Play Double Bubble for Free

Double Bubble slot has 20 paylines and you can choose to play as many or as few of these as you like. To alter the paylines in play per spin, click on the ‘bet one’ button. The only problem with this is that you have to click through all the paylines to get to the number you wish to play and if you over-shoot, you have to go round again to find your perfect number.

You can alter the number of coins per payline by clicking the plus and minus symbols next to the ‘coin size’ box. This allows you to play from €0.01 up to €10 per payline each spin, giving a minimum total bet of €0.01 and a maximum total bet of €200. This is an excellent betting range making Double Bubble suitable for low, mid and high rollers of any pocket size.

The background to the slot is a pastel coloured collection of traditional fruit machine symbols. There are oranges, cherries, watermelons, plums and grapes in the fruit selection, along with gold bells, bar signs and super sevens to add to the mix.

Other symbols are the bonus bubble symbol and the game logo icon. Intriguingly there is also a ‘bubble line’ along the bottom of the screen with bonus spelled out in big letters, a feature which comes into play to award some tasty multipliers.

The bubbliest symbol in terms of payout potential is the Double Bubble logo, which is also the wild symbol for the game. This icon can award a huge 20,000x your bet for spinning 5 matching symbols together, while 4 symbols pays 500x your bet, 3 symbols awards 100x your bet and 2 symbols pays 20x your bet. As it is the wild, it stands in for all the other symbols except the bonus to give more potential wins.

The next highest-paying symbols to watch for are the super seven and gold bell, which both pay 500x your bet for 5 symbols and 200x your bet for 4 symbols. The green triple bar sign pays 500x your bet for 5 symbols and 100x your bet for 4 symbols, while the blue double bar sign and pink single bar sign both pay 500x your bet for 5 symbols and 50x your bet for 4 symbols.

The fruit symbols pay the smaller rewards. With the orange and plum both paying 200x your bet for 5 symbols, and the grapes, watermelon and cherries all paying 100x your bet for 5 symbols. All the fruits pay 20x your bet for 4 matching symbols. These interesting payouts mean you have to keep watching to see what you win, while only the triple bar sign, gold bell, super seven and game logo pay a reward for 2 matching symbols.

If any symbols appear inside a bubble they are added to the bubble line at the bottom of the screen. If these symbols together make up a winning combination, you will win a multiplier equal to the number of active paylines. If 20 paylines are played, the multiplier increases to a maximum of 22x for some huge potential payouts.

Spinning 3 bonus symbols on reels 1, 3 and 5 triggers the Bubble Popper Bonus round where you get to pop a bubble of your choice to reveal a random multiplier reward. This is a cute little bonus game and can make a good difference to your bankroll.

Double Bubble is a gentle-spirited game with soft colours and a twinkling tune that plays whenever you spin the reels. The symbols are all simple fruit machine icons which will be familiar to players, while the extra features will be a pleasant surprise. The bubble line wins are an additional ways to boost your payouts, although this did not actually make much difference to us during our session – perhaps we were just unlucky.

The bonus game is a bit of fun and can result in a good multiplier. Popping the bubbles can also feel therapeutic if you are still chasing a decent payout! In conclusion, if the bubbles float your way then Double Bubble could make a lucrative choice, but if you are as unlucky as we were with the bubble line feature, your slot bubble could quickly burst.