Torpedo Bonus is triggered once three or more Bonus symbols appear on the game reels. Blast the submarine mines clicking on Fire button to receive the prizes and move on the next level. Depending on the number of appeared symbols you can win different number of spins. The regular one appears in the main game and the Sticky Wild may show up only during the free spins feature. Sticky Wild can remain on the reels for up to five spins. Both of the Wild symbols appear only on the 2, 3, 4 and 5 reels and can act for any symbol except for the ones which trigger bonus games.