This game has 25 lines. The graphics are pretty great and simple to understand. Wild substitutes for all symbols except scatter and double all wins. You automatically win 8 free spins with a 2x multiplier as you enter the bonus game. Choose 2 out of 5 seashells to win additional free spins and/or multipliers win up to 33 free spins or up to x15 multiplier! 3 scatters or more during free spins win 15 additional free spins played with the same multiplier as the triggering spin. More free spins can be won during free spins infinitely. Great Blue has a gambling feature and a bonus system. You can play this game and gamble your win amount at the same time.