Free Double Bubble Slot Machine
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Double Bubble Online Slot Review
Realistic Games gives another chance to enjoy the underwater adventure with its Double Bubble online slot machine that provides a view of the marine world. The 5-reel and 20-payline slot gives a chance to win the highest prize up to 10,000 coins.
Among regular symbols, there will be a glowing seahorse, a puffer fish and a multi-colored tropical chap on the reels. Among key symbols, there will be a wonky gold coin (scatter) and bad-looking shark, which will play the role of wild in this online casino slot. Five shark symbols on the active payline will trigger the jackpot amount for you. The scatter will be there to help you winning free spins, as three, four or five gold coin anywhere on the screen will secure ten free spins. However, more scatters during the round will not activate any more free spin rounds in this online casino slot. 
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