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Double Bubble Slot Review - The Classic Slot Game That Pays Double

Today, we're bubbling with excitement to share our comprehensive review of a true online casino classic: the Double Bubble slot. We've spun the reels, popped the bubbles, and delved deep into its mechanics to bring you everything you need to know. From how to play Double Bubble slot to uncovering the best Double Bubble slot tips and Double Bubble slot strategies, we've got you covered.

Dean McHugh
Dean McHugh

Last updated: 2025-09-26

Chad Nagel

6 minutes read

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Double Bubble slot
  • Casino and sports bonuses
  • Quick qualification process
  • Full T&Cs apply 18+

    18+. UK First Depositing Players Only. Opt-in required. First Deposit of £10 or more to qualify. Deposit Bonus to be used in specific games only. Bonus credited upon deposit. Bonus expires after 72 hours. Extra Spins credited in: Book of Dead. Wagering Requirement: 30x. Spins expire after 24 hours. Value per spin £0.10. Promotion available for 72 hours. T&C's Apply

  • fast withdrawals
  • Low deposit options
  • Full T&Cs apply 18+

    #Ad. New players only. Wager from real balance first. 50x wager of bonus. Selected games only. Bonus valid for 30 days. Free spins valid for 7 days. Max conversion 3x bonus. Bonus excludes skrill and neteller deposits. Full terms and conditions apply

  • Sportsbook and casino in one
  • User friendly mobile platform
  • Full T&Cs apply 18+

    New players only | No restrictions while playing with cash | Min. refund bonus is £10 | Wagering on bonus is 60x | Bonus based on 1st deposit lost | Max bet with bonus is £5 | Skrill and Neteller excluded |

    What is Double Bubble?

    Double Bubble is a bright, cheerful, and incredibly engaging online slot game developed by Roxor Gaming (formerly GameSys). It stands out with its fun, bubble-themed aesthetic, featuring a vibrant colour scheme dominated by blues, pinks, and yellows. 

    Part of its enduring appeal lies in its simplicity. It doesn't rely on overly complex mechanics or bewildering bonus rounds. Instead, it offers a refreshing take on traditional slots, blending nostalgic charm with modern features. 

    Key Features and Technical Specs

    Let's get down to the brass tacks and explore what makes Double Bubble tick under the hood:

    Aspect Double Bubble
    Game Type Video Slot
    Developer   Roxor Gaming
    Release Date  Aug 2006
    Platforms  Desktop / Mobile / Tablet 
    RTP   96.02%
    Volatility  Medium
    Minimum Bet  £0.20
    Maximum Bet  £200
    Max Payout  20,000X
    Hit Frequency  Unknown 
    Free Spins Yes
    Features  Wilds, Bonus Round, Multipliers, Scatters
    Jackpot Type Fixed
    Licensing Authority UK Gambling Commission 
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    How to Play Double Bubble Slot

    Playing Double Bubble is refreshingly simple, making it perfect for both newcomers and seasoned players. Here’s our step-by-step guide on how to play Double Bubble slot:

    1. 1

      Set Your Bet: Before you spin, you’ll need to decide on your stake. Look for the "Coin Size" or "+/-" buttons, usually located at the bottom of the game screen. You can adjust your bet per line, and since there are 20 fixed paylines, your total bet will be your chosen coin size multiplied by 20. We always recommend starting with a bet size that fits comfortably within your budget.

      Double Bubble Slot Playing Guide

      Double Bubble Slot Playing Guide

    2. 2

      Understand the Paytable: We highly advise checking the game's paytable (accessed via an "Info" or "i" button). This will show you the value of each symbol, how the paylines work, and details about the bonus features. Knowing what you're aiming for makes the game much more enjoyable!

      Double Bubble Slot Playing Guide

      Double Bubble Slot Playing Guide

    3. 3

      Spin the Reels: Once your bet is set, hit the "Spin" button. The reels will whir, and symbols will land. If you land three or more matching symbols on an active payline from left to right, you've got a win!

      Double Bubble Slot Playing Guide

      Double Bubble Slot Playing Guide

    Tips & Strategies for Double Bubble Slot

    While slots are primarily games of chance, we can offer a few Double Bubble slot tips and Double Bubble slot strategies to enhance your experience and manage your gameplay:

    Tips & Strategies for Double Bubble Slot.png

    Tips & Strategies for Double Bubble Slot

    1. Manage Your Bankroll Wisely: This is our golden rule for any slot game. Decide on a budget before you start playing and stick to it. Never chase losses, and know when to walk away.

    2. Understand the RTP: As we mentioned, the Double Bubble slot RTP is favourable. This means it generally pays out a decent percentage over time, but remember that short-term results can be unpredictable. Don't expect to win on every spin, or even every session.

