- 🏛️ 3 UK slot sites where you can filter games by volatility
- 🔥 The top 10 high volatility slots, including in-depth reviews and free demo slots
- 💥 Extreme & Insane volatility slots
- 🏆 High volatility jackpot slots
Best High Volatility Slot Sites
With all online slot sites offering high volatility games, you’ll always find games that offer drama, tension and that all-important adrenaline rush. The 3 UKGC-licensed slot sites below stand out above the rest as they allow you to filter slots by volatility or have dedicated high volatility sections:
1. bet365 Casino
bet365 Casino is arguably the most popular gambling site in the UK, with 2,000+ slots, no wager free spins and instant withdrawals (including PayPal). What I like is that you can sort and filter games with the latter allowing you to filter by type, theme, bonus features provider, RTP and volatility.
Pros
- 2,500+ casino games including 2,000+ slots
- Exclusive ‘bet365 Originals’ slots + Dual Drop Jackpot games
- Instant to 4 Hour withdrawal time with no fees
Cons
- No telephone support available
2. Duelz Casino
Duelz Casino is a medieval-themed site with 2,000+ games. Offering weekly cashback and regular offers, they boast 6-minute average withdrawals. In the ‘Games’ section, they have a dedicated ‘Volatile’ section with all high volatility slots.
Pros
- Instant Withdrawals (6 minute average)
- Built for mobile, works everywhere
- 10% weekly cashback, Duelz Prizes & tournaments
Cons
- Site navigation can be clunky
3. BetVictor Casino
BetVictor Casino has over 3,000 slot games, including lots of jackpot games, slick mobile apps and fast withdrawals. In the ‘Casino’, head to the ‘Categories’ section where you can select ‘High Volatility’ and even filter by theme and slot provider.
Pros
- 3,000+ slots including lots of jackpot games
- iOS/Android mobile apps
- Very fast & free withdrawals (from £5)
Cons
- No PayPal deposits/withdrawals
Best High Volatility Slots (by Features)
Below, you’ll find the top high variance games based on various features that are important to you. You’ll may prefer high max win potential, top RTP rates or the graphics.
| Highlight | Slot Game(s) | Info |
|---|---|---|
| OLBG Rating | Money Train 4 + 5 Games | 6 games in top 10 have a 5/5 rating |
| Most Popular | Book of Dead | Subject of many free spins offers |
| Max Win | Tombstone Slaughter | Offers 500,000 x bet max win potential |
| Highest RTP | Immortal Romance | Has a 96.86% RTP rate |
| Bonus Features | Dead or Alive 2 | Comes with 3 free spins features |
| Best Graphics | San Quentin 2: Death Row | Gritty, prison theme |
| Best Gameplay | Jammin' Jars | Fun, light-hearted and iconic |
| Hit Frequency | Mental 2 | 31.41% hit frequency rate (1 in 3.18 spins) |
| Biggest Jackpots | Ancient Fortunes: Poseidon WowPot Megaways | WowPot Jackpot has paid out world-record €38.4 million |
Top 10 High Volatility Slot Games
With most of the best slot games being high volatility, below are my top 10 picks. Each brings something different: including unique bonus features, theme, game mechanic and more.
| # | Slot Game | Provider | RTP | Volatility | Max Win (x Bet) | Minimum Bet | Release Date |
|---|---|---|---|---|---|---|---|
| 1 | Immortal Romance | Microgaming | 96.86% | Very High | 12150 | £0.30 | 01/12/2011 |
| 2 | Tombstone Slaughter | Nolimit City | 96.01% | Insane | 500000 | £0.20 | 28/01/2025 |
| 3 | Money Train 4 | Relax Gaming | 96.10% | Very High | 150000 | £0.10 | 20/09/2023 |
| 4 | Dead or Alive 2 | NetEnt | 96.80% | Very High | 111111.11 | £0.09 | 23/04/2019 |
| 5 | Razor Returns | Push Gaming | 96.55% | High | 100000 | £0.10 | 04/07/2023 |
| 6 | Jammin' Jars | Push Gaming | 96.83% | High | 19998.5 | £0.20 | 18/09/2018 |
| 7 | Mental 2 | Nolimit City | 96.06% | Insane | 99999 | £0.20 | 25/03/2025 |
| 8 | Book of Dead | Play 'n GO | 96.21% | High | 5000 | £0.10 | 14/01/2016 |
| 9 | San Quentin 2: Death Row | Nolimit City | 96.13% | Extreme | 200000 | £0.20 | 24/09/2024 |
| 10 | Starburst XXXtreme | NetEnt | 96.26% | Very High | 200000 | £0.10 | 15/07/2021 |
1. Immortal Romance (Microgaming)
- RTP: 96.86%
- Max Win: 12,150x
- Volatility: Very High
- Stakes: 30p to £4.50
- Release Date: 1 December 2011
Immerse yourself in Immortal Romance, a gothic-themed slot by Stormcraft Studios/Microgaming. This 5 reel, 243 ways to win game offers a 96.86% RTP and high volatility. Its standout features include the Wild Desire feature, turning up to 5 reels wild.
Then you have the Chamber of Spins: this unlocks 4 unique free spin modes tied to characters Amber, Troy, Michael, and Sarah, each with their own modifier. With 12,150 x bet max wins, this slot combines captivating storytelling with substantial payout potential. Remaining a cult icon, it’s one of my favourite games ever. If you like the theme, check out my guide to the best horror slots.
2. Tombstone Slaughter (Nolimit City)

