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Double Bubble Jackpot Slot

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Double Bubble Jackpot is an online slot created by GameSys that is a sequel to Double Bubble. The new version of the game offers progressive jackpots, along with a free-spins feature, a...nd there are five reels, three rows and 20 fixed paylines like the original.

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The Double Bubble Jackpot™ trademark is owned by Gamesys. The use of this trademark on this website does not imply any endorsement of this website by the trademark owners. The demo link to this game is solely for reference and to accompany the review. The game link is from an external source and is not hosted by this website.


This 5-reel, 20 payline slot combines both modern and classic features to great effect, but it isn’t just the colourful and well presented graphics, flexible wagering options or 96%+ RTP that deserve a shout out, as there are also plenty of fabulous bonus options which can help boost winnings in a slot which is already more than averagely generous in its base game.

When you launch Double Bubble Jackpot, the first images you see are definitely striking. The pale green background is smattered with huge bubbles, but look closer and you will see a fair bit of pipework and some clouds too. It’s a little eccentric, which adds to the charm. Perhaps this the invention of a scientist who has been banished to the boiler room? If that’s the case,

How to play Double Bubble Jackpot

Double Bubble Jackpot is designed to let players just load it up and get playing, but before your finger can hover over that spin button, there’s the small but crucial matter of setting up the game to suit your preferences and budget.


Unlike many slots these days, there are no fixed paylines in place here, so as the player, you have total control over the number you choose. The game will load at the maximum level, which is 20, so if you make no changes, that will be your start point. However, there is the option to click the negative button and drop down one at a time until the lowest number, which is 1. Of course, choosing to stick with 20 gives you the best chance of winning, and in many ways, it makes more sense to play all 20 lines and up the ante via the wagering button instead.

Betting Options

Next up is the stake - you will probably find that 0.5 is the default for this, but you can drop to 0.01 if you wish, just click on the minus sign next to the coin value button. If you want to go the other way and splash a bit more cash, each click of the plus sign will see your wager jump in stages. Currently these are from 0.01 to 0.02, 0.05, 0.10, 0.20, 0.50, 1, 2, 5. With each spin, the figure you went with will be multiplied by the number of paylines you chose to play to calculate the total bet that time.

You win when at least three matching symbols land on the same payline, although there are also a few bonus options which can boost your chances and the rewards for winning.

Double Bubble Jackpot Slot

Double Bubble Jackpot slot graphics

Every visual aspect of Double Bubble Jackpot is amazing, from the surreal opening scene blending fluffy clouds and industrial pipes to the brightly coloured fruit icons scattered across the reels. This is retro artwork at its very best, retaining the feel of the original slots while at the same allowing it to hold its own against the modern graphics so many players have come to expect.


Let’s look in more detail at the symbols you will come across on the Double Bubble Jackpot reels. As you’d expect, they are all mainly based around the original or traditional icons of fruits and bars, and the designer has managed to very cleverly retain that classic look for each. For the fruit, we have a luscious yellow lemon, a shiny purple plum, an orange, a small bunch of cherries, a larger bunch of dark purple grapes and half a juicy watermelon that looks good enough to eat.

Then there’s the bars, with the single bar being coloured pink, the double bar light blue, and the triple bar green. Making up the numbers are the BONUS, the lucky/super 7 icon and of course, the game’s namesake - the Double Bubble Jackpot symbol.

What is the RTP of Double Bubble Jackpot?

Double Bubble Jackpot has an RTP of 96.2%, which is slightly higher than the average figure for slots, which is around 95%. This means that on average, someone wagering a total of 100 coins would end up with 96.20 coins.

How to win at Double Bubble Jackpot slots

There are no magic tricks or hacks to share to increase your chances of winning at Double Bubble Jackpot, and anyhow, you already know that the odds are better than with most slots, and the payouts are decent too. Winning is always more likely when you play regularly, and of course, you boost those odds when you increase the amount wagered per payline, or the number of paylines activated with each spin.

Other than that, winning is dependent on how you do with bonus games and options. Let’s look at what Double Bubble Jackpot offers in that department.

Bonus Round

The game’s namesake logo acts as the wild, helpfully substituting itself for any of the other symbols except the Double Bubble BONUS. The Bubble Popper bonus is all yours whenever the icon appears on the odd numbered reels - one, three or five.

This opens up a special screen featuring several lovely bubbles, and all the player has to do is choose one. Each bubble contains a unique bonus multiplier, which is revealed once a bubble is chosen, and this is multiplied by the coins wagered. So those who went higher benefit greatly at points like this.

