When choosing a casino slot, many players focus first on graphics or theme. However, in the long run, the RTP percentage can have a greater impact on the overall experience than almost any other factor. This topic is highly relevant, which is why we have compiled a list of 25 casino slots with the highest RTP rates. Each game includes a practical table with the most important information, along with a short review.
Below you will find a list ranked by RTP from highest to lowest. Each slot includes a short description and a table containing the key statistics, making it easier to compare different games.
The mythology theme is presented in a unique way, with gods from different cultures meeting in one game and competing for supremacy. Cascading wins and a free spins feature provide strong winning potential, while the 99.10% RTP is currently one of the highest rates available among widely accessible slots. If you are looking for a game with exceptional long-term return potential, this is one of the strongest options available.
Ryse of the Mighty Gods game features:
| Feature | Value |
|---|---|
| RTP | 99.10% |
| Volatility | Medium-High |
| Developer | ReelPlay |
| Released | 2021 |
| Ways to Win | Cluster Pays |
This is one of the oldest slots on the list, yet its RTP remains outstanding even today. The African jungle setting, tribal symbols, and ten paylines create a distinctive style that now feels pleasantly retro. The low volatility means wins tend to occur more frequently, although they are generally smaller. As a result, this slot is better suited for longer gaming sessions.
Ugga Bugga game features:
| Feature | Value |
|---|---|
| RTP | 99.07% |
| Volatility | Low |
| Developer | Playtech |
| Released | Around 2006 |
| Paylines | 10 |
Inspired by Greek mythology, the game revolves around the legendary poet Orpheus and uses the classic Book-style slot mechanics. A special symbol triggers a free spins feature with expanding symbols, while the impressive 99.00% RTP makes it an attractive choice for many players. However, the high volatility requires patience, as larger wins may take longer to appear.
Book of 99 game features:
| Feature | Value |
|---|---|
| RTP | 99.00% |
| Volatility | High |
| Developer | Relax Gaming |
| Released | 2020 |
| Paylines | 10 |
This slot combines the classic fruit machine aesthetic with an unexpected strategic element. It is important to note that the 99.00% RTP is only available when the Supermeter mode is activated and the game is played at the maximum stake. Otherwise, the RTP is lower. If you enjoy retro-style slots and understand how to take advantage of this feature, the game offers significant potential.
Mega Joker game features:
| Metric | Value |
|---|---|
| RTP | Up to 99.00% |
| Volatility | High |
| Developer | NetEnt |
| Released | 2011 |
| Paylines | 5 |
Another classic NetEnt slot with a high RTP, which is also only achievable through the Supermeter mode. Alongside its attractive RTP, the game features a fixed 6,000-coin jackpot, which is a solid bonus for a slot of this type. Beneath its nostalgic fruit machine appearance lies much more than meets the eye.
Jackpot 6000 game features:
| Metric | Value |
|---|---|
| RTP | Up to 98.86% |
| Volatility | High |
| Developer | NetEnt |
| Released | 2011 |
| Paylines | 5 |
The Roman Empire theme is brought to life through detailed symbols featuring helmets, swords, and eagles, creating an immersive atmosphere. The standout feature of this slot is the Dual Reaction mechanic, where symbols appear in multiple positions, increasing the chances of forming winning combinations. Among modern online slots, an RTP of 98.12% is exceptionally high.
Marching Legions game features:
| Metric | Value |
|---|---|
| RTP | 98.12% |
| Volatility | High |
| Developer | Relax Gaming |
| Released | 2020 |
| Ways to Win | Dual Reaction Mechanic |
Vampires and a dark gothic atmosphere have made this classic NetEnt slot popular with players for many years. Its low volatility means wins occur more frequently, although they are usually smaller in size. An interactive bonus feature adds extra excitement, allowing players to hunt vampires and collect cash prizes.
Blood Suckers game features:
| Metric | Value |
|---|---|
| RTP | 98.00% |
| Volatility | Low |
| Developer | NetEnt |
| Released | 2009 |
| Paylines | 25 |
A rarely seen feature allows players to choose the game’s volatility before each spin. This provides greater control and makes it easier to adapt the gameplay to personal preferences or bankroll size. The angels-versus-devils theme presents this concept in a fun and engaging way, while the high RTP helps the slot stand out from the competition.
Good Girl Bad Girl game features:
| Metric | Value |
|---|---|
| RTP | 97.79% |
| Volatility | Selectable |
| Developer | Betsoft |
| Released | 2014 |
| Paylines | 30 |
Inspired by Alice in Wonderland, this slot stands out with its vibrant visuals and instantly recognizable atmosphere. The Megaways mechanic creates up to 248,832 ways to win, while the Feature Drop option allows players to buy direct access to the free spins feature. Visually rich and highly dynamic, it combines engaging gameplay with an excellent RTP.
