Mystery Mine

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Rules and Gameplay

Embark on an enthralling journey beneath the earth’s surface with Mystery Mine an inventive slot game from Atomic Slot Lab. This game, set against a backdrop of mining for riches, operates on a 5×3 grid and features 25 distinct paylines for players to explore. Starting bets are as low as $0.25, scaling up to a maximum of $120 per spin, catering to both casual players and high rollers alike. The game strikes a balance between risk and reward with its medium volatility and offers an immersive experience with a mix of standard and special gameplay features aimed at maximizing player engagement.

Bonus Features

Mystery Mine dazzles players with a suite of bonus features that significantly enhance the potential for big wins:

  • Dynamite Reveal Feature: This thrilling feature is activated by Dynamite Scatters, revealing hidden Wilds, Scatters, or Gold Cart symbols, potentially covering reels in Golden Nugget Wilds for respins.
  • Respin Feature: Securing Golden Nugget Wilds across the reels triggers 2 respins, with the potential for more through additional Dynamite Scatters.
  • Gold Cart Instant Wins: Accumulating 3 or more Gold Cart symbols triggers instant wins, with rewards up to 2,000x the bet for collecting 9 or more.
  • Free Spins with Multipliers: Landing three Mystery Mine Scatters unlocks 5 free spins, starting with a 1x multiplier. A spin wheel may award extra spins and increased multipliers.
  • Buy Bonus Option: Players can directly purchase entry into the free spins round for 56x their bet, boosting the game’s RTP to an appealing 95.62% for this mode.


The symbols of Mystery Mine draw deeply from the mining theme, offering players a visually engaging array of icons:

  • Low-value symbols: Comprise card ranks with payouts up to 4x the stake.
  • High-value symbols: Include themed items like lanterns, pickaxes, maps, and gold bits, with miners yielding the highest reward of 10x the stake for a full line.
  • Special symbols contribute to the game’s dynamism and potential for big wins:
    • Golden Nugget Wilds: Substitute for other symbols to form winning combos.
    • Dynamite Scatters: Key to unlocking the Dynamite Reveal feature.
    • Mystery Mine Scatters: Trigger the free spins bonus round.
    • Gold Cart symbols: Lead to instant win opportunities.


Mystery Mine promises lucrative payout opportunities, headlined by a stellar max win of 10,400x the bet. Here’s a snapshot of the payout structure for some key symbols:

Symbol 3 of a Kind 4 of a Kind 5 of a Kind
Miner 1x 5x 10x
Gold Cart 2x 500x 2,000x
Lantern 0.5x 2x 4x


With 25 fixed paylines, Mystery Mine provides players with numerous ways to unearth treasures. Winning combinations are formed by aligning symbols from left to right, starting from the first reel, across any of the paylines. This structured approach allows for straightforward gameplay while maintaining the excitement of potentially striking gold with each spin.

Pros & Cons

Pros Cons
Engaging mining theme with detailed graphics Below-average RTP values for some settings
Multiple bonus features for dynamic gameplay Audiovisuals could be improved
Max win potential of 10,400x the bet High volatility may not suit all players

Minimum and Maximum Bet

The betting range in Mystery Mine caters to a wide array of players, starting from a minimum of $0.25 per spin. This makes the game accessible to those playing on a budget. On the other end of the spectrum, high rollers can increase their stake up to a maximum of $120 per spin, offering the potential for significant wins for those willing to take greater risks.

Game Jackpot

Mystery Mine offers players the chance to win a jackpot of up to 10,400x their bet, making it an attractive option for those seeking big payouts. This potential win, combined with the game’s medium volatility, presents a balance between the frequency and size of payouts. The RTP (Return to Player) varies, with figures ranging from 88.05% to 95.44%, depending on the game’s configuration and bonus features activated. This variability in RTP and the game’s medium volatility level cater to players looking for a mix of regular wins and the thrill of possible large payouts.

About Provider

Atomic Slot Lab, the developer behind Mystery Mine is a relatively new player in the online gaming scene, focusing on creating slots that are both engaging and innovative. Despite having a modest portfolio at the time of “Mystery Mine’s” release, the studio has demonstrated a commitment to quality and player satisfaction. Their dedication to crafting games with unique themes, immersive gameplay, and generous bonus features suggests that Atomic Slot Lab is a developer with a bright future in the online slot market.

How To Play

  • Step 1: Start by setting your bet size. Adjust the betting amount to suit your budget, with options ranging from $0.25 to $120 per spin.
  • Step 2: Familiarize yourself with the game’s paytable. Understanding the value of each symbol and how the bonus features work can help you make informed decisions during gameplay.
  • Step 3: Press the spin button to start the game. Watch as the reels come to a stop, revealing potential winning combinations.
  • Step 4: Keep an eye out for special symbols like Dynamite Scatters and Golden Nugget Wilds, which can trigger the game’s bonus features and significantly increase your chances of winning.
  • Step 5: If you land three or more Mystery Mine Scatters, you’ll enter the free spins round, where you can benefit from multipliers and additional spins to boost your winnings.
  • Step 6: Optionally, take advantage of the Buy Bonus feature if you’re looking to directly access the game’s free spins round, offering a higher RTP for this specific mode of play.


Mystery Mine by Atomic Slot Lab is a thrilling adventure into the depths of a mine filled with riches waiting to be discovered. With its engaging theme, dynamic bonus features, and the chance to win up to 10,400x the bet, it offers a compelling gaming experience. While the game’s RTP and audiovisual presentation could be improved, the overall package provides plenty of excitement and winning potential. Whether you’re a casual player or a high roller, Mystery Mine has something to offer, making it a must-try for fans of online slots.