Boom Brothers™ is a 5-reel, 20-payline video slot machine game. This means there are five spinning reels from which to form your winning combinations. For every coin that you put in you enable another payline. When the reels stop, the computer checks the combinations of symbols along each enabled payline.
Boom Brothers is a strange but fun new 3D video slot machine game about three brothers digging for gold, rubies, and diamonds. This entertaining Boom Brothers 3D slot machine offers a whole lot of unexpected graphics, and cool animations.
The Boom Brothers bonus slot machine game can be played for free without leaving our site, to launch the free slot game click the link Play Boom Brothers For Free.
The Boom Brothers video slot machine game features Scatter symbols, Wild symbols, 2nd Chance Bonus, Boom Brothers Bonus Feature, Rail Track Bonus Feature, and a Free Spin Bonus Round game with 3x time's multiplier values for all winning combinations.
The Boom Brothers slot machine game from Net Entertainment can be played for free or for real money in denominations of 0.01 up to 1.00 per pay line, and wager 1 up to 5 coins per payline bet. The minimum bet amount is 0.01 and the maximum bet amount is 100.00 per spin.
The maximum payout in the regular Boom Brothers multiline slot machine game is 7,500 coins pay line bet.
Note: For every coin that you bet, you enable another payline. You are paid out for winning combinations on enabled paylines only.
Note: The amounts displayed below are in Pounds but will remain the same if you choose to play in Canadian dollars, USD, or Euros.
All symbols pay left to right (Reel 1-5) in consecutive order except for the Free Spins scatter symbols, which pay any.
Important:
- Play 1 to 20 lines.
- Wager 0.01 up to 1.00 per pay line, and wager 1 up to 5 coins per payline bet.
- The theoretical average return to player (RTP) is 96.4%.
- Highest win only on each selected payline.
- Coinciding wins on different paylines are added.
- Payouts are made according to the paytable.
- Winnings are paid out on the highest combination on each enabled payline only, except for scatter wins.
- The Free Spins scatter symbols do not need to appear on an enabled payline to win.
- Regular symbols pay left to right (Reel 1-5) in consecutive order except for the Free Spins scatter symbols, which pay any.
- Bonus game wins are added to payline wins.
- The Bomb wild symbol substitutes for all other symbols except for the Rail Track, and the Free Spins scatter symbols.
- Some features may not be available in PLAYING FOR FUN mode.
- Malfunctions void all plays and pays.
Wild Symbols
The Bomb symbol in the Boom Brothers slot machine game is a wild symbol. This means that the Bomb wild symbol acts as a substitute for other symbols to complete winning combinations.
Multiple Bomb wild symbols on an enabled payline create winning combinations, as shown in the "Regular Payout Schedule".
The Bomb wild symbol does not substitute for the Free Spins scatter symbols or to activate the Free Spin Bonus Round game.
The Bomb wild symbol does not substitute for the Rail Track scatter symbol or to activate the Rail Track Bonus Feature game.
The Bomb wild symbol does not substitute for the Rail Track scatter symbol or to activate the Boom Brothers Bonus Feature game.
Note: Only one winning combination is paid out per payline. If there is more than one possible winning combination on a payline, you are paid out the value of the highest combination only.
Scatter Symbols
The Rail Track, and the Free Spins symbol in the Boom Brothers slot machine game are scatter symbols. This means that the Free Spins symbol does not need to appear in a line, on an enabled payline to win.
The Free Spins scatter symbols can be scattered anywhere on the five reels provided three or more Free Spins scatter symbols appear.
The Bomb wild symbol does not substitute for the Free Spins symbol or to activate the Free Spin Bonus Round game.
The Rail Track scatter symbols only appear on reels 1, 2, and 3.
The Rail Track symbol must appear on an active bet line and in consecutive order on reels 1, 2 and 3 to activate the Rail Track Feature.
The Bomb wild symbol does not substitute for the Rail Track scatter symbol or to activate the Rail Track Bonus Feature game.
