Boomerang Jack’s Lost Mines ™ – Review, Bonuses, Free Spins, Free Play in Demo Mode

Red Rake Gaming developed Boomerang Jack’s Lost Mines as an online slot. It has 7 different features, and three of them are free spins bonuses. Features can be combined. It has a return to player rate of 95.3% and it is of medium to high volatility.

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With an opportunity to visit one of the largest mines in Australia, Kalgoorlie, you can find out about three secret mines as well as play a game on 5×3 with 25 pay-lines and get 3 free spins feature.

In case you want some extra real action, you can use a Reel Expand bonus to increase your grid by two rows and double the number of paylines. Additionally, there is a Gem Coins feature for instantaneous wins and additional spins and Diamond Wins bonus that may give more prizes and bonuses.

There are also Mini, Minor, Major and Grand Jackpots to be won; more so, you can combine features for maximum rewards as well. In Boomerang Jack’s Lost Mines slot review, find out about these features in detail, and many others that will make your gaming better.

Boomerang Jack’s Lost Mines ™ - Free Play in Demo Mode

Dive into the world of Boomerang Jack’s Lost Mines ™ and enjoy our exclusive Free Play in Demo mode. You can try this exciting slot without spending money to see how it works, explore its paylines, features and bonus rounds at no risk. Find your strategy in Demo mode, comprehend game mechanics and define a winning betting system for your future play. Unlock the excitement without spending a dime as you engage in Free Play, immersing yourself in the entertaining universe of Boomerang Jack’s Lost Mines ™.Discover the game's unique mechanics, visualize potential winning combinations, and master your gameplay strategy—all in a no-risk environment. Try your luck in Demo mode today and prepare for an exhilarating gaming experience when you're ready to make a splash with real wagers.

Boomerang Jack’s Lost Mines Theme and Graphics

The game is inspired by a mining theme, coupled with the Australian animals. The graphics are nice and I like the sound of the mine so it really adds to the atmosphere of the game.

Boomerang Jack’s Lost Mines RTP and Variance

The free video slot has a theoretical Return to the Player (RTP) rate of 95.3%. This is a bit low when you consider that most online slot games average about 96%.

Choosing this type of online slots can be risky as it has medium to high variance.

How to Play Boomerang Jack’s Lost Mines

It is an appealing slot where the controls are well designed and fit in well with the game screen. For instance, Paytable and Autospin buttons look like gemstones that could be found underground.

And I have some other things you might like to know about playing the online slot titled Boomerang Jack’s Lost Mines.

Bet Sizes and Prizes

Stake as low as 0.10 or as high as 25.00 per spin, although this is a limited betting range and most likely not enough for those looking to stake big.

The truck with a lot of gold is the highest paying standard symbol and yields wins for 2 to 5 symbols. The other symbols require at least three of them for the win.

The top available 5-of-a-kind wins are:

  • Gold truck 500.00
  • Boomerang Jack 250.00
  • Alligator 250.00
  • Kangaroo 200.00
  • Koala 200.00

5 10, A 10, and ten Jacks all count for this.

Max-win 4,836x
Volatility High
Top RTP 95.30%

Boomerang Jack’s Lost Mines Bonus Features

In these Lost Mines, you can discover multiple rewards, such as:


These can appear on the last 4 reels and substitute any icons apart from the bonus symbols. Read about them next in this slot review.

Gem Symbols

Green, red, and blue gem symbols exist. If you land one anywhere on the grid you could randomly trigger a free spins bonus. You might even activate 2 or 3 features at once. Read on to this slot review for more information on it.

Gem Coins

In the base game, you have to land at least one green gem coin anywhere on the grid so as to activate the Gem Coins feature. Every gold coin that lands during this feature guarantees a win and will start at two times the bet.

In the feature, you will get to play 5 free spins and every green gem coin you land with would raise the value of that coin. Another free spin is added too.

Diamond Wins

At least 1 red diamond coin will land and you will get 8 free spins. Every treasure chest symbol that lands can give you an instant win, extra spins or one of four different colored diamonds that can reward the player with one of the four jackpots displayed above the reels.

When all these slots are filled, you win the appropriate award. It is possible to win corresponding prizes when every slot in this jackpot counter has been filled with a diamond of different color.

Reel Expand

If you obtain one of the blue gem coin signs, you will be awarded five free spins and activate the Reel Expand bonus.

Combines Features

Get more than one differently colored jewel coin and have more than one feature at the same time. If you collect two gems, you get 8 free spins with associated features. Alternatively, if you land on both gems you will be awarded 10 free spins and all of the bonus advantages in each case.

Boomerang Jack’s Lost Mines Review

This choice of Red Rake free slots online has so much to appreciate, from its stunning visuals and atmospheric sound effects to its bag of bonuses.

If you are looking for a free casino game with many features, there is none that is more jam-packed with extra action than this slot. This means that it may not appeal to those who enjoy traditional slots and also it might discourage players from playing by its complex bonus line-up.

The truth is that this game is quite simple, although our demo version can be an excellent way to understand whether it suits your needs before you start thinking about using some actual money.

If this slot is not for you; there are plenty of other free games that we have available like Rainbow Riches Pick and Mix slot.

Notice: Red Rake Gaming owns the trademark / license for Boomerang Jack’s Lost Mines. This is not an endorsement by Red Rake Gaming.


What is the Return to Player (RTP) percentage of the Boomerang Jack’s Lost Mines slot?

The return average is 95.3%. The average payout on free casino slots is about 96%.

How does the Boomerang Jack’s Lost Mines slot vary?

This is a medium to high-variance game. It implies that it could offer an adequate equilibrium between risk and rewards, but at the same time feel too volatile for certain players.

Boomerang Jack’s Lost Mines, does it have a free spins bonus round?

In this game, there are 3 types of free spins bonuses. Each of them comes with diverse characteristics and numbers of free spins. You can learn more from the main slot review.

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