In this bubbly 5-reel, 20-line undersea slot game, the smiling dolphin serves as a wild symbol that substitutes for most other symbols and helps to comprise winning combinations worth double the normal prize. When two or more oysters open anywhere on the reels, the player wins a pearl of a prize. When three or more oysters appear, a sequence of 15 free spins commences on which prizes for winning combinations are worth t...