The Bomb wild symbol does not substitute for the Rail Track scatter symbol or to activate the Boom Brothers Bonus Feature game.
Note: The Free Spins, and the Rail Track symbols do not grant you any winnings, but they enable you to enter their respective Bonus Feature game.
2nd Chance Win Feature
The 2nd Chance Win Feature can be triggered at anytime after a paid game when no winning combinations have occurred.
During a random 2nd Chance Win Feature has been activated one of the three Boom Brothers appear and change some of the symbols that appear on the Boom Brothers slot machine game screen.
Note: The symbols changed my or my not complete winning combinations.
The 2nd Chance Win Feature can be triggered during the Free Spin Bonus Round games.
When the 2nd Chance Win Feature game is complete, you are returned to the regular Boom Brothers slot machine game and your Bonus Prize game wins are added to your win total.
Free Spin Bonus Round
Three or more Free Spins scatter symbols scattered anywhere on the five reels activates the Free Spin Bonus Round game.
The Bomb wild symbol does not substitute for the Free Spins symbol or to activate the Free Spin Bonus Round game.
Each Free Spins scatter symbol will spin and reveal a number. The sum of the numbers revealed is the total amount of Free Spins won.
All winning combinations during the Free Spin games are "tripled".
All the bets and paylines played in the Free Spins are the same as the game that activated the Free Spin Bonus Round game.
All control buttons are disabled during Free Spin Bonus Round including pay-line selectors.
During the Free Spin games the Rail Track Feature, Boom Brothers Feature, and the 2nd Chance Win Feature can be triggered.
The Free Spin Bonus Round multiplier value does not apply to winnings in the Rail Track Feature or Boom Brothers Feature game.
Additional Free Spins can be won during Free Spin Bonus Round games. During the Free Spins each scatter awards 1 extra Free Spin game.
The extra Free Spins are added to the remaining number of Free Spins. During Free Spin Bonus Round, an infinite number of additional Free Spins can be awarded.
When the Free Spin Bonus Round game is complete, you are returned to the regular Boom Brothers slot machine game and your Free Spin game wins are added to your win total.
Rail Track Feature
Three Rail Track symbols appearing on an active bet line on reels 1, 2, and 3 simultaneously will activate the Rail Track Feature game.
The Bomb wild symbol does not substitute for the Rail Track symbol or to activate the Rail Track Feature game.
The symbols line up to create a Rail Track, and the last two reels are re-spun.
The aim is to complete the Rail Track so that the Boom Brothers can cross the track enter the Boom Brothers Bonus Feature game.
If the Rail Track is completed, you win your bet with a multiplier value of 4x times and you enter the Boom Brothers Bonus Feature game.
If the Rail Track is missing one piece, the Rail Track Bonus Feature ends and you win your bet with a multiplier value of 3x times.
If the Rail Track is missing the last two pieces, the Rail Track Bonus Feature game ends and you win your bet with a multiplier value of 2x times.
Note: The Rail Track Feature game plays automatically during Free Spins or when the Autoplay function is enabled.
When the Rail Track Bonus Feature game is complete, you are returned to the regular Boom Brothers slot machine game and your Bonus Prize game wins are added to your win total.
Boom Brothers Bonus Feature
During the Rail Track Bonus Feature game, if the Rail Track is completed, you enter the Boom Brothers Bonus Feature game.
The Bomb wild symbol does not substitute for the Rail Track symbol or to activate the Boom Brothers Bonus Feature game.
The Boom Brothers each in their own unique mining cart are in a race to be the first to blast at a rock face. Gems and Gold, and of course a Bonus Prize are waiting for you.
Below the rail tracks, 3 mining carts appear. Click on one of these mining carts and the mining carts will reveal a diamond, ruby, or gold, and if you're lucky a multiplier value for the number of steps to moved (max = 3).
Continue to choose mining carts until one of the Boom Brothers reach the rock face.
