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Game Rules

• Boomerang Jack’s Lost Mines is a slot machine with 5 reels and 3 rows, which has 25 lines and a free spins feature.
• The SPIN button starts a spin with the selected bet.
• In the event that a combination of symbols were to award more than one win, the combination with the highest winnings will be awarded with the configuration that produces the highest multiplier.
• The winning combinations and the prizes are decided according to the PAYTABLE. The wins that appear in this table have the value of the currency that is being played with during those moments.
• The WILD symbol may be replaced with other symbols, but excluding the gem, chest and coin symbols.
• If at least one gem symbol appears on the reels in any position, it may randomly launch the related free spins feature.
• You could randomly gain entry to 2 or 3 different features, where you will be rewarded with a free spins feature along with the various combined features.

Gem Coins

• If you get 1 or more symbols in any position on the reels during the standard game, you may trigger the Gem Coins feature with 5 free spins.
• Each symbol that appears on the reels during the feature will award a win. The initial value of the coin is twice the value of the bet when the feature was launched.
• Each symbol that appears on the reels during the feature awards an additional free spin and increases the value of the coin for subsequent spins of the feature.
• The free spins feature is played with some special reels.
• The “Free Spins Bonus Feature” is played at the same betting level as the spin that activated the feature.
• If the player doesn’t click the “Continue” button for a certain amount of time, the free spins feature will start automatically.
• If the game gets interrupted during a free spins bonus, the game shall randomly complete the round and store the winnings. Upon the next connection to the game, the winnings shall be credited to the player’s balance and a complete replay of the bonus round shall be available at the ‘Historical Betting’ interface.

Diamond Wins

• If you get 1 or more symbols in any position on the reels during the standard game, you may trigger the Diamond Wins feature with 8 free spins.
• Each symbol that appears on the reels during the feature may award extra spins, a direct win or a diamond to obtain the Mini, Minor, Major or Grand wins.
• When the chest awards diamonds, a gap is filled on the corresponding Mini, Minor, Major or Grand award panel. If all positions are filled on a panel, the corresponding win is awarded, and the spaces are reset.
• You can earn more than one win [Mini, Minor, Major or Grand] in the same Diamond Wins feature.
• The free spins feature is played with some special reels.
• The “Free Spins Bonus Feature” is played at the same betting level as the spin that activated the feature.
• If the player doesn’t click the “Continue” button for a certain amount of time, the free spins feature will start automatically.
• If the game gets interrupted during a free spins bonus, the game shall randomly complete the round and store the winnings. Upon the next connection to the game, the winnings shall be credited to the player’s balance and a complete replay of the bonus round shall be available at the ‘Historical Betting’ interface.

Reel Expand

• If you get 1 or more symbols in any position on the reels during the standard game, you may trigger the Reel Expand feature with 5 free spins.
• During this feature, the slot changes into 5×5 reels and 50 paylines.
• The free spins feature is played with some special reels.
• The “Free Spins Bonus Feature” is played at the same betting level as the spin that activated the feature.
• If the player doesn’t click the “Continue” button for a certain amount of time, the free spins feature will start automatically.
• If the game gets interrupted during a free spins bonus, the game shall randomly complete the round and store the winnings. Upon the next connection to the game, the winnings shall be credited to the player’s balance and a complete replay of the bonus round shall be available at the ‘Historical Betting’ interface.

Combined Features of 2 Different Gems

• If any combination of 2 different gem symbols appears in any position on the reels during the base game, the corresponding combined free spins feature may be launched randomly.
• The combined feature of 2 gems awards 8 free spins and applies all the same rules associated with the features involved.
• The free spins feature is played with some special reels.
• The “Free Spins Bonus Feature” is played at the same betting level as the spin that activated the feature.
• If the player doesn’t click the “Continue” button for a certain amount of time, the free spins feature will start automatically.
• If the game gets interrupted during a free spins bonus, the game shall randomly complete the round and store the winnings. Upon the next connection to the game, the winnings shall be credited to the player’s balance and a complete replay of the bonus round shall be available at the ‘Historical Betting’ interface.

Combined Features of 3 Different Gems

• If at least one of the , one of the and one of the symbols appear in any position on the reels during the standard game, a feature may be launched randomly that includes all three free spins features combined in one.
• The combined feature of 3 gems awards 10 free spins and applies all the same rules associated with the individual Gem Coins, Diamond Wins and Reel Expand features.
• The free spins feature is played with some special reels.
• The “Free Spins Bonus Feature” is played at the same betting level as the spin that activated the feature.
• If the player doesn’t click the “Continue” button for a certain amount of time, the free spins feature will start automatically.
• If the game gets interrupted during a free spins bonus, the game shall randomly complete the round and store the winnings. Upon the next connection to the game, the winnings shall be credited to the player’s balance and a complete replay of the bonus round shall be available at the ‘Historical Betting’ interface.

Return To Player

The user return (RTP) is shown in-game. The RTP achieved during a simulation of 2000 million games. The maximum potential prize achieved during a simulation of 2000 million games was 4836.4 times the bet, with an occurrence probability of 1:2000000000.

Additional Information

• Incomplete games will be automatically resolved. Any winnings from automatically resolved games shall be paid upon next connection to the game. Replay functionality can be used to review completion of the game. All winnings remaining to be paid from incomplete games shall be discarded after 24 months of the initial incomplete game.
• If a technical error occurs in the game hardware/software, all of the bets and payments made will be cancelled.
• For further information, check out the operator’s website.

Play Game 🎰

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Note: Boomerang Jacks Lost Mines Demo Play Info and Free Play Features

If you’ve read the information above or are simply exploring this game for the first time, you might be looking for a way to access Boomerang Jacks Lost Mines demo play or free play mode. While demo access is not always available, this page provides detailed information based on the game’s official help content.

Learn how features like free spins, bonus symbols, wilds, and payouts work, just as you would in a typical demo version. Whether you are reviewing the mechanics before real play or comparing Boomerang Jacks Lost Mines to other slots, the overview here helps simulate the experience of trying the game for free.

_{*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.}