Post Published: April 11, 2024
Author: Chlo


Scored by our Casino Expert Chloe

Diamond Miner Duomax caters to enthusiasts of Multipliers, offering two distinct Multiplier trails and a diverse array of mechanics. At its core lies a Free Spins feature, ideal for those seeking high volatility thrills.

Diamond Miner Duomax (Reflex Gaming) – Slot Review

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Descend into the depths of the earth in search of precious diamonds and lucrative rewards. Explore the underground mining tunnels, where the game background immerses you in the intricate network of rails and vibrant colours. Witness the miner character navigating through the tunnels on a minecart loaded with explosives. Symbols pop with vivid colors, adding to the immersive experience. Upon triggering the Free Spins feature, the background takes on a striking red hue, intensifying the mining theme. While the visual elements are straightforward, they effectively capture the essence of the mining setting.

Diamond Miner DuoMax features a classic layout of 5 reels by 3 rows, offering 243 fixed pay lines. With high variance gameplay and an RTP of 96%, players have the chance to win up to 5,000 times their bet. Betting ranges from £0.20 to £100 per spin.

Diamond Miner DuoMax Symbols & Pay Table

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The game includes a total of 14 symbols, comprising 4 low-paying symbols represented by J, Q, K, and A, followed by 4 mid-tier symbols depicted by Minecarts, Barrels, Lanterns, and Silver Bars. Finally, there are 4 premium symbols represented by Blue Gems, Green Gems, Red Gems, and Diamonds. In addition to these regular symbols, there are Wild Symbols and Bonus Symbols. The Diamond Premium is the highest paying symbol, offering a payout of 4 times the bet for landing 5 across a pay line. Wilds substitute for all symbols except the Bonus Symbol.

Diamond Miner DuoMax Features & Mechanics

After each win, winning symbols are removed, and an extra Wild is added. New symbols then fill the empty spaces, providing another opportunity to win.

The game features two sets of Multiplier trails. The left value applies to left-to-right wins, while the right value applies to right-to-left wins. For wins in both directions, the left and right Multipliers are added together.

The Big Blast Bonus offers several exciting features:

  • Double Wild: Adds 2 Wilds instead of 1.
  • Multiplier Boost: Adds 10x to both Multipliers.
  • Wild Stack: Adds 3 Wilds to one reel, with 3 more Wilds stacked above for the next dropdown.
  • Extra Life: Removes all symbols in non-winning dropdowns and replaces them with new symbols.
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To trigger the Free Spins feature, players need to land 3 or more scatters during a base game spin. Depending on the number of scatters, players can receive 7, 9, or 11 Free Spins. There’s also the option to gamble for additional spins, with the potential to win up to a maximum of 16 Free Spins. However, if players lose the gamble, they return to the base game empty-handed. During Free Spins, the Multiplier starts at 1x on both sides and remains active for the entire feature. This feature can also be purchased for 100x or 300x (16 Free Spins).


In summary, Diamond Miner Duomax presents players with a classic mining theme infused with high volatility. The core mechanic, Duomax, introduces two Multiplier Trails and a variety of thrilling features. Mechanically, it stands out as an engaging and rewarding game experience. Be sure to try out this game on launch and check out our exclusive casino offers.