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Big Boom Riches slot

Big Boom Riches
Big Boom Riches
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Updated: 22.07.2025
Reviewed by: Fabio Duarte

Just For The Win has partnered with Microgaming and created a mining-themed Big Boom Riches slot. Each player can recognize himself as a miner trying to achieve big prizes! In this review, you will find out what this slot is about, as we will tell you in detail about everything that it consists of: the mathematical model, bonuses, the betting range, and the design.

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds & Free Spins
  4. Summary
  5. Where to play
General information about Big Boom Riches slot

General information about Big Boom Riches slot

Rating by Fabio Duarte:
8.8
User’s Rating: Not rated yet
Just For The Win
Write a review +25 SJ points
  • Release Date:
    20.01.2022
  • Volatility:
    High
  • RTP:
    96.5%
  • Multiplier:
    Yes
  • Max. win:
    5,000x
  • Bonus game:
    No
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    Yes
  • Jackpot Game:
    No
  • Slot lines:
    20
  • Slot reels:
    5
  • Layout:
    5-3
  • Stakes range (€/£/$):
    0.2 to 50
  • Slot Theme:
    Mining
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • Gambling Comission
  • MGA

How to play

The playing field with 5 reels in 3 rows gives you 20 lines to create winning combinations of symbols. There are 3 wilds here and they all substitute for regular symbols to help you out. The Rolling Reels feature is triggered every time you win. It explodes the symbols that hit the combo to make room for new/existing ones that can fall from above. This process is repeated as long as you keep winning!

During the base game, TNT Wilds land and they explode, removing all normal nearby symbols. TNT is collected in the TNT barrel counter above the game board, making the barrels gold. By collecting 3-12 TNT symbols in 1 Rolling Reels sequence, you will receive a 1x-5,000x cash prize respectively.

To start digging right now you just need to:

  • Open Big Boom Riches at your favorite casino
  • Click on the menu button to view the paytable and rules
  • Choose a bet: from €0.20 to €50
  • Spin the reels!

Big Boom Riches RTP and Volatility

8.8 

High risk comes with 96.06% RTP.

Of course, the cascading wins mechanics and Wild TNT can take you on a long journey but you still need to be careful with this slot as it comes with high volatility. This means that the prize combinations here are difficult to create, but each of them will bring a large prize. By default, the theoretical return is 96.06% but it can be 96.48% with Buy Free Spins.

Theme

9.4 

The mining theme has long been a "gold mine" for providers, as any gambler can recognize himself as a miner trying to achieve great success. The old man with the gold teeth in this release by Just For The Win is definitely a chatty and charming guy. He provides plenty of good commentary on your actions with a strong southern accent and enough determination to keep you going for a while. The cartoony visuals are very well done and the path to the mine is mostly hidden behind a 5x3 wooden playing field.

Premium and low-paying symbols appear on the reels. The pink, orange, green and purple gems have the highest values and the stylized playing card suits have the lowest values. The prospector is a special scatter symbol that triggers the free spins feature and you also have 3 Wilds.

Theme

Big Boom Riches slot paytable

Mobile compatibility

Mobile compatibility

Do not want to be at home during the gameplay? Then use the mobile mode of this slot machine! Just For The Win created this slot machine using JS and HTML5 technologies, which allows it to load quickly on all modern mobile devices and adapt to small screen sizes.

About Just For The Win

This new slot was created by Just For The Win in collaboration with Microgaming, the pioneer of online slots and progressive jackpots. This is a fairly popular Swedish gambling company that creates premium-quality slot machines with many gamification features. Their portfolio is very diverse, especially in regards to themes and bonus features. Their first big shot came with the release of Goldwyn's Fairies as it was able to earn a lot of popularity among gamblers. They did not stop there and now you can try about 40 of their games.

Bonus Rounds & Free Spins

9 

Bonus Round

As soon as 3, 4 or 5 Scatters land anywhere on the playing field, the slot will launch the free spins feature. You will receive 9 free spins as well as a Scatter payout of 2x, 20x or 100x your stake, respectively. To get +1 extra free spin you only need to land 1 more Scatter during the feature.

Big Boom Riches slot machine

Special X-Wilds symbols land to boost the No Reset Win Multiplier by +1. They also explode to remove all regular adjacent symbols (just like TNT Wilds in the base game).

Bonus Buy

Non-UK players can purchase the free spins bonus round for 50x their bet. This will give them 3 Scatters on the next spin. Pretty good deal, we think.

Big Boom Riches slot machine

Big Boom Riches Demo play

Being able to test something before buying it is very important and luckily you can try this game for free! Big Boom Riches comes with a free demo mode. While playing in this mode, you can spin the reels, get prize combinations and bonus features by betting with "fun" coins instead of real money. Of course, when playing in the free mode, it will be impossible to withdraw the funds won, since they are not real.

Max Win

8 

Explode the symbols in the mine to win up to 5,000x!

During our test session, we were very pleased to look at the exploding symbols that brought extra prizes. Collecting TNT Wild prizes in cascading sequences keeps the base game interesting and the free spins bonus round with rapidly growing multiplier allows you to win up to 5,000x your stake. That's pretty nice potential for a release like this and it's fun to achieve what's important.

Overall Rating

8.8

When creating this slot machine, JFTW was clearly inspired by their own Scatter Jackpot Gold series. But even though most of the elements in this slot are well known, Big Boom Riches is still a very good release. The gold-toothed chatty gold digger has enough vocabulary to remain charming for a long time, and we also like the well-done cartoonish visual presentation. Collecting TNT Wild Prizes in cascading sequences makes the base game very exciting and the bonus round with a fast growing multiplier will help you win up to 5,000x.

Hits
Exploding TNT Wild prizes
Bonus Round with exploding X-wild collection multiplier
Well done cartoon design
Misses
Very high volatility

FAQ

Can I buy a bonus round in Big Boom Riches?

Yes, you can use the Bonus Buy option to buy the free spins bonus round for 50x. This will give you 3 guaranteed Scatters on the next spin.

What about free mode?

JFTW has made sure that there is a Demo mode for this slot machine so you can try it for free at any time!

What is the Return to Player (RTP) in Big Boom Riches?

By default, the theoretical return is 96.06% but it can be 96.48% with Buy Free Spins.

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Fabio Duarte
Fabio Duarte
Expert in: News, Blog, Slot reviews, Payments
Fabio is a young writer with +6 years of experience in gambling & betting. Fabio creates professional reviews of casino and slots. Every single article Fabio made exhibits deep analytical skill and comprehensive coverage of a topic. It’s Fabio – one of the leading authors on slotsjudge.com.

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