Best Big Time Gaming Slots, Casinos & Free Demos
Since launching in 2011, Big Time Gaming (BTG) has earned its place as one of the most innovative slot providers for UK players, mostly through the Megaways system. Let’s take a look at some of Big Time Gaming’s best slots, how you can try them, and where you can play for real.
Best Big Time Gaming UK Casinos
With the invention of the Megaways and Megapays systems, Big Time Gaming slots are featured in most of the best online casinos in the UK. If you don’t want where to look, here are three UK-friendly operators for you to visit and play the best BTG slots:
See the key factors behind the iGN Rating for PlayOJO Casino:
- Safety Index = Excellent – PlayOJO ensures player safety with strong SSL encryption, a dedicated “Safer Gambling” section, and tools like Safe Mate, which tracks gambling habits and offers personalized tips. Additional features include child protection tools and playtime limit options, reinforcing its commitment to responsible gaming.
- Advantages: No wagering on bonuses, an extensive selection of over 5,000 games, daily Kickers promotions, and a comprehensive safer gambling section.
- Disadvantages: Limited table and live game options, and no deposit-matching welcome bonus.
Minimum deposit: £10
General number of games: 5000
Payment speed: up to 2 days
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80 Free Spins (no wagering)
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See the key factors behind the iGN Rating for Leo Vegas Casino:
- Safety Index = Excellent – LeoVegas is fully licensed by the UKGC and MGA, ensuring strong security through SSL encryption, a thorough KYC process, and regular independent audits. With responsible gambling tools and 24/7 support, it stands out as one of the safest online casinos for UK players.
- Advantages: Over 4,000 high-quality games, a multi-award-winning brand since 2012, 24/7 live chat support, and access to the exclusive £20M+ LeoJackpot.
- Disadvantages: Limited payment options compared to competitors, no loyalty programme for UK players, and no phone support available.
Minimum deposit: £10
General number of games: 4000
Payment speed: Instant to 5 days
Free spins: 50 Free Spins
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See the key factors behind the iGN Rating for Grosvenor Casino:
- Safety Index = Excellent – Grosvenor Casino is fully licensed by the UKGC, adheres to eCOGRA standards, and provides robust responsible gambling tools. With top-tier security measures in place, it stands out as one of the safest online casinos.
- Advantages: The low £5 minimum deposit (except for PayPal), a wide range of promotions including live dealer offers, exclusive live games streamed from Grosvenor’s land-based casinos, and a strong reputation as a trusted UK brand since 1970.
- Disadvantages: Limited withdrawal options with only four available, Live Chat support restricted to 07:00 – 22:30, and a relatively modest welcome bonus capped at £30.
Minimum deposit: £5
General number of games: 1000
Payment speed: Instant to 3 days
Free spins: 100 Free Spins
No deposit bonus: Grand Prize Wheel
Play with £50 when you deposit £20 +100 FREE SPINS
Top 10 Big Time Gaming Slots Online
Here are the 10 best slots from Big Time Gaming, ranked by our experts:
| BTG Slot Name | RTP | Max. Win | Where to Play |
| Monopoly Megaways | 96.50% | 14,700x | Play at PlayOJO |
| Bonanza Megaways | 96% | 26,000x | Play at LeoVegas |
| Extra Chilli Megaways | 96.82% | 20,000x | Play at PlayOJO |
| Lil Devil | 96.43% | 50,000x | Play at NetBet |
| Danger High Voltage | 95.67% | 10,800x | Play at PlayOJO |
| Big Bucks Deluxe | 96.28% | 89,600x | Play at Grosvenor |
| White Rabbit Megaways | 97.24% | 17,420x | Play at 7bet |
| Max Megaways | 96.37% | 139,030x | Play at LeoVegas |
| Millionaire Megaways | 96.32% | 20,000x | Play at BetMGM |
| Castle of Terror 2 | 96.48% | 20,160x | Play at Grosvenor |
1. Monopoly Megaways
🎰 Play Demo & Read Full Review
This slot combines the classic board game feel of Monopoly with BTG’s Megaways engine. You can hit up to 117,649 ways to win, and the RTP sits at 96.50%. Features like the “Reel Adventure” board tracking Mr Monopoly around squares (GO, Utilities, Railways) add a strategic aspect to the game. Combined with a medium-high volatility, Monopoly Megaways offers a fresh vision on online slots. In our opinion, that’s BTG’s best title!
