The first thing that will catch your eye is that there are no reels or paylines in the game area. RTG brings a unique twist to the fishing thematic concept in the Fish Catch slot machine. You can even boost the fun by playing with 3 friends! Shooting Fish in a Barrel While at it, win multipliers will come into play and a super-lucrative wheel of fortune feature. Take a little break from spinning reels and dive into RTG’s Fish Catch slot machine, where you get to shoot at over 20 fish species and a mermaid.