Boom Brothers is high quality 3D online video slot game created by Net Entertainment. The game follows the adventures of three dwarf brothers who find an underground gold mine. The brothers then blow up certain sections of the mine to extract the gold. The game features high quality 3D graphics, smooth animation and entertaining sound effects. Set against a backdrop of the mine itself, the reels drop from chains suspended from cogs and levers in the ceiling. The festive background music along with dripping water and moving machinery makes creates a realist atmosphere and a fully immersive slot experience.

5 Reel Mining Themed Slot with Bonus Games

Behind the 3D graphics and entertaining animation sequences, the internet slot machine in Boom Brothers is based on the classic setup of 5 spinning reels with a total of 20 paylines. The reel symbol includes images of mining equipment as well as stylised images of the dwarves themselves. The highest paying symbols include a metallic image of the silver dwarf followed by the red dwarf, the green dwarf and a full body image of a dwarf miner. For the lower paying symbols, the symbols are all mining implements including a lantern, a pickaxe a bucket and a miner’s helmet.

Boom Brothers includes a number of bonus features that offer the possibility of extra wins on every spin. The bonus features include a Wild symbol, free spins, a second chance feature and a bonus game. The Wild symbol in this game is the image of the bomb. The Wild can be used to substitute for other symbols in order to form a winning combination. The Wild is also the highest paying symbol paying out a massive 7500 coins for all five symbols across the reels.

Free Spins and Second Chance Feature

The free spins feature in Boom Brothers slot is triggered by landing 3 free spins symbols anywhere on the reels. Once triggered, each free spin symbol will reveal a number. These numbers are added together to determine the amount of free spins won. The number of free spins can range from 8 to 50. During the free spins round, all wins come with a 3x multiplier.

Another bonus feature worth mentioning is the second chance feature. This is a randomly awarded feature that can activate during the base game. When a player spins the reels and no win is given, the second chance feature can kick in and spin the reels a second time, essentially giving players 1 free spin as a second chance.

Rail Track Bonus Feature

The main bonus feature to look out for in Boom Brothers slot is the rail track feature. This feature is triggered by landing 3 rail track symbols on the reels. When players land 3 or 4 rail track pieces on the reels, this will award a bet multiplier. When players land all 5 pieces of track on the reels, this will award more bet multipliers plus a bonus game. In the bonus game, players are taken to a second screen where they will see the three dwarves lining up for a race. Players must then choose a mining card which moves one of the dwarves forward in the race. When one of the dwarves wins the race, he explodes the mine to reveal a coin payout.