Base cost 10 game with 30 lines and a jackpot. Gem Splash Jackpots and Features. Persistent Gem Drop Feature where gems with cash prizes drop from above the reels, moving down one row per spin. A gem pays when it lands on a “Gem Splash” symbol. 3 Scatter Gold Pots award 6 Free Games where 1 extra row is added every 2 spins. Also, larger Gems can drop down.