- RTP: 96.01%
- Max Win: 500,000x
- Volatility: Insane
- Stakes: 20p to £5
- Release Date: 28 January 2025
Tombstone Slaughter is Nolimit City’s most volatile slot yet, boasting 500,000 x bet max win potential (the highest of any online slot game!). Set in a scorched Wild West town, the game follows El Gordo’s daughter’s fiery quest for vengeance.
With 6 reels and 324 ways to win (initially), it features xNudge Wilds, Reel Split Wilds, and 2 intense free spins modes. The xRIP mechanic adds to the challenge, discarding wins below your bet. This slot is a high-stakes thrill ride for daring players. Looking for more big wins? Check out my best payout slots guide which highlights games with high max win potential and RTP rates.
3. Money Train 4 (Relax Gaming)
- RTP: 96.1%
- Max Win: 150,000x
- Volatility: Very High
- Stakes: 10p to £5
- Release Date: 20 September 2023
Money Train 4 is the final instalment in the popular Money Train series by Relax Gaming. Offering a futuristic, dystopian twist on the Wild West theme, it is played on a 6x6 grid with Scatter Pays.
Boasting a 96.1% RTP rate and very high volatility, the game features cinematic graphics, an orchestral soundtrack, and 150,000 x bet max win potential. Key highlights include the Money Cart Bonus feature, which introduces new bandits and special symbols for explosive combinations. Playable from 10p per spin, it's a thrilling ride for high-stakes players. Want more games using the same mechanic? Visit my Scatter Pays slots article.
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4. Dead or Alive 2 (NetEnt)
- RTP: 96.8%
- Max Win: 111,111.11x
- Volatility: Very High
- Stakes: 9p to £5
- Release Date: 23 April 2019
An upgraded sequel with enhanced graphics and three separate free spins modes. It’s all about the Sticky Wilds, which can lead to legendary payouts, especially during the High Noon Saloon feature.
By NetEnt, Dead or Alive 2 is an upgraded sequel with enhanced graphics. This high-volatility Wild West slot is played on 5 reels and 9 paylines from 9p per spin. With a 96.8% RTP rate, it offers 3 free spins features: Old Saloon, High Noon Saloon, and Train Heist.
Each with unique mechanics like sticky wilds and multipliers, you can win up to 111,111.11 x your total bet, with the High Noon Saloon mode offering the highest potential. An iconic game, read my article dedicated to the best slot game sequels.
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5. Razor Returns (Push Gaming)
- RTP: 96.55%
- Max Win: 100,000x
- Volatility: High
- Stakes: 10p to £5
- Release Date: 4 July 2023
Dive into the depths with Razor Returns, Push Gaming’s thrilling sequel to Razor Shark. This high-volatility slot features 5 reels and 40 paylines, offering you the chance to win up to 100,000 x your total bet.
With a 96.55% RTP, it boasts dynamic features like transforming Mystery symbols, Nudge & Reveals, and Golden Sharks that can award instant prizes up to 5,000 x bet. The Free Spins feature starts with a multiplier up to 25x, increasing with each nudge, and introduces the new Nudge Up symbol for additional free spins. It also features highly on my top animal-themed slots list.
6. Jammin' Jars (Push Gaming)
- RTP: 96.83%
- Max Win: 19,998.5x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 18 September 2018
Get into the groove with Jammin’ Jars, Push Gaming’s vibrant Cluster Pays slot. Set on an 8x8 grid, it features cascading wins, sticky Jam Jar Wilds with increasing multipliers, and a Rainbow feature that introduces giant fruit symbols.
The Free Games mode offers unlimited multiplier growth, enhancing win potential. With a high 96.83% RTP and max wins up to 19,998.5 x your bet, it is one of the most fun and deceptively punishing high volatility games online. Like the mechanic? Discover the top Cluster Pays slots (which include Jammin’ Jars and its sequel, Jammin’ Jars 2).
7. Mental 2 (Nolimit City)