Double Bubble Jackpot slot bonus features

Players can’t help but love the major jackpot bonus feature - known as the Double Bubble Bonus Game. To trigger this fun reward, simply get a bonus symbol to show on reel 1, 3, or 5. When that happens, three bubbles come onto the screen and the player must choose - and pop - just one of them. The bubble chosen will reveal your prize - a multiplier which will be applied to the stake played that spin. What an exciting moment!

Double Bubble Jackpot slot review

There’s so much to say about this slot, but where to start? Double Bubble Jackpot isn’t a flashy slot by any means, but it’s packed with charm and it’s a delight to play. Players of all experience and ability levels can jump right into gameplay, so hurray for a slot that doesn’t baffle players with complicated controls and endless bonus options which detract from the essence of a game.

Impressive Design and Gameplay

Double Bubble Jackpot effortlessly blends nostalgia and simplicity, reward and challenge to offer endless entertainment to all. This slot is widely available amongst online casinos, and attracts a lot of free slot and generous welcome offers. The RTP is impressive and there are just enough bonus opportunities to make it fun and exciting, but not overwhelming.

This is a slot which appeals to players of all age groups, and is highly recommended on every level.

Disclaimer: Double Bubble Jackpot trademark / license is owned by GameSys. This site is not endorsed by GameSys.

Slot Data
Slot Name: Double Bubble Jackpot
Software: GameSys
RTP: 96.02%
Volatility: Medium volatility
Paylines: 20
Reels: 5
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £200 (GBP)
Top Win: 0
Features: Bonus Game, Progressive, Wild Symbol, Scatter Symbol, Medium volatility, 5 Reels
UK Available in UK? Yes. GameSys have a UKGC license and are allowed to offer their games at UK licensed casinos.

Double Bubble Jackpot FAQs

Can I play Double Bubble Jackpot slots for free?

Yes, here at Slots Temple, you can play this slot in demo mode, and it is also usually possible to play for fun when registered on a casino site. It’s always a good idea to spend some time playing for fun before going on to wager cash on a game. Some people only ever play for fun! Either way, it never hurts to get to know how a slot works and whether you actually enjoy playing it before committing too much time or money to it.

Does Double Bubble Jackpot slot have free spins?

While the Double Bubble Jackpot slot game itself doesn’t offer free spins, there are lots of online casino sites offering free spins on the game when a new player signs up. Take the time to look for those offering free spins on this game in particular, as general ads for free spin bonuses can be restricted to one or two specific games. This can be a fun way to build up some winnings without using your own cash, although many of the free spin offers require a deposit from the player before they are activated. Also take the time to look at the ‘play by’ information which will be advertised alongside the free spin promotional information - as some may need to be claimed and used within a fairly short time frame.

Can I win real money while playing Double Bubble Jackpot slots?

Yes, anyone who chooses to register with an online casino and play this slot through their site should have the opportunity to win real cash. There are usually lots of tempting, and sometimes quite lucrative, offers open to new players, so it’s always worth shopping around when looking for a site to register with. Also watch out for the various offers, as some offer free cash or spins when players deposit cash, and some don’t expect the deposit.

Do you have any Double Bubble Jackpot tips or cheats?

The best tip we can offer you are to be persistent - it could take several spins to see any winnings, but things can turn around very quickly. Don’t overstretch what feels comfortable when it comes to wagers or paylines - it’s always easy to adjust things as and when you want to. Finally, make the most of bonus opportunities - there are plenty to be had.

Can I play Double Bubble Jackpot slots with no deposit?

Online casino providers all have different rules when it comes to what they will and won’t offer to potential new members, either to encourage them to join up, or as a reward for joining or being a faithful customer. These days, it is not too difficult to find plenty offering those registering on the site the chance to play slots without having to make a cash deposit into their on-site account to fund play. In this case, the online casino will provide some kind of welcome bonus which will allow the relevant person, or people, to play immediately, without adding their own funds to the account. An example of this would be: Mr. D signs up for XYZ Casino and is awarded £10 to play with. This cash is his to use on the site, but it cannot be withdrawn to his own bank account. If Mr. D wagers all £10 and is left with winnings of £20, he can withdraw that.

Can I download Double Bubble Jackpot slots?

There are specially designed apps which can be downloaded for both iOS and Android devices if you prefer to play using them, but it isn’t 100% necessary, as the game can be accessed on phones and tablets via your usual web browser. Gamesys has developed a free iOS app which is available to those aged over 17. It is compatible with various iOS devices across the iPhone and iPad ranges, but iOS 9.0 or later is necessary.

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