Double Bubble
Double Bubble is a real cult favourite among UK slot fans, the kind of game that has been around for years and still pulls in players every single day. Originally created by the Gamesys studio, which later rebranded as Roxor and now sits under the Aristocrat portfolio, the slot comes with a clean 5-reel, 3-row layout and 20 paylines, which is a really comfortable number to play with. The volatility sits somewhere in the medium to high range, so the action does not get repetitive at any point. The game does not offer free spins, which is a bit unusual for modern slots, but the two bonus features it brings, the Bubble Line and the Bubble Popper Bonus, make up for it in a pretty big way.
To form a win in the game, you just need to land at least 3 matching symbols on adjacent reels from left to right. With an RTP of 96.02%, which sits right around the industry standard, and a medium-to-high volatility rate, you may possibly see steady payouts with the occasional big hit coming through the bonus rounds. The maximum potential win is a massive 20,000x your bet, which is one of the biggest top prizes you’ll find on a classic-style slot like this.
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Theme, Symbols, Design, and Audio
Double Bubble carries an old-school fruit machine theme, but with a really fresh and bubbly twist on top. The moment you load the game, you are greeted with a bright purple background, cheerful pink lettering, and a bunch of floating bubbles drifting all around the reels. The whole vibe feels like a classic British pub fruit machine, only way more lively and a lot more colourful. It has that comforting nostalgia for players who grew up around fruit machines, but it still looks fresh enough to keep the new generation hooked.
The studio has kept the design really simple here, and that’s where the charm of this slot lies. The symbols sit cleanly on the reels with no clutter around them, and every icon is easy to spot from a distance, which is a real plus when you are playing on mobile. The Double Bubble logo sits proudly as the wild, with its big pink bubble letters, and the rest of the symbols include the Liberty Bell, the Triple Bar, the Double Bar, the Single Bar, and the fruit icons namely the plum, the orange, the grapes, the watermelon, and the cherry. The bonus bubble symbol is the one you’ll want to keep an eye out for, since it carries the key to the most exciting feature of the game.
The background music is a soft, jazzy little loop with a relaxed bubblegum feel to it, and it never gets in the way of your gameplay. The sound effects, especially the satisfying pop you hear when a bubble lands, are quite addictive after a while. You can also explore more online slots of a similar style at Fortune Mobile Casino.
Symbols and Paytable
Like most classic-style slots, the symbols in Double Bubble are inspired by traditional fruit machine icons, with a few modern touches thrown in. The high-paying symbols include the Double Bubble logo, the Liberty Bell, and the three BAR variants, namely the Triple Bar, the Double Bar, and the Single Bar. The mid-paying symbols are the plum and the orange, while the low-paying ones are the fruit icons, namely the grapes, the watermelon, and the cherry.
The Double Bubble logo is the highest paying icon in the base game, and landing a 5-of-a-kind combo of this symbol holds the potential to deliver the top prize of 20,000x your line bet, which is one of the biggest base game prizes available. The Liberty Bell and the three BAR variants come in next, which is a really nice old-school nod, since these symbols have always been the staples of classic fruit machines for generations. The Wild substitutes for all paying symbols except the Bonus Bubble, and any win that is formed with the help of a Wild gets doubled completely, which is a really sweet little touch and a major reason why this slot pays so well at times.
| Symbols | 5x | 4x | 3x |
| Double Bubble Logo | 20000 | 500 | 100 |
| Liberty Bell | 500 | 200 | 50 |
| Triple Bar | 500 | 100 | 25 |
| Double Bar | 500 | 50 | 20 |
| Single Bar | 500 | 50 | 20 |
| Plum | 200 | 20 | 10 |
| Orange | 200 | 20 | 10 |
| Grapes | 100 | 20 | 5 |
| Watermelon | 100 | 20 | 5 |
| Cherry | 100 | 20 | 5 |
Gameplay and Special Features Of Double Bubble
The base gameplay of Double Bubble is as simple as it gets. You must form a winning combination of matching symbols on the reels to bag wins. The grid is built on 5 reels, 3 rows, and 20 paylines, which can be adjusted as per your preference. To land a win, you need 3 or more matching symbols on consecutive reels, starting from the leftmost reel and moving right. The bet range goes from £0.20 to £100 per spin, which makes it a comfortable fit for casual players and high rollers alike.
While the base game is straightforward, the special features are what really turn Double Bubble into something fun and rewarding. There are no free spins in this game, which is something you may not expect from a slot of this era, but the two bonus mechanics it offers more than make up for that gap. To know more about how bonus rounds work in general across other slots, you can have a quick look at the ultimate guide to free spins bonuses for some extra context before you start. The two main features in Double Bubble are the Bubble Line and the Bubble Popper Bonus. Read on to know more about each of these.
