Play the Net Gains slot machine from Relax Gaming and go open-water fishing with the Lion, Shark, Croc, and Rhino. There are three different sorts of mystery symbols and cascades in this 6-reel, 4,096-way slot game. There are three modes in the Free Spins feature. They feature coins with a value of up to 2,500 times the stake, sticky mystery symbols, countdown wilds or multiplier wilds up to 5x, and multiplier wilds.