Visit Thunderkick's Big Fin Bay slot machine to try to land a big catch of money in this fishing-themed game. The base game of this six-reel slot machine provides 5,040 ways to win. As the free spins start, this can increase to 117,649 ways to win. Highlights of the feature include Mystery Wilds, which can make up to 3 reels completely wild. Moreover, extending wilds, which can cover a complete reel, exist.