- RTP: 96.06%
- Max Win: 99,999x
- Volatility: Insane
- Stakes: 20p to £5
- Release Date: 25 March 2025
The 2025 follow-up to the notorious original. Mental 2 ramps up the intensity with even darker themes and mechanics like xSplit, xWays, and a maximum win potential that borders on terrifying. Step into the twisted world of Mental 2, Nolimit City’s harrowing sequel to its 2021 cult hit. This extremely high volatility slot features a unique 3-2-3-2-3 reel layout with 108+ ways to win and a staggering 99,999 x bet max payout.
Key features include Fire Frames, xMental, and Dead Patient multipliers up to 9999x. With a 96.06% RTP and 3 escalating free spins modes, it’s a chilling, adrenaline-fueled experience for daring players.
8. Book of Dead (Play 'n GO)
- RTP: 96.21%
- Max Win: 5,000x
- Volatility: High
- Stakes: 10p to £5
- Release Date: 14 January 2016
A staple in any slot collection. Book of Dead balances classic gameplay with high volatility appeal. The expanding symbol feature during free spins is what makes it so iconic.
Embark on an ancient Egyptian adventure with Book of Dead, Play’n GO’s iconic slot featuring explorer Rich Wilde. This high volatility game is played with 5 reels and 10 paylines with an above-average 96.21% RTP rate, from 10p per spin.
Triggering the Free Spins feature grants 10 free spins with a randomly selected expanding symbol, enhancing win potential up to 5,000 x your bet. Optimised for both desktop and mobile platforms, this timeless classic has inspired countless ‘Book of’ slots and spawned an entire Wilde slots series: it is also responsible for countless free spins offers.
9. San Quentin 2: Death Row (Nolimit City)
- RTP: 96.13%
- Max Win: 200,000x
- Volatility: Extreme
- Stakes: 20p to £5
- Release Date: 24 September 2024
Experience the gritty intensity of San Quentin 2: Death Row, Nolimit City's insanely high-volatility sequel that amplifies the original's features. Set on a 5x4 grid with 1,024 ways to win, this slot offers a 96.13% RTP and a staggering 200,000 x bet max win potential.
Features like Enhancer Cells, Jumping Wilds, and Green Mile Spins elevate the gameplay, providing dynamic and unpredictable action. With its dark prison theme and immersive mechanics, it's designed for players seeking high-stakes thrills. Its predecessor, San Quentin, was the game that inspired extreme and insane volatility slots.
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10. Starburst XXXtreme (NetEnt)
- RTP: 96.26%
- Max Win: 200,000x
- Volatility: Very High
- Stakes: 10p to £5
- Release Date: 15 July 2021
NetEnt’s Starburst XXXtreme offers a volatile twist on one of the most recognisable slots ever (the low-volatility Starburst). Elevating the iconic original with intensified gameplay and colossal win potential, it’s played with 5 reels and 9 paylines, with a 96.26% RTP rate.
Central to its appeal are the Starburst Wilds, which expand on the middle reels, triggering re-spins and multipliers up to 150x: potentially combining for a staggering 450x. With a maximum win of 200,000 x your bet, this cosmic adventure is tailored for players seeking high-risk, high-reward thrills. If you like the theme, check out the best space-themed slots.
High volatility (or high variance) slots are games where payouts are less frequent but tend to be significantly larger when they hit. For a full explanation, head to my guide on slot volatility or read my A to Z of slots glossary terms. These games usually have:
- Long dry spells between wins
- Bigger jackpot or bonus feature potential
- Often higher max win caps
They appeal to patient players, have a decent bankroll and are chasing larger payouts instead of regular small wins. If you enjoy suspense and the potential for dramatic outcomes, high volatility slots are for you.
Nolimit City has pushed the boundaries of high variance even further with what they call ‘extreme’ and ‘insane’ volatility slots. These labels aren't just marketing: they reflect a genuine design philosophy of ultra-high risk and astronomical win potential. Games like Mental 2, San Quentin 2, and Tombstone RIP showcase this ethos. You can expect:
- Long stretches without wins
- Brutal base games
- Explosive bonus features
- Max win potential up to 500,000 x bet
These slots are deliberately polarising: they're built for seasoned players who embrace the rollercoaster. If you enjoy dramatic gameplay, dark themes, and volatile mechanics like xWays, xSplit, and xBombs, Nolimit City's most intense offerings will deliver. Always play these with caution, and consider using demo mode first to understand how the mechanics work.