Key Features:
- 96.50% RTP – High Volatility
- Official Monopoly-themed slot
- 117,649 ways to win
- Property collection and free spins with unlimited multipliers
2. Bonanza Megaways
🎰 Play Demo & Read Full Review
One of the earliest and most iconic Megaways games, Bonanza offers up to 117,649 ways to win and features cascading wins, “GOLD” letters triggering bonuses, and lots of action. For UK players, it remains a reference for high volatility, big potential wins and that goldmine theme.
Key Features:
- 96.00% RTP – High Volatility
- Iconic Megaways slot by Big Time Gaming
- Cascading wins
- Free Spins with win multipliers
3. Extra Chilli Megaways
🎰 Play Demo & Read Full Review
Following the Megaways format, Extra Chilli adds spicy visuals, high volatility and features like free spins and multipliers. The RTP for this one is 96.19%, right above the 96% standard. The theme is fun, easy to pick up and the bonus feature gives an extra dimension compared with some standard reels.
Key Features:
- 96.82% RTP – High Volatility
- Mexican street market theme
- Free Spins with unlimited multipliers
- Gamble feature for bigger rewards
4. Lil’ Devil
🎰 Play Demo & Read Full Review
This slot deviates a little from the pure Megaways format (it uses 4,096-ways and 6 reels) but keeps the BTG signature of high volatility and layered feature choice. Features include dual free spin modes (“Be My Angel” sticky wilds vs “Dynamite Lover” cascading multipliers) and a “Heartstopper” enhanced mode. Vibrant theme, rock-inspired visuals, and a high-risk, high-reward gameplay!
Key Features:
- 96.43% RTP – High Volatility
- Angel vs. Devil theme with iconic soundtrack
- Two Free Spins features plus Heartstopper Enhanced Spins
- 50,000x max win
5. Danger High Voltage
🎰 Play Demo & Read Full Review
A slot with 4,096 ways to win, stacked wild multipliers, two free spin bonus types, and jackpot tiers. The RTP is quite low, at 95.67%, which is a bit disappointing, especially since it’s combined with high volatility. The two bonuses, Gates of Hell Free Spins with sticky wilds or High Voltage Free Spins with up to a 66x multiplier, make up for that RTP.
Key Features:
- 95.67% RTP – High Volatility
- High-energy visuals and soundtrack
- Two free spins bonuses with sticky wilds and multipliers
- Max win potential of 10,800x your bet
6. Big Bucks Deluxe
🎰 Play Demo & Read Full Review
Big Time Gaming’s Big Bucks Deluxe brings out the bling side of traditional slot machines, mixed with tons of features . This high-volatility slot offers a 96.28% RTP and the potential to win up to a huge 89,600x your stake. Expect the trademark BTG signature, from cascading wins and vibrant visuals to feature-packed free spins, all wrapped in a classic money-themed design that keeps every spin exciting and rewarding.
Key Features:
- 96.28% RTP – High Volatility
- Classic money and luxury theme
- Max win potential of 89,600x your stake
- Cascading wins and feature-rich bonus rounds
New Big Time Slots Releases
Here are the latest releases from the BTG slots catalogue:
| BTG Slot Name | RTP | Volatility | Max. Win | Release Date |
|---|---|---|---|---|
| Castle of Terror 2 | 96.48% | High | 20,160x | 16/10/2025 |
| Star Clusters 2 | 96.83% | High | 34,500x | 03/09/2025 |
| Bonanza Tapcards | 96,45% | High | 25,000x | 03/07/2025 |
| Extra Chilli Tapcards | 96.45% | High | 25,000x | 01/07/2025 |
| Millionaire Tapcards | 96.45% | High | 25,000x | 25/06/2025 |
Big Time Gaming Megaways Slots
Big Time Gaming completely redefined online slots with its groundbreaking Megaways mechanic, which offers up to 117,649 ways to win. Every spin changes the reel layout, giving you a dynamic, unpredictable game experience that feels fresh each time. Slots like Monopoly Megaways are some of the best online games for UK players, showcasing the system at its best: fast-paced, full of potential, and loaded with cascading reels and multipliers.