One of the Boom Brothers will move one or more steps towards the rock face. It takes 5 steps for a Boom Brother to reach the rock face.
Note: The Rail Track Feature game plays automatically during Free Spins or when the Autoplay function is enabled.
When the Boom Brothers Bonus Feature game is complete, you are returned to the regular Boom Brothers slot machine game and your Bonus Prize game wins are added to your win total.
How To Play
To place your bet, click "BET LINES" to select the number of lines to bet on. Each click adds one line to the bet and highlights the bet line on the screen. You can also select bet lines by clicking the bet line symbols on the sides of the slot machine screen. The current number of bet lines is presented in the display below the slot game buttons.
The coin value is presented in the display below the slot game buttons.
Your total bet in "Coins" is displayed in the "Bet" display to the left of the slot machine game buttons, and the total amount of the bet is displayed in the game panel at the bottom of the slot machine game. To place the highest bet at once, click "MAX BET".
Click the 
"Spin Button" to start the game, and the cost of your bet is deducted from your account. If you click "MAX BET", the reels start spinning automatically.
When you win, winning bet lines are highlighted and the amount won is displayed in the game panel at the bottom of the game. The number of coins won is displayed in the "Win" display to the right of the slot machine game buttons.
Advanced autoplay options
- To set advanced autoplay options click AUTOPLAY, and then click Advanced settings.
- On any win. Stop Autoplay when you win in a round.
- If bonus game is won. Stop Autoplay when a bonus game is won.
- If Free Spins is won. Stop Autoplay when Free spins is won.
- If single win exceeds. Stop Autoplay when the amount you win exceeds or equals the amount you specify.
- If cash increases by. Stop Autoplay if cash increases by the amount you specify.
- If cash decreases by. Stop Autoplay if cash decreases by the amount you specify.
Game setting options
- To access game settings, click the spanner icon in the game panel.
- Intro. Turn the intro film on or off.
- Animations. Turn the animations on or off.
- Game quality. Adjust quality for poor network connection.
- Ambience sound. Turn on or off the background soundtrack.
- Sound effects. Turn on or off sound effects played for events.
- Game history. Click to view your latest game history.
Note: Some casinos may operate without all of the listed game settings.
Malfunction voids all pays.
Regular Symbols
Boom Brother Oliver |
Boom Brother Jack |
Boom Brother Austin |
Mechanical Robot |
 |
 |
 |
 |
Mining Lamp |
Mining Pick |
Mining Pail |
Mining Helmet |
 |
 |
 |
 |
Regular Payout Schedule
Winnings paid out on the Boom Brothers slot machine game are dependent on the symbols displayed on the payline, once the reels have come to a stop.
The Payout Schedule summarizes the game Payout Table.
Note: All figures show the number of coins that are won for each combination. The value of credits won depend on the coin size you bet.
| Symbol Name |
2 Symbols |
3 Symbols |
4 Symbols |
5 Symbols |
| Bomb |
5 |
200 |
2,000 |
7,500 |
| Boom Brother Oliver |
--- |
50 |
100 |
500 |
| Boom Brother Jack |
--- |
15 |
75 |
250 |
| Boom Brother Austin |
--- |
15 |
75 |
250 |
| Mechanical Robot |
--- |
10 |
50 |
125 |
| Mining Lamp |
--- |
5 |
50 |
100 |
| Mining Pail |
--- |
5 |
15 |
75 |
| Mining Helmet |
--- |
5 |
15 |
75 |
Multiple Payline Schedule
You are paid out for regular winning combinations on enabled paylines only.
The number of credits won is dependent on the total number of coins won multiplied by the coin size you selected.
The colored lines in the graphics below represent the shape of the available paylines:
You can play the Boom Brothers video slot machine game in the comfort of your own home for free; no download is needed to play! As a Guest Player, you will play on the same state of the art software as real money players. This will give you the chance to evaluate the online casino games with absolutely no risk involved!
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