Nolimit City Slots: Reviews, Free Demos & Best UK Sites
If you want the thrill of high volatility paired with the dream of winning a 7 or 8-figure payout, progressive jackpot slots are your best bet. While many jackpot slots are lower volatility, these 5 standout titles deliver both risk and massive reward:
5k Gold Mine Dream Drop (4ThePlayer)

Real-Time Jackpot: £1,731,646.81
- RTP: 94%
- Max Win: 5,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 14 April 2023
Embark on a Wild West adventure with 5k Gold Mine Dream Drop, a high-volatility slot from 4ThePlayer. Featuring 5 reels, 1,024 ways to win, and a 94% RTP, this game offers 5,000 x bet max wins.
The standout Gold Rush Trail surrounds the grid, awarding cash prizes, free spins, or entry to the Dream Drop Jackpot game, where 5 progressive jackpots await. The Mega Jackpot is worth up to €2 million. If this tickles your fancy, there are plenty of Dream Drop jackpot slots to enjoy.
Gold Blitz King Millions (Microgaming)

Real-Time Jackpot: £2,021,501.30
- RTP: 90.5%
- Max Win: 5,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 5 February 2025
Gold Blitz King Millions by Microgaming (now Games Global) is a high-volatility slot featuring 6 reels and 4,096 ways to win. With a 90.5% RTP, it offers a max win of 5,000 x your bet. The game includes a Collect feature, Free Spins with up to 5x multiplier wilds, and Gold Blitz Spins where only Collect, Cash, and Jackpot symbols appear.
Trigger the King Millions Bonus Wheel for a chance at 2 progressive jackpots: the Major starting at €1 million and the Grand at €2 million. The largest Grand Jackpot won to date is €10,943,078!
Who Wants to be a Millionaire Megapays (Big Time Gaming)

Real-Time Jackpot: £423,871.77
- RTP: 96.38%
- Max Win: 72,310x
- Volatility: High
- Stakes: 40p to £5
- Release Date: 25 August 2021
Step into the iconic game show with Who Wants to Be a Millionaire Megapays, a high-volatility slot by Big Time Gaming. Featuring 6 reels and up to 117,649 ways to win via the Megaways mechanic, it offers a 96.38% RTP and 72,310 x bet max wins.
Key features include cascading wins, the Hot Seat Free Spins Gamble with lifelines, and 4 progressive jackpots through the Megapays feature. Playable from 40p per spin, you can discover more Megaways slots in my dedicated guide.
Ancient Fortunes: Poseidon WowPot Megaways (Microgaming)

Real-Time Jackpot: £11,861,434.21
- RTP: 92.23%
- Max Win: 18,720x
- Volatility: High
- Stakes: 10p to £5
- Release Date: 19 August 2021
Dive into the depths with Ancient Fortunes: Poseidon WowPot Megaways, a high-volatility slot by Triple Edge Studios and Microgaming. Featuring 6 reels and up to 117,649 ways to win, it offers a 92.23% RTP and 18,720 x bet max wins.
Key features include Rolling Reels, Free Spins with unlimited multipliers, and the WowPot Jackpot Pick Game, where you can win 1 of 4 progressive jackpots, reaching over £2 million. It is also part of the WowPot jackpot slots network.
AP McCoy: Sporting Legends (Playtech)