Bubble Line
The Bubble Line is a really clever little feature that adds a fresh layer of excitement to every spin. On any given spin, certain symbols may land inside a bubble. When that happens, those symbols are placed on the Bubble Line, and any win formed along that line gets multiplied by the number of paylines you have active at that moment. So if you are playing with 10 paylines and you land a Bubble Line win, that win gets a 10x multiplier. If you are playing all 20 paylines, the multiplier gets bumped up even further to a generous 22x, which can really stretch your wins in a big way. It’s a sneaky way of pushing players to bet on more paylines, and honestly, it works because the rewards do feel worth it.
Bubble Popper Bonus
The Bubble Popper Bonus is hands down the most fun feature in the entire game, and it’s also where most of the bigger wins come from. To activate the bonus, you must land 3 or more Bonus Bubble symbols anywhere on reels 1, 3, and 5. Once it triggers, you are taken to a separate screen filled with a bunch of floating bubbles, and your job is to simply pop them one by one. Each bubble you pop reveals a cash prize, and you keep popping until you reveal the “Collect” symbol, at which point your total winnings from that round are added to your balance. It’s a pick-me style bonus with a really satisfying feel to it, especially with that bubble-pop sound that goes off every time. The prizes you can grab here are quite chunky, and on a really good run, this is where players walk away with the bigger payouts of their session.
RTP and Volatility
RTP refers to the wager amount returned to players by the game over a long period of time. Double Bubble comes with an RTP of 96.02%, which sits right around the industry average of 96% and is one of the reasons this slot has stayed so popular over the years. This is a theoretical value calculated after millions of spins; the return is not guaranteed on a single session. Short term results may always vary, depending entirely on player luck and the volatility of the game. For more on this, you can read about what RTP actually means before placing your bets.
The slot offers a medium-to-high volatility rate, which means the wins do not come as frequently as they would in a low-volatility slot, but when they do hit, they tend to be a lot more rewarding. Players who don’t mind a few dry spins in exchange for the chance at a bigger payout would really enjoy what this game has to offer. The Bubble Popper Bonus and the Bubble Line multipliers are the two main ways the bigger wins land, and they make the wait feel completely worth it.
How To Play Double Bubble
The game features a clean, no-fuss layout that fits perfectly with the classic theme of the slot. Everything is laid out neatly on the screen, so even players who are completely new to slots won’t have a hard time finding their way around. To access the information regarding the special features, symbols, paytable, and rules, click the i icon found in the bottom corner of the screen.
Right next to the i icon, there is a settings button, which lets you adjust the sound, the music, and the autoplay options. The large round spin button sits in the middle of the bottom panel. Just click it, and the reels will start spinning. The + and – buttons flanking the spin button allow you to adjust the bet amount, anywhere from £0.20 to £100. The number of active paylines can also be adjusted from 1 to 20, though we always recommend playing the full 20 lines to take full advantage of the Bubble Line multiplier. The credit and bet amounts are displayed below the grid for your reference at any point.
That’s it! Isn’t that really simple?
Start Your Journey at Fortune Mobile Casino With Double Bubble
To access Double Bubble at Fortune Mobile Casino, you must first register on our platform. The process is simple and won’t take more than a few minutes:
- Start by clicking the register/sign-in button found on the homepage.
- Fill in the details requested, such as your name, address, and area of residence.
- Fortune Mobile Casino offers many payment services for your convenience. Choose one and then make your deposit.
- Once done, verify the processing of your deposit from the message sent by your bank.
- That’s it! Search for your favourite game and start playing right away!
You can also browse our new games and popular games to discover more titles worth your time.
Double Bubble Is Available On Mobile
Do you prefer mobile gaming? Well then, you are in luck! Double Bubble is fully optimised for mobile devices. You can enjoy a smooth gameplay session right from your phone, whether you are sitting at home, travelling on the train, or just on a quick break at work. The mobile interface is quick to load and easy to navigate, with the touchscreen controls feeling really responsive. The classic style of this slot actually works really well on a smaller screen, since the symbols are big and clean, and the bubble-pop animation looks just as satisfying on a phone as it does on a desktop.
More Games by Aristocrat
The studio behind Double Bubble, originally Gamesys and now part of Aristocrat (via the Roxor Gaming rebrand), is one of the most respected names in the UK online slot industry, with a portfolio full of fun, easy-to-play titles that have stood the test of time. Most of their games come with a familiar British charm and a cheerful, light-hearted feel, which is exactly what keeps players coming back to them year after year. Some other popular titles from the same studio are: Tiki Island, Secrets of the Phoenix, Paper Wins, Wonderland, and Houdini. If you enjoyed Double Bubble, the rest of their catalogue is well worth a look.
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