Gnomes are digging deep to get some treasures, and they won’t only using picks! Boom Brothers is a gnomes gold diggers themed slot manufactured by Netent. It has 5 reels and 20 pay lines. The most you can win here is 112500 coins. The slot has an average RTP – 96.4%. 3+ Free spins symbols will start the free spins feature. During the free spins, the multiplier is x3.