Coffee House Mystery

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Rules and Gameplay

Coffee House Mystery is a thrilling online slot developed by Merkur Gaming, set against the backdrop of a mysterious murder in a 1940s coffee shop. The game operates on a 5×3 grid with 20 fixed paylines, allowing players to embark on a detective adventure from the comfort of their homes or on the go, thanks to its mobile optimization. Players are required to match symbols across the paylines to form winning combinations, with a minimum bet of $0.20 and a maximum of $40 per spin. The game’s suspense is heightened with its engaging detective theme, where every spin brings you closer to unraveling the mystery.

Bonus Features

Coffee House Mystery is packed with unique bonus features that enhance the gameplay and increase the chances of big wins. Here’s a list of the key bonus features:

  • Mystery Wilds: Four types of expanding wilds represented by different characters, each with its own pattern of expansion to cover more positions on the reels.
  • Triple Clue Free Games Feature: Activated by landing bonus symbols on specific reels, granting 10 free games with the potential to unlock additional sets of reels for more wins.
  • Gamble Feature: Offers players the chance to double their winnings by guessing the color of the next card. This feature adds an extra layer of excitement to the gameplay.

These features not only add depth to the game’s storyline but also provide players with varied and engaging ways to increase their winnings.


The symbols in Coffee House Mystery draw heavily from the detective theme and the 1940s coffee shop setting. Here’s a breakdown of the symbols:

  • High-Value Symbols: Pocket watches, coffee pots, cupcakes, and napkins, with pocket watches offering the highest payout.
  • Low-Value Symbols: Traditional card symbols (J, Q, K, A), providing smaller wins.
  • Special Symbols: Various character wilds (Detective Dan, Officer John, Miss Lucy, Espresso) and the diamond scatter symbols for triggering free spins.

Each symbol has been designed with great attention to detail, enhancing the overall atmosphere and immersion in the game’s mysterious world.


Coffee House Mystery offers players a chance to win impressive payouts, thanks to its array of symbols and bonus features. Here’s an example of how payouts are structured for some of the key symbols:

Symbol 3 of a Kind 4 of a Kind 5 of a Kind
Pocket Watch $5 $10 $25
Coffee Pot $3 $7.50 $15
Cupcake $2 $5 $10


Coffee House Mystery features 20 fixed paylines, providing players with numerous opportunities to form winning combinations across the reels. The fixed paylines mean that all lines are active during every spin, maximizing the chances of hitting winning combinations. The game’s design and payline structure are optimized to create an engaging experience for both newcomers and seasoned slot players alike.

Pros & Cons

Pros Cons
High RTP of 96.95% May not appeal to players looking for modern themes
Engaging murder mystery theme Limited jackpot potential
Mobile-optimized for play on the go High volatility might deter casual players

Minimum and Maximum Bet

The Coffee House Mystery slot accommodates both low and high rollers with its flexible betting range. Players can place a minimum bet of $0.20 per spin, making it accessible for those on a budget or looking to play conservatively. On the other end, the game allows for a maximum bet of $40 per spin, catering to those who prefer to take bigger risks for potentially larger rewards. This range ensures that Coffee House Mystery can be enjoyed by a wide variety of players, regardless of their gambling preferences or bankroll size.

Game Jackpot

While Coffee House Mystery does not offer a progressive jackpot, it presents players with the opportunity to win substantial payouts through its various features and high-value symbols. The game’s RTP is an impressive 96.95%, and it operates with medium variance. This combination strikes a balance between the frequency and size of wins, offering players a fair chance at significant payouts while ensuring gameplay remains exciting and rewarding over time.

About Provider

Merkur Gaming, the developer behind Coffee House Mystery, is a renowned name in the casino game development industry. Part of the larger Gauselmann Group, Merkur has a strong presence in both land-based and online gaming markets. Known for their innovative designs, engaging themes, and high-quality graphics, Merkur Gaming has successfully created a vast portfolio of games that appeal to a wide range of players. Their commitment to excellence and player satisfaction has made them a trusted and respected provider in the gaming community.

How To Play

  1. Choose Your Bet: Start by selecting your bet size. Use the +/- buttons to adjust the bet amount to your preference, with options ranging from $0.20 to $40 per spin.
  2. Understand the Paytable: Before spinning, familiarize yourself with the game’s paytable. This will help you understand the value of each symbol and what to look out for during gameplay.
  3. Spin the Reels: Once you’re ready, hit the spin button to start the game. Watch as the reels come to a stop and reveal if you’ve landed any winning combinations.
  4. Engage with Bonus Features: Keep an eye out for special symbols and bonus features. Landing specific combinations can trigger the game’s free spins or expand wilds, increasing your chances of a higher payout.
  5. Use the Gamble Feature (Optional): If you’re feeling lucky, you can choose to gamble your winnings in hopes of doubling them. Be cautious, as incorrect guesses will result in losing those winnings.
  6. Manage Your Bankroll: Always monitor your balance and adjust your bets accordingly. Ensure you’re playing responsibly and within your limits.


Coffee House Mystery by Merkur Gaming stands out with its captivating murder mystery theme, set in a nostalgic 1940s coffee shop. Its high RTP and medium variance make for an engaging and potentially rewarding playing experience. The game’s detailed symbols and innovative bonus features, such as Mystery Wilds and free spins, ensure that the gameplay remains thrilling throughout. Whether you’re a fan of detective stories or simply enjoy slots with immersive themes, Coffee House Mystery offers a unique and exciting adventure. With its wide betting range, it’s suitable for all types of players, promising both fun and the chance for big wins.