    3. Aim for the Bonus Round: The "Bubble Bonus" is where the biggest wins often lie. While you can't force it, understanding that landing three bonus symbols on a payline is your goal for a significant payout can help you appreciate the anticipation.

    4. Play Responsibly: Set time limits for your sessions. It's easy to lose track of time when you're having fun, but responsible gaming ensures it remains an enjoyable hobby.

    The term ‘Double Bubble’, is almost 100 years old and comes from an American chewing gum manufacturer.

    Double Bubble Slot Bonuses

    When we're looking to play Double Bubble, we always keep an eye out for generous casino slot bonuses. These can significantly extend your playing time and increase your chances of hitting a win without dipping further into your own pocket.

    Welcome Bonuses: Most casinos offer a welcome bonus for new players, often a match deposit bonus (e.g., 100% up to £100). This means if you deposit £50, the casino gives you an extra £50 to play with.

    Free Spins Promotions: Look for casinos that offer Double Bubble slot free spins as part of their promotions. These are a fantastic way to try the game or get extra chances to win without risking your own money.

    No-Deposit Bonuses: Sometimes, casinos offer a small bonus or a few free spins just for signing up, with no deposit required. These are rare but excellent for trying out a game like Double Bubble.

    Always remember to read the terms and conditions associated with any bonus. Pay close attention to wagering requirements, game restrictions, and expiry dates to ensure you can make the most of the offer.

    Demo Mode vs Real Money Mode

    Double Bubble offers the flexibility of both Double Bubble slot demo mode and real money play, and we highly recommend utilizing both!

    Demo Mode

    This is your playground! In Double Bubble slot demo mode, you can play the game using virtual credits, meaning no real money is involved. This is perfect for:

    Learning the Ropes: Getting familiar with the game's mechanics, symbols, and bonus features without any financial risk.

    Testing Strategies: While not complex, you can try different betting patterns to see how they feel.

    Pure Fun: Sometimes, you just want to spin the reels for enjoyment without the pressure of winning or losing.

    Real Money Mode

    Once you feel confident and understand the game, switching to real money mode offers the thrilling possibility of winning actual cash prizes. This is where the Double Bubble slot jackpot (meaning the maximum win potential) can become a reality for you. The excitement of landing the Bubble Bonus or a big win on the Bubble Line is truly exhilarating when there's real money at stake.

    We often use the demo mode to warm up or just for a quick, stress-free session, before switching to real money play when we're in the mood for some genuine winning action.

    Final Thoughts

    The Double Bubble slot has truly earned its place as a classic in the online casino world. Its vibrant theme, straightforward gameplay, and unique features like the Bubble Line and the rewarding Bubble Bonus make it an incredibly enjoyable experience. The solid Double Bubble slot RTP means it offers fair play over the long run, and its accessibility makes it a hit with a wide range of players.

    While it might not boast cutting-edge 3D graphics or a multitude of complex bonus rounds, its charm lies in its simplicity and the consistent fun it delivers. We highly recommend giving Double Bubble a spin; it’s a feel-good game that consistently offers good times and the potential for some bubbly big wins!

    Pros

  • Simple Gameplay

  • Suitable For All Budgets

  • Large Top Prize

  • Cons

  • Basic Graphics 

  • If You Like Double Bubble Try Starburst

    If you've enjoyed the simplicity, vibrant colours, and straightforward fun of Double Bubble, we're confident you'll also appreciate another all-time classic: Starburst Slot by NetEnt.

    Starburst shares Double Bubble's appeal through its simple 5-reel, 3-row, 10-payline setup (which pays both ways!), dazzling gemstone theme, and iconic expanding Wilds with re-spins. Like Double Bubble, it's easy to pick up but offers immense replayability and exciting win potential. It's often hailed as one of the most popular slots globally, and for good reason! So, if you're looking for another reliable and fun slot experience, Starburst is definitely worth a try.

    FAQs

    What is the RTP of Double Bubble Slot?

    The RTP is 96.02%.

    How much can I win playing Double Bubble slot?

    The top prize is a staggering 20,000 times your stake.

    What are the minimum and maximum bets for Double Bubble Slot?

    The minimum bet is £0.20 and the maximum is £200.

    Dean McHugh
    Dean McHughSports & Casino Betting Writer

    My name is Dean, AKA The Stat Man. I am a Sports Betting Analyst who uses math, algorithms, probability and logic to create my posts. I live in the UK, on the outskirts of London but my background and heritage is Irish. I'm an avid Manchester United fan who sees following them as a religion. Sport is pretty much my life, as I live and breathe it daily. If there is something I don't know, it's probably not worth knowing as I have over 20 years industry experience and insight.