Double Bubble Jackpot was originally released by Roxor Gaming as part of its signature Double Bubble slot game series. Today, the entire Double Bubble franchise, as well as the studio itself, falls under the Aristocrat Interactive umbrella.
For anyone unfamiliar, Double Bubble is a hugely popular series in the UK featuring classic fruit-slot mechanics set in a whimsical soda-pop environment.
Played on a 5x3 reel set with a pastel green backdrop, the game has 20 variable paylines you can switch on and off, and is linked to a progressive jackpot network with uncapped win potential.
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When you hit the game tile, the title opens to a familiar pink reel set in a bubbly green setting. The game’s Bubble Line is visible along the bottom of the reels, and your game controls are directly beneath that.
You can play Double Bubble Jackpot from one penny per payline, and have up to 20 paylines active per spin. Use the blue plus and minus buttons to select your bet per payline (1p to 5p) and how many paylines to activate for your session. Then, hit the spin button to play.
There are ten regular pay symbols and two bonus symbols on the reels. Pay symbols include low-value fruits, mid-range single, double, and triple BARs, and premium bells and Super 7s.
The wild symbol is the Double Bubble logo, which also pays out on payline wins, up to 1,000x for matching five of a kind on a payline. The scatter symbol is a green bubble with the word BONUS in pink.
| Symbol | Match 2 | Match 3 | Match 4 | Match 5 |
|---|---|---|---|---|
| Cherries | - | 0.25 | 1.00 | 5.00 |
| Watermelon | - | 0.25 | 1.00 | 5.00 |
| Grapes | - | 0.25 | 1.00 | 5.00 |
| Orange | - | 0.50 | 1.00 | 10.00 |
| Plum | - | 0.50 | 1.00 | 10.00 |
| Single BAR | - | 1.00 | 2.50 | 25.00 |
| Double BAR | - | 1.00 | 2.50 | 25.00 |
| Triple BAR | 0.10 | 1.25 | 5.00 | 25.00 |
| Bell | 0.10 | 1.25 | 10.00 | 25.00 |
| Super 7 | 0.25 | 2.50 | 10.00 | 25.00 |
| Wild | 1.00 | 5.00 | 25.00 | 1000.00 |
For a classic game, there is no shortage of bonus features in Double Bubble Jackpot, from the customary Bubble Line to the upcapped progressive jackpot.
It all kicks off with the Double Bubble wild, which appears in the base game, and substitutes for regular pay symbols to help you complete payline and score rewards.
Sometimes reel symbols appear encircled in a blue bubble. When these special symbols land, they are collected in the Bubble Line at the bottom of the reels. Matching symbols along the Bubble Line pays out like a normal payline.
As a bonus, a multiplier is applied to your payout, determined by the number of active paylines in your game. So if you play with one payline active, your multiplier is x1; with five active paylines, it's x5. The only exception is when you play with all 20 paylines active, in which case the Bubble Line Multiplier is boosted to x22.
Bonus symbols appear on reels 1, 3, and 5 in the base game. Three appearing on a single spin will award the Bubble Pop Bonus.
In this bonus mini-game, you pop bubbles to reveal rewards. Mostly, you will score instant cash prizes; however, the Bubble Pop bonus is also where the jackpot is hidden. When the bonus screen opens, pop your bubble to determine your fate.
A progressive jackpot is an uncapped jackpot prize that grows in value with every wager played on a linked game. A percentage of each wager is added to the pot, so you can watch the prize value grow in real time. Your chance of winning the jackpot is directly proportional to your total bet.
The progressive jackpot has a starting seed of £25,000 and will keep growing until triggered by a lucky player. The pot then returns to the starting seed and starts increasing again until the next win.
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