White Rabbit Megaways game features:
| Feature | Value |
|---|---|
| RTP | 97.72% |
| Volatility | High |
| Developer | Big Time Gaming |
| Released | 2018 |
| Ways to Win | Up to 248,832 |
Instead of traditional reels, this game uses colorful candy symbols that must be matched in groups of three, making it stand out from conventional slots. Chain reactions become the core element of potential wins, while the overall atmosphere remains light and uncluttered. Its strong RTP and unusual gameplay mechanics make it a genuinely interesting choice.
Sugar Pop game features:
| Feature | Value |
|---|---|
| RTP | 97.30% |
| Volatility | Medium |
| Developer | Betsoft |
| Released | 2013 |
| Ways to Win | Match-3 Mechanic |
This slot serves as a tribute to the legendary rock icon. It features original music tracks, four different free spins modes, and an atmosphere that fans will instantly recognize. Here, music is far more than background audio – it becomes an essential part of the overall experience. If you appreciate rock culture, this slot is likely to leave a stronger impression than many standard online slots.
Jimi Hendrix game features:
| Feature | Value |
|---|---|
| RTP | 96.92% |
| Volatility | Medium |
| Developer | NetEnt |
| Released | 2016 |
| Paylines | 20 |
A mysterious vampire-themed world unfolds through four characters whose stories are gradually revealed as you play. The Chamber of Spins bonus round offers four distinct free spins modes, each with its own unique features. Over the years, this title has become one of Microgaming’s most iconic and enduring classics.
Immortal Romance game features:
| Feature | Value |
|---|---|
| RTP | 96.86% |
| Volatility | High |
| Developer | Microgaming |
| Released | 2011 |
| Ways to Win | 243 |
This fruit-themed disco slot takes place on an 8×8 grid, where jars act as wild symbols while also collecting multipliers. During the free spins feature, these multipliers can combine, creating the potential for significantly larger wins. The gameplay remains fast-paced and entertaining, even during periods when bigger payouts take a little longer to appear.
Jammin’ Jars game features:
| Feature | Value |
|---|---|
| RTP | 96.83% |
| Volatility | High |
| Developer | Push Gaming |
| Released | 2018 |
| Ways to Win | 8×8 Cluster Grid |
This Wild West-themed classic has long earned cult status among fans of high-volatility slots. The game’s biggest highlight is its free spins feature with sticky wilds, which is the main reason behind its popularity. Patience is often required here, but a strong winning combination can make the wait worthwhile.
Dead or Alive game features:
| Metric | Value |
|---|---|
| RTP | 96.82% |
| Volatility | Very High |
| Developer | NetEnt |
| Released | 2009 |
| Paylines | 9 |
Set in the depths of the ocean, Razor Shark features the popular Mystery Stack mechanic and an increasing multiplier during free spins. This high-volatility slot is ideal for players who enjoy suspense and don’t mind longer stretches between wins. The potential for bigger payouts is certainly there – the only question is how long it will take to reach them.
Razor Shark game features:
| Metric | Value |
|---|---|
| RTP | 96.70% |
| Volatility | High |
| Developer | Push Gaming |
| Released | 2019 |
| Paylines | 20 |
One of Pragmatic Play’s most recognizable titles, Big Bass Bonanza has become a true phenomenon among slot enthusiasts. The fishing theme is presented in a simple and accessible way, while the real excitement comes during free spins, when the fisherman collects fish symbols along with their cash values. Simplicity is one of this slot’s greatest strengths – it is easy to understand yet remains highly engaging.
Big Bass Bonanza game features:
| Metric | Value |
|---|---|
| RTP | 96.71% |
| Volatility | High |
| Developer | Pragmatic Play |
| Released | 2020 |
| Paylines | 10 |
A gem among classic fruit slots, Fruit Shop combines a straightforward format with a 3x multiplier during free spins. You won’t find complex mechanics or excessive visual effects here – just a clear and enjoyable gaming experience. It is an excellent choice for players who appreciate simplicity and prefer longer sessions with lower risk.
Fruit Shop game features:
| Metric | Value |
|---|---|
| RTP | 96.71% |
| Volatility | Low–Medium |
| Developer | NetEnt |
| Released | 2014 |
| Paylines | 15 |
Thunderstruck II blends Norse mythology with Microgaming’s classic slot style. Thor, Odin, and four different free spins modes – each with unique features – are unlocked as you progress through the game. This slot has maintained its popularity for many years, and that is certainly no coincidence.
Thunderstruck II game features:
| Metric | Value |
|---|---|
| RTP | 96.65% |
| Volatility | Medium–High |
| Developer | Microgaming |
| Released | 2010 |
| Ways to Win | 243 |
The atmosphere of Greek gods and ancient legends is combined with three progressive jackpots – Minor, Major, and Mega. The prize pools continue to grow over time, meaning every spin could become an opportunity to land a substantial win. Additional excitement comes from the Wild on Wild feature, which helps create higher-value winning combinations more frequently.
