In the underwater kingdom of Neptune, pearls are the greatest treasure. Land 6 or more white pearls on 50 lines to trigger respins on 4 separate reel sets. Land a black pearl to unlock the next reel set and award any pearls already locked there. 3 SCATTER symbols awards free spins with 3×3 mega symbols on the reels. Fill any reel set with pearls to win the top MEGA jackpot!