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Play the Double Bubble Demo
By Aristocrat Interactive
Double Bubble looks like an old-school fruit slot, but its bonus rounds give the game more weight than the simple design suggests. Our team tested how it plays in practice and looked at why its high volatility and bet setup matter before the money is involved. On this page, you can try Double Bubble demo mode, check casino options, review possible bonuses, and see how the main features work.
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Basic info
First Glance
When you first open Double Bubble, it’s immediately obvious that this is a retro fruit slot that was released back in 2006. It’s now associated with Aristocrat Interactive, although its history of slot providers goes back even further. The game can be traced back to Gamesys, later Roxor Gaming, with Aristocrat now linked through a wider interactive content division.
This slot reminds us of classic British fruit machines. The usual symbols like cherries, stripes and sevens, as well as bubble graphics, bright colours. Nothing out of the ordinary.
The animation here is very short and functional. And the sounds, as in all fruit machines, are in keeping with their theme. However, they can be annoying if you keep pressing the same buttons.
Compared to the more recent Double Bubble titles, this online slot is much simpler, easier to read, and has much more emphasis on the classic slot machine look.
Mechanics and Key Game Elements
The Double Bubble slot retains the classic fruit theme. The main difference is that it focuses more on bonus games than on standard payline wins. The Bubble Line and Bubble Popper features add excitement to the game, and the familiar fruit symbols, BAR, and 7 make it easy to understand from the very first spin.
Symbols
The symbols were quick to read for us. That helps when you want to test the game and build a simple strategy. Here are the main symbols of this game:
- Low-value symbols: Cherries, grapes, oranges, plums, watermelons
- High-value symbols: Red BAR, double BAR, triple BAR, gold bell, Super 7
- Special symbols: Wild logo, Bonus/Scatter bubble, Bubble Line symbols
The symbols are easy to read, but the game doesn’t look modern. It feels like a classic fruit slot, but the Bubble Line adds a bit more purpose to the wins.
Jordan Conroy Editor
Bonus Features
Now, let’s talk about the game’s main features.
One of the most important is the wild symbol. It is depicted under the Double Bubble logo. It replaces regular symbols to help form a payout. However, it does not replace bonus symbols.
There is also a bonus symbol that activates the Bubble Popper round. It usually selects three bonus symbols on reels 1, 3 and 5, which also opens a cash prize.
The main additional feature is the Bubble Line, where symbols fall from the reel onto it and provide a payout if a winning combination is formed, multiplied by the number of active lines. When the number of active paylines is twenty, the Bubble Line payout multiplier can reach x22.
You will not find the traditional free spins feature here. After all, the main focus is on the Bubble Popper and the Bubble Line. Such a configuration helps increase the max win while maintaining the slot’s volatility.
Below is the working pay table for the Double Bubble slot game.
| Symbol | 5 symbols | 4 symbols | 3 symbols | 2 symbols |
|---|---|---|---|---|
| Double Bubble logo Wild | 20,000x | 500x | 100x | 20x |
| Super 7 | 500x | 200x | 50x | 5x |
| Gold bell | 500x | 200x | 25x | 2x |
| Triple BAR | 500x | 100x | 25x | 2x |
| Double BAR | 500x | 50x | 20x | — |
| Single BAR | 500x | 50x | 20x | — |
| Plum | 200x | 20x | 10x | — |
| Orange | 200x | 20x | 10x | — |
| Grapes | 100x | 20x | 5x | — |
| Watermelon | 100x | 20x | 5x | — |
| Cherries | 100x | 20x | 5x | — |
Double Bubble pay table
With the pay table clear, how to play Double Bubble comes down to lines, stakes, and bonus triggers.
Gameplay
The Double Bubble slot machine has a 5×3 grid and 20 active betting lines. The game offers two modes, which either let you choose your active lines or maintain all 20 lines. Check the info menu before you play Double Bubble slot.
The most common RTP value for this online slot is 96.02%. The game has high volatility according to most slot sites. The player interface of many game versions allows you to choose your coin value, active lines and total stake amount.
The control panel usually places spin, bet settings, sound, and game info near the reels. The pay table and RTP should be inside the info menu. You should not expect autoplay at licensed UK casinos, as automated spins are no longer allowed for online slots.
I found the controls clear and quick to use. The line and coin settings need checking before play, as different versions may use different bet menus.
Jordan Conroy Editor
The Double Bubble slot demo may be available on our page through the “Play for fun” button. We will continue to add demo slot versions of Double Bubble as allowed by law. If Double Bubble free play is not shown on our page, feel free to visit one of the casinos at the bottom of the screen to play for real money and be eligible for a bonus if available, including no deposit bonuses.
Bonus Test Notes
Our expert found that Double Bubble puts most of its value in bonus triggers rather than frequent line wins. In this section, he shares real feedback on gameplay and bonuses from a short test.
I’d not treat Double Bubble as a free spins online slot. The main bonus focus is the Bubble Line and Bubble Popper, where bubbled symbols can move to the extra line and three Bonus symbols on reels 1, 3, and 5 open a pick round. The Wild logo helps regular wins connect, but the high volatility means I would try free play first. For Double Bubble demo free access, check Gamblizard for demo mode before moving to cash play.
Jordan Conroy Editor
Our Verdict
If you like traditional fruit slot machines but want additional features beyond simple line wins, we think Double Bubble is a great choice. Before starting your game, it should be noted that Double Bubble relies heavily on the Bubble Line multipliers and the Bubble Popper pick round. That means most of the fun will come from triggering bonuses, rather than receiving lots of small wins during play.
Here are the pros and cons:
- Pros:
- Classic fruit slot style that is easy to understand
- Bubble Line adds more value than standard line wins
- 96.02% RTP is decent if the casino uses this version
- Demo mode is useful because the game has high volatility
- Cons:
- No traditional free spins feature
- Bonus results may take time because of high volatility
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Jordan Conroy 