Divine Fortune game features:
| Metric | Value |
|---|---|
| RTP | 96.59% |
| Volatility | Medium |
| Developer | NetEnt |
| Released | 2017 |
| Paylines | 20 |
Created by Play’n GO, this slot takes players into a futuristic space-themed world built around a 7×7 grid. Symbols connect in clusters and disappear, making room for new combinations to form. Various Quantum Features activate throughout gameplay, adding unique effects and extra winning opportunities. Visually, it is a vibrant and constantly evolving slot that keeps the action fresh.
Reactoonz game features:
| Metric | Value |
|---|---|
| RTP | 96.51% |
| Volatility | High |
| Developer | Play’n GO |
| Released | 2017 |
| Ways to Win | 7×7 Cluster Grid |
This colourful world of candies and fruits combines eye-catching visuals with the popular Tumble mechanic, where cascading wins can lead to significant payouts. During the free spins feature, multipliers of up to 100× can combine, dramatically increasing the final win amount. The Ante Bet option is also worth mentioning, as it increases the chance of triggering the bonus feature while slightly raising the stake.
Sweet Bonanza game features:
| Metric | Value |
|---|---|
| RTP | 96.51% |
| Volatility | High |
| Developer | Pragmatic Play |
| Released | 2019 |
| Ways to Win | 6×5 Cluster Grid |
This high-volatility slot features Zeus and random multipliers that can combine for up to 500×. Its Pay Anywhere mechanic means symbol positions do not matter – only the total number of matching symbols appearing on the screen. It remains one of the most successful slot releases of recent years, and its popularity is far from accidental.
Gates of Olympus game features:
| Metric | Value |
|---|---|
| RTP | 96.50% |
| Volatility | Very High |
| Developer | Pragmatic Play |
| Released | 2021 |
| Ways to Win | 6×5 Cluster Grid |
Combining Wild West themes with steampunk aesthetics, Money Train 2 has an instantly recognisable style. The biggest action takes place in the Money Cart Bonus Round, where special symbols can generate wins worth up to 50,000× the stake. Its very high volatility means larger wins may take longer to appear, but the potential rewards are truly exceptional.
Money Train 2 game features:
| Metric | Value |
|---|---|
| RTP | 96.40% |
| Volatility | Very High |
| Developer | Relax Gaming |
| Released | 2021 |
| Reels | 5 |
Widely regarded as one of the most recognisable online slots ever created, Starburst combines a space-themed setting, sparkling gemstones, and the famous Win Both Ways system. Expanding wilds and straightforward gameplay make it easy to understand, even for beginners. More than a decade after its release, it remains a favourite among players worldwide, which says a lot about its enduring quality.
Starburst game features:
| Metric | Value |
|---|---|
| RTP | 96.10% |
| Volatility | Low |
| Developer | NetEnt |
| Released | 2012 |
| Paylines | 10 |
This adventure-themed slot follows a Spanish conquistador searching for the legendary lost city of El Dorado. Its innovative Avalanche mechanic, where symbols fall into place instead of spinning traditionally, was groundbreaking at the time and has since become an industry standard. Increasing multipliers during consecutive wins provide genuine potential for larger payouts within a single winning sequence.
Gonzo’s Quest game features:
| Metric | Value |
|---|---|
| RTP | 95.97% |
| Volatility | Medium |
| Developer | NetEnt |
| Released | 2011 |
| Paylines | 20 |
Online slots with highest RTP can offer a more favourable long-term statistical return, but they are certainly not a guaranteed winning formula. Volatility, game mechanics, and session length all play an equally important role in shaping the overall experience.
This list includes a wide range of online casino games, from retro classics to modern cluster-pay slots. In most cases, the best choice is a game that combines a high RTP, a volatility level that suits your playing style, and mechanics you genuinely enjoy.
Most importantly, remember that slot games are a form of entertainment, not a source of income. Always gamble responsibly, set clear limits, and only play with money you can afford to lose.
At the moment, the highest widely available RTP is 99.10%. This figure belongs to Ryse of the Mighty Gods, a slot developed by ReelPlay.
No. RTP is calculated over a very long period and millions of spins, meaning the outcome of any individual session can differ significantly from the theoretical return.
RTP represents the theoretical long-term return to players, while volatility describes how often wins occur and how large those wins are likely to be. Both factors are important when evaluating a slot game.
No. The highest RTP in these games is only available when playing in Supermeter mode with the maximum bet. Under other conditions, the RTP is lower.
Yes. Most of these slots offer demo versions that can be played for free. This is a great way to learn the mechanics and features before wagering real money.
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