Real-Time Jackpot: £170,301.10
- RTP: 95.03%
- Max Win: 38,396x
- Volatility: High
- Stakes: 25p to £5
- Release Date: 25 January 2019
Experience the thrill of horse racing with AP McCoy: Sporting Legends, a high-volatility slot by Playtech. Featuring 5 reels and 243 ways to win, it offers a 95.03% RTP and impressive 38,396 x bet max wins.
Key features include the Bonus Wheel, awarding up to 1,000 x bet cash prizes, extra free spins, and multipliers up to 49x. The game also boasts 3 progressive jackpots (Daily, Weekly, and Mega) triggered randomly on any spin. For more jackpot games based on sports icons, head to my guide to Sporting Legends slots.
Pragmatic Play has also joined the high volatility scene with its 1000 slots series. Supercharged games like Big Bass Bonanza 1000, Gates of Olympus 1000 and Sugar Rush 1000 build on their original counterparts but add amped-up features and eye-watering win potential. You can expect:
- 10,000 to 25,000 x bet max win potential
- Highly RTP rates
- Updated graphics and mechanics
These slots are perfect for fans of Pragmatic Play who want more risk and more reward.

1000 Slots Series: The Ultimate Guide to Supercharged Spins
Looking to try high volatility games without dipping straight into your bankroll? Many top casinos offer free spins specifically for popular high-variance slots: great for stretching your playtime or testing a new release.
If you take Pragmatic Play’s Big Bass slots series, you’ll find no wagering free spins offers on Big Bass Splash, Big Bass Bonanza, Bigger Bass Bonanza, Big Bass Day at the Races and more (all high variance games). Want more offers? The list of free spins no wagering offers also includes Book of Dead:

Best Free Spins No Wagering Offers December 2025
- Bankroll Management: Set a budget and stick to it. These games can be streaky.
- Try Demos First: Learn the features in demo mode before committing money.
- Look for Free Spins Offers: Boost your play with free spins on high volatility games.
- Use Bonuses Wisely: Some welcome offers let you play these slots with bonus funds.
These slots aren’t for everyone. If you prefer frequent wins, medium or low volatility slot games are better suited. But if you enjoy chasing big wins and don’t mind the risk, high volatility slots deliver excitement like no other.
High Volatility Slots Pros & Cons
There are advantages and disadvantages to playing slot games with higher volatility. Below, I've summed them up for you:
Pros
- Tend to offer much higher max win potential (up to 500,000 x bet)
- The best bonus features and mechanics are found in these games
- Most exciting slot games are higher variance
- Provide a challenge for seasoned players
- 1 lucky spin/bonus feature can result in a huge win
Cons
- Big wins are often few and far between
- High volatility games will give you small wins most of the time
- Sometimes not allowed for bonus offer wagering
Final Thoughts
High volatility slots offer massive potential and thrilling gameplay. Whether you’re a fan of gritty Nolimit City titles or prefer classic style with Book of Dead, there’s something here for every risk-taking player. Always play responsibly and make sure to explore the top slot sites for the best experience.
Read more guides
If you want to learn more about slots, I've created plenty of guides/articles which you may find interesting:

🎰 How to Win at Slots - Slot Game Strategies

UK Slot Game Regulations Explored

Slot Volatility Explained: How Risk Levels Impact Your Slot Play

⏰ When Is the Best Time to Play Slots Online?

Best Progressive Jackpot Slots: How to Win & Real-Time Trackers
FAQs
FAQ
High Volatility Slots FAQs
What does high volatility mean in slots?
High volatility means that the slot game will pay out infrequently but wins tend to be bigger. It is a high-risk genre of slots that can pay out big if you’re lucky.
Are high or low volatility slots better?
Playing high, medium or low volatility slots depends on your preferences as a player. If you’re looking for big payouts, higher variance games will be suitable. If you want smaller and more frequent rewards, low variance games are recommended.
What are the best high volatility slots?
The top high volatility slot games including Play ‘n GO’s Book of Dead, Push Gaming’s Jammin’ Jars, Microgaming’s Immortal Romance and Relax Gaming’s Money Train 4.
What slot game has the highest volatility?
Many Nolimit City slots are classed as ‘extreme’ and ‘insane’ volatility slots. Tombstone Slaughter is their most volatile title (rated 12/10): on the other hand, it offers 500,000 x bet max wins (the highest of any slot game).
Is high volatility good in slots?
High volatility in slot games is good for players who are risk-takers, have larger bankrolls and are willing to play for long periods of time without wins for the chance at a significant payout.
Do high volatility slots guarantee wins?
Winnings can never be guaranteed in slot games. High volatility slots have the potential to dish out huge wins but your chances are slim.



