Which slot machines have the highest RTP at the online casinos? Introducing our complete list of the highest RTP slots 2024 has to offer.
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We all know that slot machines are one of the best games to play at the land-based casinos. And now, with online casino gaming on the rise in states like Michigan, New Jersey and Pennsylvania, more and more slot classics are on offer to online players.
With the rising popularity of online slot gaming, players always have questions which need answering. What is the best game at each online casino? Which slot machines offer the highest payouts? What are the highest variance slot games online?
Well, we’re here to answer one of the most pertinent questions. Which online slots have the highest RTP?
What is RTP in Slots?
RTP stands for Return to Player. This is the percentage of someone’s wager that is ‘returned to the player’ over time.
In other words, a slot game with a 97% RTP would return you $0.97 of every $1 you wager in the long-term. Of course, you may win a jackpot or a bonus and receive far more than 97% of your stake back. Alternatively, luck may not be on your side and you could receive less than 97% of the amount wagered.
Obviously, an RTP will never be 100% for any slots out there. The casino must make some money (also known as the ‘house edge’). But, it is all about finding as much value for your money as possible – which is why online casino players are constantly on the hunt for the best RTP slots available.
And that’s where we come in handy. Let’s dive into the highest RTP slots for 2024.
Highest RTP Slots 2024
We have chosen 7 of the highest RTP slots for you to try at the online casinos in 2024. All of the online slot games on our list have an RTP of 97% or greater.
| Online Slot Game | RTP |
| #1 Blood Suckers | 98.00% |
| #2 Starmania | 97.87% |
| #3 White Rabbit Megaways | 97.72% |
| #4 Interstellar Attack | 97.20% |
| #5 Medusa 2 | 97.07% |
| #6 Secrets of Atlantis | 97.07% |
| #7 Jack Hammer | 97.00% |
1. Blood Suckers – 98% RTP
Blood Suckers is one of the best RTP slots online at the moment, with a 98% RTP. The NetEnt game with five reels and 25 paylines also has an exciting potential max win of up to 30,000x your spin.
But what the vampire-themed game really has going for it is the bonus game feature. It could just be the best bonus game feature available anywhere.
Blood Suckers Bonus Game Feature
When three or more bonus symbols land on the same payline, you are tasked with stabbing a vampire’s heart with a stake. Then, you get to choose one of three coffins. One will have a significant bonus prize inside.
Why not give Blood Suckers online slot game a try at BetMGM Casino today? It’s one of the most popular games at BetMGM after all.
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2. Starmania – 97.87% RTP
Second in our list of slot machines with the highest RTP is Starmania. With five reels and ten paylines, the space-themed slot has a 97.87% RTP. Why not ‘reach for the stars’ and give this one a shot?
Starmania has a max win cap of 900 credits, which means your jackpot win will never be outrageous. However, with an RTP of 97.87%, the return on your input more than makes up for that. Starmania online slot is available at many online casinos, including WynnBET.
3. White Rabbit Megaways – 97.72% RTP
This Alice in Wonderland-themed game features in our list of best slots on DraftKings. And with good reason!
There are a whopping 248,832 ways to win on White Rabbit Megaways, with 16,807 paylines. It makes this Big Time Gaming slot machine a very high variance one, with often incredible bonus round jackpots. Not to mention a 97.72% RTP.
White Rabbit Megaways Visual Features
Not only is this one of the best RTP slot machines, but the visuals are immense. Dive into this game and find symbols such as the Cheshire Cat, the Mad Hatter and the Queen of Hearts. The colors are certainly eye-catching and will make you want to play just that little while longer.
Wilds and scatters may also appear if you get lucky. Not to mention to Caterpillar – if you see it then you’re in for a big payout. White Rabbit Megaways is available at numbers US online casinos, including Borgata.
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4. Interstellar Attack – 97.2% RTP
When searching for which slot machines have the highest RTP, Interstellar Attack is certainly up there at 97.2%.
This slot, developed by High 5 Games, is an arcade-style game with a unique 5×5 reel. It gives off Space Invaders vibes from back in the retro arcade days.
Interstellar Attack Bonus Features
Interstellar Attack has plenty of awesome bonus features, including the Power-Up meter and the Spin-Crease meter. Both of these bonus features load up when you shoot space creatures. Once loaded up, the meters will release multipliers and substantial payouts. Exactly what you want from an online slot game.
Interstellar Attack can be played online at Golden Nugget Casino. Claim your Golden Nugget welcome bonus and use it on Interstellar Attack by clicking ‘Get Bonus’ below.
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5. Medusa 2 – 97.07% RTP
Yes, it’s another online slot machine that joins the 97%+ RTP club. Medusa 2 (or Medusa II) is based on the story of Medusa in Greek mythology. You know, the woman with snakes for hair and a glare that will turn you to stone?
Medusa 2 is a five-reel online slot with 243 ways to win. It is very on-brand, with scatters and wilds including stone and snakes. As you may be aware, Medusa II is a NextGen sequel to the first Medusa game which can be found at so many of the land-based and online casinos.
Today, you can try it out at Golden Nugget online:
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6. Secrets of Atlantis – 97.07% RTP
While we’re on the subject of Greek mythology, here’s another slot game for you to try. Secrets of Atlantis is based on the mythological underwater city deep beneath the sea.
The NetEnt slot is a five-reel, 40 payline favorite among slots players with some incredible bonus features. Collect ocean symbols for varying payouts, from jellyfish (maximum payout of 15x) to ruby gems (maximum payout of 70x). To unleash the big bucks, find a pearl clam and you could receive a payout up to 400x your stake!
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7. Jack Hammer – 97% RTP
Finally, let’s round off the best RTP slots for 2024 with a cartoon-style game. Jack Hammer online slot focusses on the battle between Jack Hammer (the comic book favorite) and his archrival, Dr Wüten.
This NetEnt classic has 25 paylines. What is unique about this online slot game is the number of spinning reels – there are 15! Not to mention the Sticky Wins, Wilds and Free Spins that will give you a decent chance of celebrating a big payout on this game.
But how do you trigger the Sticky Win feature on Jack Hammer? Well, if you can find three or more Tic-Toc Bomb Free Spin symbols, the reels will begin spinning and spinning. This will likely result in a jackpot prize.
At 97% RTP, Jack Hammer online slot game is certainly on the high end of the Return to Player scale. However, if you are wanting a quick win, this high variance slot is maybe not at the top of your list.
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What slot machines have the highest RTP 2024?
This year, the best RTP slots are those at 97% or greater. Blood Suckers slot machine can be played online, and it has one of the highest RTPs of any online slot at 98%.
What online casino game has the highest RTP?
The highest RTP online casino slots in 2024 are:
- Blood Suckers
- Starmania
- White Rabbit Megaways
- Interstellar Attack
- Medusa 2
- Secret Atlantis
- Jack Hammer
Each has something a little different, but most importantly returns wins to you as the player. Give them a try today!
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