Pearl Lagoon includes a wild symbol (the dolphin) and a scatter symbol (the clam). The wild symbol substitutes for any other reel symbol (except for the scatter symbol) to help comprise winning combinations. A winning combination that includes a wild symbol pays double the normal prize. Two or more scatter symbols anywhere on the reels constitute a win.
Three or more scatter symbols anywhere on the reels trigger the free spin feature; a sequence of free spins commences in which prizes for winning combinations are tripled. Winning combinations that include a wild symbol pay 6 times the normal prize. Free spins can be re-triggered up to a total of 60 free spins.