the slot RTP is one of the most important ones. You may also want to read our separate guide on which slot machines have the best odds.

How Is Slot RTP Calculated?

No calculator can tell you the exact slot RTP, but you can calculate it yourself. Simply divide the amount returned from your spins by the total amount you’ve wagered. Let’s put things into perspective:

  • Amount returned: $96.50
  • Total bets: $100
  • RTP: $96.50/$100 = 96.50%

In most cases, the slot RTP will be displayed in the guide or straight up on the slot in an online casino. However, for slots that don’t list the RTP, you can start placing $1 bets up to $100 and see what you get in return to calculate the slot RTP.

How to Tell When A Slot Machine Is About to Hit

Slots are a game of pure chance, so there’s no way to tell when a slot machine is about to hit. They sometimes tend to run hot or cold, just like all random events do. The variance implemented in all slots results in a string of wins or losses. That’s where the hit frequency and variance come into play along with the slot RTP.

What’s important to remember is that slots don’t have a programmed predictive value. They aren’t programmed to catch up after big wins and owe you nothing after a string of losses. If anyone tells you they can predict a hot or cold streak on the best casino slots, they’re lying.

The RTP play is the most important for a slot, so make sure to always choose shots with the highest RTP. That goes for both real money play or playing with a no deposit bonus.

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