What’s made BTG’s Megaways slots so iconic is that they combine this mechanic with inventive themes and high volatility, ensuring every spin can go from modest to massive in seconds. It’s no exaggeration to say Megaways reshaped modern slot gaming. Some of the most popular Megaways games include:
- Monopoly Megaways
- Bonanza Megaways
- Extra Chilli Megaways
- Who Wants to Be a Millionaire Megaways
- Temple Quest Megaways
Big Time Gaming’s Megapays Slots
Following the success of Megaways, Big Time Gaming took things one step further with Megapays, a progressive jackpot system that adds an extra layer of excitement to some of its biggest titles.
These slots, such as Danger High Voltage Megapays and Bonanza Megapays, keep all the trademark features of the originals but add four jackpot tiers: Mini, Midi, Major, and Mega. Each spin has the potential to trigger one of these life-changing prizes, making every round even more thrilling. Megapays successfully blends the unpredictability of Megaways with the universal appeal of jackpots, cementing BTG’s reputation as one of the most innovative developers in the industry. Popular Megapays games include:
- Bonanza Megapays
- Who Wants to Be a Millionaire Megapays
- Star Clusters Megapays
- Danger High Voltage Megapays
About Big Time Gaming
Big Time Gaming was founded in 2011 in Sydney, Australia, and quickly established itself as one of the most innovative names in online slot development. Known for pioneering the revolutionary Megaways mechanic, BTG transformed modern slot gameplay and inspired countless collaborations across the industry. In 2021, the studio was acquired by Evolution, joining a powerhouse group alongside NetEnt and Red Tiger.
Here is some key information about Big Time Gaming:
| Founded | 2011 |
| Headquarters | Australia |
| Licensed | UK Gambling Commission, Malta Gaming Authority, Alderney Gambling Control Commission, eCOGRA |
| Games | Slots, Tapcards |
| Countries | Global distribution via operator network (details not publicly broken down) |
| Operators | 350+ operators worldwide |
| Markets | Regulated online casino markets (UK, Europe) and growing worldwide |
| Known For | – Innovative gameplay mechanics, including the Megaways system – High volatility slots |
Awards & Nominations
Big Time Gaming is a global force, and the creation of the Megaways system gave it a nice place among top slots providers. But its award list doesn’t really showcase that influence. The developer has been nominated quite a few times, but we couldn’t find traces of wins during our research. Here are a few nominations the provider received in the past few years:
| Year | Award/Nomination | Category |
|---|---|---|
| 2025 | Shortlisted | Kongebonus Awards – Best Sequ‑uib Slot for Danger High Voltage 2 (BTG) nomination. |
| 2024 | Shortlisted | SBC Awards – Casino/Slots Developer of the Year (Large) – BTG listed among a shortlist of large‑studios. |
| 2023 | Nominated | Bigwinboard Awards – Provider of the Year 2023 – BTG was in the running. |
| 2022 | Nominated | Bigwinboard Awards – Provider of the Year 2022 – BTG received ~6.59% votes. |
Other Slots Providers
If you’re a fan of Big Time Gaming online slots, here are some other providers you might like.
Play'n GO
Pragmatic Play
Relax Gaming
Blueprint Gaming
Big Time Gaming Slots FAQs
Who owns Big Time Gaming?
Big Time Gaming is privately held. It was founded by Nik Robinson in 2011 and has grown through partnerships and acquisition (by Evolution Gaming) while maintaining its own studio.
Is Big Time Gaming licensed in the UK?
Yes, their games appear at UK-licensed casinos under the regulation of the UK Gambling Commission via the operator’s licence.
What are the typical RTPs for Big Time Gaming slots?
Many Big Time Gaming titles carry RTPs around the 96% mark or slightly above, with some titles reaching 96.5%+.
Do Big Time Gaming slots have high volatility?
BTG is known for high volatility and large payout potential. Features like the Megaways system, cascading wins, and multipliers all contribute to higher risk/higher reward profiles.