Play Dolphin's Pearl Here). Similar in a way to Playtechs Great Blue Slot. During this underwater adventure with five reels and nine adjustable paylines you will meet the sea creatures, but the ones you will look for are the dolphinand its magic oyster hiding the pearl inside. Dolphins Pearl slot has 9 paylines. However, if you are lucky to trigger/re-trigger the free spins, you can walk away with nice winnings. And that's not all. Although the graphics are rather plain and the music and the sound effects are not very innovative, the good old dolphin and its pearl will not let you down. After each win, you can gamble the prize choosing a red or black card. The wild is represented by the dolphin while the oyster with a pearl acts as the scatter symbol. Now available to play at several online casinos, a couple of which we recommend above, Dolphins Pearl is a 10 payline slot with an underwater theme. Featuring the standard Novomatic sound effects which exude from Gaminator cabinets located in casinos worldwide, Dolphins Pearl is a 5 reel, 10 payline slot machine which has developed something of a cult following with players at online casinos. There are actually 2 versions of this slot: the original one, which we will review here, and the Deluxe.